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Single Bill Generation V2 BX01US04

Single Bill Generation V2 -(BX01US04)

Test Scenario Summary

A. Functional Test Scenarios

  1. Consumer Selection & Search Functionality
  2. Account Information Management & Validation
  3. Meter Reading & Consumption Calculation
  4. Tariff & Rate Application
  5. Payment Integration & Financial Adjustments
  6. Bill Review & Approval Workflow
  7. Multi-utility Billing Process
  8. Notification & Delivery Options

B. Non-Functional Test Scenarios

  1. Performance Testing (Page load <1 sec, API response <1 min)
  2. Cross-browser Compatibility (Chrome Latest)
  3. Responsive Design (Desktop 1920x1080, Tablet 1024x2560)
  4. Data Integrity & Calculation Accuracy
  5. System Reliability & Error Recovery

C. Edge Case & Error Scenarios

  1. Boundary Conditions (Zero consumption, maximum meter readings)
  2. Invalid Input Handling (Negative readings, future dates)
  3. System Failure Recovery (Network timeouts, service unavailability)
  4. Data Inconsistency Handling (Missing readings, corrupted data)



Detailed Test Cases

Test Case 1: Consumer Selection and Search

Test Case ID: BX01US04_TC_001
Title: Verify consumer search functionality with valid account number
Created By: Sarvesh
Created Date: 2025-06-02
Version: 1.0

Classification:

  • Module/Feature: Consumer Selection
  • Test Type: Functional/UI
  • Test Level: System
  • Priority: P1-Critical
  • Execution Phase: Smoke
  • Automation Status: Planned-for-Automation

Enhanced Tags: MOD-ConsumerSelection, P1-Critical, Phase-Smoke, Type-Functional, Platform-Web, Report-QA, Customer-All, Risk-High, Business-Critical, Revenue-Impact-High, Integration-End-to-End

Business Context:

  • Customer_Segment: All
  • Revenue_Impact: High
  • Business_Priority: Must-Have
  • Customer_Journey: Daily-Usage
  • Compliance_Required: No
  • SLA_Related: Yes

Quality Metrics:

  • Risk_Level: High
  • Complexity_Level: Medium
  • Expected_Execution_Time: 3 minutes
  • Reproducibility_Score: High
  • Data_Sensitivity: Medium
  • Failure_Impact: Critical

Requirements Traceability:

Test Environment:

  • Environment: Staging
  • Browser/Version: Chrome Latest
  • Device/OS: Windows 10/11
  • Screen_Resolution: Desktop-1920x1080
  • Dependencies: Consumer Database, Authentication Service
  • Performance_Baseline: <1 second page load
  • Data_Requirements: Active consumer account data

Prerequisites:

  • Setup_Requirements: User logged in with Billing Specialist role
  • User_Roles_Permissions: Billing Specialist access
  • Test_Data: Account ACC10001 (John Smith) exists and is active
  • Prior_Test_Cases: Login successful

Test Procedure:

Step #

Action

Expected Result

Test Data

Comments

1

Navigate to Single Generate Bill function

Generate Bill page loads with 4-step workflow indicator

N/A

Step 1 should be active

2

Set billing period start date

Date picker opens and accepts valid date

May 5, 2025

Use calendar widget

3

Set billing period end date

Date picker accepts end date after start date

May 5, 2025

Validation should work

4

Select bill template from dropdown

Template dropdown shows available options

"Detailed Template"

Required field

5

Enter account number in search field

Search field accepts input

"ACC10001"

Case insensitive

6

Click search or press Enter

Consumer list displays matching results

N/A

Should show John Smith

7

Verify consumer card details

Card shows Name, Account, Premise, Utilities, Outstanding, Last Bill, Status

John Smith data

All fields populated

8

Click on consumer card to select

Card highlights/becomes selected

N/A

Visual selection indicator

9

Click Continue button

Navigate to Account Overview (Step 2)

N/A

Workflow progresses

Verification Points:

  • Primary_Verification: Consumer successfully found and selected
  • Secondary_Verifications: All consumer details display correctly, Continue button enables
  • Negative_Verification: Invalid account numbers show no results



Test Case 2: Account Overview and Financial Controls

Test Case ID: BX01US04_TC_002
Title: Verify account information display and financial toggle controls
Created By: Sarvesh
Created Date: 2025-06-02
Version: 1.0

Classification:

  • Module/Feature: Account Overview
  • Test Type: Functional/UI
  • Test Level: System
  • Priority: P1-Critical
  • Execution Phase: Regression
  • Automation Status: Manual

Enhanced Tags: MOD-AccountOverview, P1-Critical, Phase-Regression, Type-Functional, Platform-Web, Report-QA, Customer-All, Risk-High, Business-Critical, Revenue-Impact-High

Business Context:

  • Customer_Segment: All
  • Revenue_Impact: High
  • Business_Priority: Must-Have
  • Customer_Journey: Daily-Usage
  • Compliance_Required: No
  • SLA_Related: Yes

Quality Metrics:

  • Risk_Level: High
  • Complexity_Level: Medium
  • Expected_Execution_Time: 4 minutes
  • Reproducibility_Score: High
  • Data_Sensitivity: High
  • Failure_Impact: Critical

Requirements Traceability:

Test Environment:

  • Environment: Staging
  • Browser/Version: Chrome Latest
  • Device/OS: Windows 10/11
  • Screen_Resolution: Desktop-1920x1080
  • Dependencies: Consumer Database, Billing Service
  • Performance_Baseline: <1 second load
  • Data_Requirements: John Smith account with outstanding balance

Prerequisites:

  • Setup_Requirements: Consumer ACC10001 selected from previous step
  • User_Roles_Permissions: Billing Specialist access
  • Test_Data: Outstanding Amount: ₹1,050, Late Fee: ₹50, Credit Balance: ₹100
  • Prior_Test_Cases: BX01US04_TC_001 must pass

Test Procedure:

Step #

Action

Expected Result

Test Data

Comments

1

Verify Account Information section display

Shows Consumer Name, Account No, Premise ID, Registered Utilities, Last Billing Date, Days Since Last Bill with status

John Smith, ACC10001, PRE5001, Water/Electric, Dec 1 2024, 155 days (Delayed)

All fields auto-populated

2

Check Outstanding Amount field

Displays current unpaid balance

₹1,050

Read-only, editable if needed

3

Verify Late Fee toggle control

Shows amount with Include/Exclude toggle

₹50 with toggle OFF initially

Toggle should be functional

4

Toggle Late Fee Include switch ON

Switch changes state, fee will be included in bill

Toggle ON

Visual state change

5

Verify Credit Balance display

Shows available credit with Include toggle

₹100 with toggle OFF initially

Credit available to apply

6

Toggle Credit Balance Include switch ON

Switch changes state, credit will be applied

Toggle ON

Visual confirmation

7

Expand Meter Information section

Shows "2 Meters" badge and meter details

Badge shows count

Collapsible section

8

Verify Water Meter details

Shows Meter ID, Type, Last Reading, Last Date, Status, Include toggle

M1001, Standard, 5240, Dec 1 2024, Active

Include toggle ON by default

9

Verify Electric Meter details

Shows meter information in table format

M1002, Smart, 8720, Dec 1 2024, Active

Include toggle ON by default

10

Toggle meter Include switch OFF for Water

Meter excluded from billing

M1001 toggle OFF

Meter will be excluded

11

Click "Confirm & Proceed" button

Navigate to Readings & Payments (Step 3)

N/A

Saves selections and proceeds

Verification Points:

  • Primary_Verification: All account information displays correctly with proper data formatting
  • Secondary_Verifications: Toggle controls work properly, billing period shows 155 days with "Delayed" status
  • Negative_Verification: Cannot proceed without at least one meter selected



Test Case 3: Meter Readings and Consumption Calculation

Test Case ID: BX01US04_TC_003
Title: Verify meter reading entry and automatic consumption calculation
Created By: Sarvesh
Created Date: 2025-06-02
Version: 1.0

Classification:

  • Module/Feature: Meter Readings
  • Test Type: Functional/Business Logic
  • Test Level: System
  • Priority: P1-Critical
  • Execution Phase: Regression
  • Automation Status: Planned-for-Automation

Enhanced Tags: MOD-MeterReadings, P1-Critical, Phase-Regression, Type-Functional, Platform-Web, Report-Engineering, Customer-All, Risk-High, Business-Critical, Revenue-Impact-High, Integration-Calculation-Engine

Business Context:

  • Customer_Segment: All
  • Revenue_Impact: High
  • Business_Priority: Must-Have
  • Customer_Journey: Daily-Usage
  • Compliance_Required: No
  • SLA_Related: Yes

Quality Metrics:

  • Risk_Level: High
  • Complexity_Level: High
  • Expected_Execution_Time: 5 minutes
  • Reproducibility_Score: High
  • Data_Sensitivity: High
  • Failure_Impact: Critical

Requirements Traceability:

Test Environment:

  • Environment: Staging
  • Browser/Version: Chrome Latest
  • Device/OS: Windows 10/11
  • Screen_Resolution: Desktop-1920x1080
  • Dependencies: Meter Reading Service, Calculation Engine
  • Performance_Baseline: <1 second calculation
  • Data_Requirements: Meter M1001 and M1002 with previous readings

Prerequisites:

  • Setup_Requirements: Account overview completed with meters selected
  • User_Roles_Permissions: Billing Specialist access
  • Test_Data: M1001 last reading: 5240, M1002 last reading: 8720
  • Prior_Test_Cases: BX01US04_TC_002 must pass

Test Procedure:

Step #

Action

Expected Result

Test Data

Comments

1

Verify Meter Readings & Consumption table display

Shows all meters with Last Reading, Prev Status, Last Date, Current Reading, Curr Status, Current Date, Consumption columns

M1001 (Water), M1002 (Electric)

Auto-populated from previous step

2

Verify Water meter (M1001) previous data

Shows last reading value and date

5240, Dec 1 2024, Status: Normal

Historical data display

3

Enter current reading for Water meter

Field accepts numeric input, date auto-populates to current

5340 (100 KL increase)

Current date: May 5, 2025

4

Verify consumption auto-calculation for Water

System calculates: Current - Previous = Consumption

100 KL (5340 - 5240)

Automatic calculation

5

Verify Electric meter (M1002) previous data

Shows last reading and date

8720, Dec 1 2024, Status: Normal

Historical data display

6

Enter current reading for Electric meter

Field accepts input, consumption calculates

8920 (200 kWh increase)

200 kWh consumption

7

Verify Payment Summary section display

Shows Last Bill Date, Amount, Payment Date, Amount

Dec 1 2024, ₹520, Jan 10 2025, ₹500

Historical payment data

8

Check Outstanding Amount display

Shows current unpaid balance

₹1,050

Read-only field

9

Verify Late Fee with Waive toggle

Shows fee amount with waive option

₹50, Waive toggle OFF

Manager approval required for waive

10

Toggle Waive Late Fee ON

Fee will be waived from bill

Toggle ON

Visual confirmation

11

Verify Available Credit with Include toggle

Shows credit amount with include option

₹100, Include toggle OFF

Can apply to current bill

12

Toggle Include Credit ON

Credit will be applied to bill

Toggle ON

Will reduce final amount

13

Click "Confirm All Data & Proceed"

Navigate to Review & Generate (Step 4)

N/A

Validates all entries and proceeds

Verification Points:

  • Primary_Verification: Consumption calculations are accurate (Current - Previous Reading)
  • Secondary_Verifications: Date validations work, toggle controls function properly
  • Negative_Verification: Cannot enter readings less than previous readings, future dates rejected



Test Case 4: Bill Review and Final Approval

Test Case ID: BX01US04_TC_004
Title: Verify comprehensive bill review and approval process
Created By: Sarvesh
Created Date: 2025-06-02
Version: 1.0

Classification:

  • Module/Feature: Bill Review & Generate
  • Test Type: Functional/Integration
  • Test Level: System
  • Priority: P1-Critical
  • Execution Phase: Acceptance
  • Automation Status: Manual

Enhanced Tags: MOD-BillGeneration, P1-Critical, Phase-Acceptance, Type-Integration, Platform-Web, Report-Product, Customer-All, Risk-High, Business-Critical, Revenue-Impact-High, Integration-End-to-End

Business Context:

  • Customer_Segment: All
  • Revenue_Impact: High
  • Business_Priority: Must-Have
  • Customer_Journey: Daily-Usage
  • Compliance_Required: No
  • SLA_Related: Yes

Quality Metrics:

  • Risk_Level: High
  • Complexity_Level: High
  • Expected_Execution_Time: 6 minutes
  • Reproducibility_Score: High
  • Data_Sensitivity: High
  • Failure_Impact: Critical

Requirements Traceability:

Test Environment:

  • Environment: Staging
  • Browser/Version: Chrome Latest
  • Device/OS: Windows 10/11
  • Screen_Resolution: Desktop-1920x1080
  • Dependencies: Bill Generation Service, Notification Service, Document Generation
  • Performance_Baseline: <2 seconds for bill generation
  • Data_Requirements: Complete billing data from previous steps

Prerequisites:

  • Setup_Requirements: All previous steps completed with readings entered
  • User_Roles_Permissions: Billing Specialist access with approval rights
  • Test_Data: Consumption: Water 100 KL, Electric 200 kWh
  • Prior_Test_Cases: BX01US04_TC_003 must pass

Test Procedure:

Step #

Action

Expected Result

Test Data

Comments

1

Verify Bill Summary header display

Shows "Review and generate the bill. Please verify all details before approval"

N/A

Step 4 active in workflow

2

Check Consumer Info panel

Displays Name, Account No, Status, Utilities

John Smith, ACC10001, Active, Water/Electric

Data from previous steps

3

Verify Bill Details panel

Shows Bill No, Issue Date, Billing Period, Status

BILL-C10001-250505, May 5 2025, Dec 1 2024 - May 5 2025, Draft

Auto-generated bill number

4

Review Charges Breakdown

Shows Outstanding Balance, Late Fees, Discounts/Subsidies, Service Charges

₹1,050, ₹0 (waived), -₹20, ₹50

Late fee waived in previous step

5

Calculate expected total

Outstanding + Late Fees - Discounts + Service Charges - Credit

₹1,050 + ₹0 - ₹20 + ₹50 - ₹100 = ₹980

Manual verification

6

Verify Amount Due calculation

System displays calculated total amount

₹980

Should match manual calculation

7

Check Notification Options

Shows SMS, Email, App checkboxes with all selected

All three checked

At least one required

8

Verify Meter Readings table

Shows both meters with readings, consumption, and applied rates

Water: 100 KL at ₹3/KL, Electric: 200 kWh at ₹3/kWh

Detailed meter breakdown

9

Click Preview button

Opens bill preview in new window/modal

N/A

Shows formatted bill

10

Verify preview content

Bill contains all correct information and formatting

All previously entered data

Professional bill format

11

Close preview and click Download

Downloads bill as PDF file

N/A

File downloads successfully

12

Click Print button

Opens print dialog

N/A

Print functionality works

13

Click "Approve Bill" button

Bill status changes from Draft to Issued, confirmation message appears

N/A

Final approval action

14

Verify bill approval

Success message displayed, bill cannot be modified

"Bill approved and issued successfully"

Audit trail created

Verification Points:

  • Primary_Verification: Bill total calculation is accurate and bill approval completes successfully
  • Secondary_Verifications: All notification options work, preview/download/print functions properly
  • Negative_Verification: Cannot approve bill without at least one notification method selected



Test Case 5: Tariff Rate Application and Tiered Billing

Test Case ID: BX01US04_TC_005
Title: Verify correct tariff application and tiered consumption billing
Created By: Sarvesh
Created Date: 2025-06-02
Version: 1.0

Classification:

  • Module/Feature: Tariff Application
  • Test Type: Functional/Business Logic
  • Test Level: System
  • Priority: P2-High
  • Execution Phase: Regression
  • Automation Status: Planned-for-Automation

Enhanced Tags: MOD-TariffCalculation, P2-High, Phase-Regression, Type-Business-Logic, Platform-Web, Report-Engineering, Customer-All, Risk-Medium, Business-High, Revenue-Impact-High, Integration-Billing-Engine

Business Context:

  • Customer_Segment: All
  • Revenue_Impact: High
  • Business_Priority: Must-Have
  • Customer_Journey: Daily-Usage
  • Compliance_Required: No
  • SLA_Related: Yes

Quality Metrics:

  • Risk_Level: Medium
  • Complexity_Level: High
  • Expected_Execution_Time: 4 minutes
  • Reproducibility_Score: High
  • Data_Sensitivity: Medium
  • Failure_Impact: High

Requirements Traceability:

Test Environment:

  • Environment: Staging
  • Browser/Version: Chrome Latest
  • Device/OS: Windows 10/11
  • Screen_Resolution: Desktop-1920x1080
  • Dependencies: Tariff Service, Rate Calculation Engine
  • Performance_Baseline: <1 second calculation
  • Data_Requirements: Tiered tariff structure for Water and Electric

Prerequisites:

  • Setup_Requirements: Consumer with high consumption for tier testing
  • User_Roles_Permissions: Billing Specialist access
  • Test_Data: Water consumption: 150 KL, Electric consumption: 250 kWh
  • Prior_Test_Cases: Consumer selected and readings entered

Test Procedure:

Step #

Action

Expected Result

Test Data

Comments

1

Navigate to Account Overview for consumer with high consumption

Shows tariff details for Water and Electric

Consumer with 150 KL water, 250 kWh electric

High consumption for tier testing

2

Expand Plan & Tariff Details section

Shows current tariff structure with rates

Residential Water/Electric Standard plans

Multiple tiers visible

3

Verify Water tariff tiers

Shows Base Rate: ₹100, 0-100 KL: ₹2.5/KL, >100 KL: ₹3.5/KL

Tiered structure

Different rates for tiers

4

Verify Electric tariff tiers

Shows Base Rate: ₹150, 0-100 kWh: ₹5/kWh, >100 kWh: ₹7/kWh

Tiered structure

Higher rate for excess

5

Enter meter readings to generate high consumption

Water: 150 KL total consumption

Previous: 5000, Current: 5150

Crosses tier boundary

6

Enter electric meter reading

Electric: 250 kWh total consumption

Previous: 8500, Current: 8750

Crosses tier boundary

7

Proceed to Review & Generate step

System calculates tiered billing

N/A

Navigate to final step

8

Verify Water charge calculation

Base: ₹100 + (100×₹2.5) + (50×₹3.5) = ₹100 + ₹250 + ₹175 = ₹525

₹525 total for water

Tiered calculation

9

Verify Electric charge calculation

Base: ₹150 + (100×₹5) + (150×₹7) = ₹150 + ₹500 + ₹1,050 = ₹1,700

₹1,700 total for electric

Tiered calculation

10

Check applied rates in meter readings table

Shows different rates applied for each tier

Water: ₹2.5 and ₹3.5, Electric: ₹5 and ₹7

Multiple rates per utility

11

Verify total bill amount includes consumption charges

Total includes base charges + tiered consumption charges + other fees

Base charges + consumption charges + outstanding

Complex calculation verification

Verification Points:

  • Primary_Verification: Tiered tariff calculations are mathematically correct
  • Secondary_Verifications: Base charges and consumption charges calculated separately
  • Negative_Verification: Obsolete tariff rates are not applied to current billing



Test Case 6: Error Handling - Invalid Meter Readings

Test Case ID: BX01US04_TC_006
Title: Verify system handling of invalid meter reading inputs
Created By: Sarvesh
Created Date: 2025-06-02
Version: 1.0

Classification:

  • Module/Feature: Data Validation
  • Test Type: Functional/Error Handling
  • Test Level: System
  • Priority: P2-High
  • Execution Phase: Regression
  • Automation Status: Manual

Enhanced Tags: MOD-DataValidation, P2-High, Phase-Regression, Type-Error-Handling, Platform-Web, Report-QA, Customer-All, Risk-Medium, Business-Medium, Revenue-Impact-Medium, Integration-Validation-Engine

Business Context:

  • Customer_Segment: All
  • Revenue_Impact: Medium
  • Business_Priority: Should-Have
  • Customer_Journey: Daily-Usage
  • Compliance_Required: No
  • SLA_Related: No

Quality Metrics:

  • Risk_Level: Medium
  • Complexity_Level: Medium
  • Expected_Execution_Time: 3 minutes
  • Reproducibility_Score: High
  • Data_Sensitivity: Medium
  • Failure_Impact: Medium

Requirements Traceability:

Test Environment:

  • Environment: Staging
  • Browser/Version: Chrome Latest
  • Device/OS: Windows 10/11
  • Screen_Resolution: Desktop-1920x1080
  • Dependencies: Validation Service
  • Performance_Baseline: <1 second validation
  • Data_Requirements: Meter with previous reading 5240

Prerequisites:

  • Setup_Requirements: Navigate to Readings & Payments step
  • User_Roles_Permissions: Billing Specialist access
  • Test_Data: Previous reading: 5240
  • Prior_Test_Cases: Previous steps completed

Test Procedure:

Step #

Action

Expected Result

Test Data

Comments

1

Enter negative current reading

System rejects input with error message

-100

Invalid: negative reading

2

Verify error message display

Shows "Current reading cannot be negative"

N/A

Clear error message

3

Enter current reading less than previous

System shows validation error

5000 (less than 5240)

Invalid: reading decreased

4

Verify error message for decreased reading

Shows "Current reading must be greater than or equal to previous reading"

N/A

Business rule validation

5

Enter non-numeric characters

System rejects input

"abc123"

Invalid: non-numeric

6

Verify non-numeric error handling

Field only accepts numbers or shows error

N/A

Input validation

7

Enter extremely high reading

System flags for review or warns

999999

Potential error

8

Verify high reading validation

Shows warning "Reading appears unusually high, please verify"

N/A

Anomaly detection

9

Enter valid current reading

System accepts input and calculates consumption

5340

Valid input

10

Verify successful validation

No errors, consumption calculated correctly

100 KL

Validation passes

11

Try to proceed with missing reading

System prevents progression

Leave one reading empty

Required field validation

12

Verify required field error

Shows "All current readings are required"

N/A

Form validation

Verification Points:

  • Primary_Verification: Invalid inputs are properly rejected with clear error messages
  • Secondary_Verifications: Business rule validations work correctly
  • Negative_Verification: Cannot proceed with invalid or missing data



Test Case 7: API Testing - Bill Generation Service

Test Case ID: BX01US04_TC_007
Title: Verify Bill Generation API functionality and response validation
Created By: Sarvesh
Created Date: 2025-06-02
Version: 1.0

Classification:

  • Module/Feature: Bill Generation API
  • Test Type: API/Integration
  • Test Level: Integration
  • Priority: P1-Critical
  • Execution Phase: Regression
  • Automation Status: Automated

Enhanced Tags: MOD-BillGenerationAPI, P1-Critical, Phase-Regression, Type-API, Platform-Web, Report-Engineering, Customer-All, Risk-High, Business-Critical, Revenue-Impact-High, Integration-External-Dependency

Business Context:

  • Customer_Segment: All
  • Revenue_Impact: High
  • Business_Priority: Must-Have
  • Customer_Journey: Daily-Usage
  • Compliance_Required: No
  • SLA_Related: Yes

Quality Metrics:

  • Risk_Level: High
  • Complexity_Level: High
  • Expected_Execution_Time: 2 minutes
  • Reproducibility_Score: High
  • Data_Sensitivity: High
  • Failure_Impact: Critical

Requirements Traceability:

Test Environment:

  • Environment: Staging
  • Browser/Version: API Testing Tool
  • Device/OS: Windows 10/11
  • Screen_Resolution: N/A
  • Dependencies: Bill Generation Microservice, Database
  • Performance_Baseline: <1 minute response time
  • Data_Requirements: Valid consumer and meter data

Prerequisites:

  • Setup_Requirements: API endpoint accessible, valid authentication token
  • User_Roles_Permissions: API access with billing privileges
  • Test_Data: Valid bill generation request payload
  • Prior_Test_Cases: Authentication successful

Test Procedure:

Step #

Action

Expected Result

Test Data

Comments

1

Send POST request to /api/bills/generate

API accepts request

Valid JSON payload

Authentication headers included

2

Verify request payload structure

Contains consumerId, billingPeriod, readings, financialData

{"consumerId": "ACC10001", "billingPeriod": {"start": "2024-12-01", "end": "2025-05-05"}}

Complete request structure

3

Check API response time

Response received within 1 minute

N/A

Performance requirement

4

Verify HTTP status code

Returns 200 OK for successful generation

200

Success status

5

Validate response payload structure

Contains billId, amount, charges breakdown, status

{"billId": "BILL-C10001-250505", "totalAmount": 980, "status": "draft"}

Complete response structure

6

Check calculation accuracy in response

Consumption and charges calculated correctly

Water: 100 KL, Electric: 200 kWh

Business logic validation

7

Verify error handling for invalid consumer

Returns 404 when consumer not found

{"consumerId": "INVALID001"}

Error scenario

8

Check error response format

Returns proper error message and code

{"error": "Consumer not found", "code": "CONSUMER_404"}

Standard error format

9

Test API with missing required fields

Returns 400 Bad Request

Request without billingPeriod

Validation testing

10

Verify audit trail creation

API call logged with user and timestamp

N/A

Compliance requirement

Verification Points:

  • Primary_Verification: API generates bill successfully with correct calculations
  • Secondary_Verifications: Error handling works properly, response time meets SLA
  • Negative_Verification: Invalid requests properly rejected with appropriate error codes



Test Case 8: Performance Testing - Concurrent Bill Generation

Test Case ID: BX01US04_TC_008
Title: Verify system performance with multiple concurrent bill generations
Created By: Sarvesh
Created Date: 2025-06-02
Version: 1.0

Classification:

  • Module/Feature: Performance
  • Test Type: Performance/Load
  • Test Level: System
  • Priority: P2-High
  • Execution Phase: Performance
  • Automation Status: Automated

Enhanced Tags: MOD-Performance, P2-High, Phase-Performance, Type-Load, Platform-Web, Report-Engineering, Customer-Enterprise, Risk-Medium, Business-High, Revenue-Impact-Medium, Integration-End-to-End

Business Context:

  • Customer_Segment: Enterprise
  • Revenue_Impact: Medium
  • Business_Priority: Should-Have
  • Customer_Journey: Daily-Usage
  • Compliance_Required: No
  • SLA_Related: Yes

Quality Metrics:

  • Risk_Level: Medium
  • Complexity_Level: High
  • Expected_Execution_Time: 15 minutes
  • Reproducibility_Score: High
  • Data_Sensitivity: Low
  • Failure_Impact: Medium

Requirements Traceability:

Test Environment:

  • Environment: Performance Testing Environment
  • Browser/Version: Chrome Latest
  • Device/OS: Load Testing Server
  • Screen_Resolution: N/A
  • Dependencies: All billing services, Database
  • Performance_Baseline: <1 second page load, <1 minute API response
  • Data_Requirements: Multiple test consumer accounts

Prerequisites:

  • Setup_Requirements: Load testing tool configured, test data prepared
  • User_Roles_Permissions: Multiple billing specialist accounts
  • Test_Data: 50 test consumer accounts with varying data
  • Prior_Test_Cases: Functional tests passed

Test Procedure:

Step #

Action

Expected Result

Test Data

Comments

1

Configure load test for 10 concurrent users

Load testing tool ready

10 virtual users

Baseline load

2

Execute bill generation workflow simultaneously

All 10 users complete workflow without errors

Various consumer accounts

Monitor system resources

3

Measure page load times during concurrent access

All pages load within 1 second

N/A

Performance requirement

4

Monitor API response times

All API calls respond within 1 minute

N/A

SLA requirement

5

Check database performance

No database locks or timeouts

N/A

Database stability

6

Increase load to 25 concurrent users

System maintains performance standards

25 virtual users

Stress testing

7

Verify bill calculation accuracy under load

All bills calculated correctly

Various consumption patterns

Accuracy under stress

8

Monitor system resource utilization

CPU, Memory, Disk usage within acceptable limits

N/A

Resource monitoring

9

Test peak load with 50 concurrent users

System gracefully handles or queues requests

50 virtual users

Peak load testing

10

Verify error handling under high load

Proper error messages, no system crashes

N/A

Stability testing

Verification Points:

  • Primary_Verification: System maintains performance standards under concurrent load
  • Secondary_Verifications: No data corruption or calculation errors under load
  • Negative_Verification: System doesn't crash or lose data under stress



Test Case 9: Cross-Browser Compatibility Testing

Test Case ID: BX01US04_TC_009
Title: Verify bill generation functionality across different browsers
Created By: Sarvesh
Created Date: 2025-06-02
Version: 1.0

Classification:

  • Module/Feature: Cross-Browser Compatibility
  • Test Type: Compatibility/UI
  • Test Level: System
  • Priority: P3-Medium
  • Execution Phase: Regression
  • Automation Status: Manual

Enhanced Tags: MOD-Compatibility, P3-Medium, Phase-Regression, Type-Compatibility, Platform-Web, Report-QA, Customer-All, Risk-Low, Business-Medium, Revenue-Impact-Low, Integration-Browser-Support

Business Context:

  • Customer_Segment: All
  • Revenue_Impact: Low
  • Business_Priority: Should-Have
  • Customer_Journey: Daily-Usage
  • Compliance_Required: No
  • SLA_Related: No

Quality Metrics:

  • Risk_Level: Low
  • Complexity_Level: Medium
  • Expected_Execution_Time: 8 minutes
  • Reproducibility_Score: High
  • Data_Sensitivity: Low
  • Failure_Impact: Low

Requirements Traceability:

Test Environment:

  • Environment: Staging
  • Browser/Version: Chrome Latest, Firefox Latest, Safari Latest, Edge Latest
  • Device/OS: Windows 10/11, macOS 12+
  • Screen_Resolution: Desktop-1920x1080, Tablet-1024x2560
  • Dependencies: All billing services
  • Performance_Baseline: Similar performance across browsers
  • Data_Requirements: Standard test consumer data

Prerequisites:

  • Setup_Requirements: Multiple browsers installed and configured
  • User_Roles_Permissions: Billing Specialist access
  • Test_Data: John Smith account (ACC10001)
  • Prior_Test_Cases: Functional tests verified in Chrome

Test Procedure:

Step #

Action

Expected Result

Test Data

Comments

1

Open application in Chrome Latest

Application loads properly, all UI elements display

N/A

Baseline browser

2

Execute complete bill generation workflow

All steps work without issues

John Smith data

Full workflow test

3

Open application in Firefox Latest

Same functionality and UI appearance

N/A

Firefox compatibility

4

Test critical path in Firefox

Consumer search, readings entry, bill approval work

Same test data

Core functionality

5

Open application in Safari Latest

UI renders correctly, all features functional

N/A

Safari compatibility

6

Test date pickers and dropdowns in Safari

All form controls work properly

N/A

Safari-specific testing

7

Open application in Edge Latest

Complete functionality available

N/A

Edge compatibility

8

Test bill preview/download in Edge

PDF generation and download work

N/A

Document handling

9

Test responsive design on tablet resolution

UI adapts properly to 1024x2560 resolution

N/A

Responsive testing

10

Verify JavaScript functionality across browsers

All interactive elements work consistently

N/A

JavaScript compatibility

Verification Points:

  • Primary_Verification: Core billing functionality works in all supported browsers
  • Secondary_Verifications: UI consistency and performance parity
  • Negative_Verification: No browser-specific errors or functionality gaps



Test Case 10: Edge Case - Zero Consumption Billing

Test Case ID: BX01US04_TC_010
Title: Verify bill generation for consumers with zero consumption
Created By: Sarvesh
Created Date: 2025-06-02
Version: 1.0

Classification:

  • Module/Feature: Edge Cases
  • Test Type: Functional/Edge Case
  • Test Level: System
  • Priority: P3-Medium
  • Execution Phase: Regression
  • Automation Status: Manual

Enhanced Tags: MOD-EdgeCases, P3-Medium, Phase-Regression, Type-Edge-Case, Platform-Web, Report-QA, Customer-All, Risk-Low, Business-Medium, Revenue-Impact-Low, Integration-Calculation-Engine

Business Context:

  • Customer_Segment: All
  • Revenue_Impact: Low
  • Business_Priority: Should-Have
  • Customer_Journey: Daily-Usage
  • Compliance_Required: No
  • SLA_Related: No

Quality Metrics:

  • Risk_Level: Low
  • Complexity_Level: Medium
  • Expected_Execution_Time: 4 minutes
  • Reproducibility_Score: High
  • Data_Sensitivity: Low
  • Failure_Impact: Low

Requirements Traceability:

Test Environment:

  • Environment: Staging
  • Browser/Version: Chrome Latest
  • Device/OS: Windows 10/11
  • Screen_Resolution: Desktop-1920x1080
  • Dependencies: Billing calculation engine
  • Performance_Baseline: <1 second calculation
  • Data_Requirements: Consumer with identical previous and current readings

Prerequisites:

  • Setup_Requirements: Consumer account with meter readings
  • User_Roles_Permissions: Billing Specialist access
  • Test_Data: Previous reading = Current reading (no consumption)
  • Prior_Test_Cases: Basic bill generation workflow

Test Procedure:

Step #

Action

Expected Result

Test Data

Comments

1

Select consumer for billing

Consumer selected successfully

John Smith (ACC10001)

Standard selection

2

Navigate to Readings & Payments step

Displays meter reading interface

N/A

Standard navigation

3

Enter identical current and previous readings

System accepts identical readings

Previous: 5240, Current: 5240

Zero consumption scenario

4

Verify consumption calculation

Shows 0 KL and 0 kWh consumption

0 KL, 0 kWh

Automatic calculation

5

Proceed to Review & Generate step

Bill generation continues normally

N/A

No blocking errors

6

Verify consumption charges

Shows base rate charges only, no consumption charges

Base rates only

Only fixed charges apply

7

Check Water charges calculation

Shows only base rate: ₹100 (no consumption charge)

₹100

No variable charges

8

Check Electric charges calculation

Shows only base rate: ₹150 (no consumption charge)

₹150

No variable charges

9

Verify total bill amount

Includes only base charges plus outstanding/fees

Base charges + outstanding + fees

Correct total calculation

10

Complete bill approval

Bill generated successfully with zero consumption

N/A

Edge case handled properly

Verification Points:

  • Primary_Verification: Zero consumption bills generate correctly with only base charges
  • Secondary_Verifications: System doesn't flag zero consumption as error
  • Negative_Verification: No division by zero or calculation errors



Test Case 11: Inactive Consumer Handling

Test Case ID: BX01US04_TC_011
Title: Verify system behavior when attempting to bill inactive consumers
Created By: Sarvesh
Created Date: 2025-06-02
Version: 1.0

Classification:

  • Module/Feature: Business Rules
  • Test Type: Functional/Business Logic
  • Test Level: System
  • Priority: P2-High
  • Execution Phase: Regression
  • Automation Status: Manual

Enhanced Tags: MOD-BusinessRules, P2-High, Phase-Regression, Type-Business-Logic, Platform-Web, Report-QA, Customer-All, Risk-Medium, Business-High, Revenue-Impact-Medium, Integration-Account-Management

Business Context:

  • Customer_Segment: All
  • Revenue_Impact: Medium
  • Business_Priority: Must-Have
  • Customer_Journey: Support
  • Compliance_Required: No
  • SLA_Related: No

Quality Metrics:

  • Risk_Level: Medium
  • Complexity_Level: Medium
  • Expected_Execution_Time: 3 minutes
  • Reproducibility_Score: High
  • Data_Sensitivity: Medium
  • Failure_Impact: Medium

Requirements Traceability:

Test Environment:

  • Environment: Staging
  • Browser/Version: Chrome Latest
  • Device/OS: Windows 10/11
  • Screen_Resolution: Desktop-1920x1080
  • Dependencies: Account management service
  • Performance_Baseline: <1 second validation
  • Data_Requirements: Inactive consumer account

Prerequisites:

  • Setup_Requirements: Navigate to Consumer Selection
  • User_Roles_Permissions: Billing Specialist access
  • Test_Data: Sarah Johnson (ACC10004) - Inactive status
  • Prior_Test_Cases: Login successful

Test Procedure:

Step #

Action

Expected Result

Test Data

Comments

1

Search for inactive consumer by account number

Consumer appears in search results

"ACC10004"

Sarah Johnson account

2

Verify consumer status display

Shows "Inactive" status with warning triangle

Inactive status indicator

Visual warning displayed

3

Attempt to select inactive consumer

Consumer card shows inactive status

Sarah Johnson card

Status clearly visible

4

Click on inactive consumer card

System either prevents selection or shows warning

N/A

Business rule enforcement

5

If selection allowed, click Continue

System should block progression with error message

N/A

Cannot bill inactive accounts

6

Verify error message content

Shows "Cannot generate bills for inactive accounts"

N/A

Clear error explanation

7

Verify Continue button state

Button remains disabled or shows error

N/A

UI state reflects business rule

8

Attempt to proceed anyway

System prevents advancing to Account Overview

N/A

Hard business rule enforcement

9

Search for active consumer instead

System allows normal progression

ACC10001 (John Smith)

Contrast with active account

10

Verify active consumer selection works

Can proceed to Account Overview step

N/A

Normal functionality for active accounts

Verification Points:

  • Primary_Verification: System prevents bill generation for inactive consumers
  • Secondary_Verifications: Clear visual indicators and error messages
  • Negative_Verification: No way to bypass inactive account restriction



Test Suite Organization

Smoke Test Suite

Criteria: P1 priority, basic functionality validation
Test Cases: BX01US04_TC_001, BX01US04_TC_002, BX01US04_TC_004
Execution: Every build deployment
Duration: ~15 minutes

Regression Test Suite

Criteria: P1-P2 priority, core features and integration points
Test Cases: BX01US04_TC_001, BX01US04_TC_002, BX01US04_TC_003, BX01US04_TC_004, BX01US04_TC_005, BX01US04_TC_007, BX01US04_TC_011
Execution: Before each release
Duration: ~35 minutes

Full Test Suite

Criteria: All test cases including edge cases and compatibility
Test Cases: All BX01US04_TC_001 through BX01US04_TC_011
Execution: Weekly or major release cycles
Duration: ~60 minutes

Performance Test Suite

Criteria: Performance and load testing
Test Cases: BX01US04_TC_008
Execution: Weekly or before major releases
Duration: ~15 minutes



Cross-Platform Execution Matrix

Test Case ID

Chrome Latest

Firefox Latest

Safari Latest

Edge Latest

Desktop 1920x1080

Tablet 1024x2560

BX01US04_TC_001

✓

-

-

-

✓

✓

BX01US04_TC_002

✓

-

-

-

✓

✓

BX01US04_TC_003

✓

-

-

-

✓

✓

BX01US04_TC_004

✓

-

-

-

✓

✓

BX01US04_TC_005

✓

-

-

-

✓

-

BX01US04_TC_006

✓

-

-

-

✓

-

BX01US04_TC_007

API

API

API

API

API

API

BX01US04_TC_008

Load Test

-

-

-

Load Test

-

BX01US04_TC_009

✓

✓

✓

✓

✓

✓

BX01US04_TC_010

✓

-

-

-

✓

-

BX01US04_TC_011

✓

-

-

-

✓

-



Test Dependencies Map

BX01US04_TC_001 (Consumer Selection)

    ↓

BX01US04_TC_002 (Account Overview)

    ↓

BX01US04_TC_003 (Meter Readings)

    ↓

BX01US04_TC_004 (Bill Review & Approval)

    ↓

BX01US04_TC_005 (Tariff Application) ← Parallel to main flow

BX01US04_TC_006 (Error Handling) ← Can run independently

BX01US04_TC_007 (API Testing) ← Independent

BX01US04_TC_008 (Performance) ← Independent but requires functional tests to pass

BX01US04_TC_009 (Cross-Browser) ← Independent

BX01US04_TC_010 (Edge Cases) ← Can run after TC_003

BX01US04_TC_011 (Inactive Consumer) ← Can run independently




Performance Benchmarks

Operation

Expected Performance

Measurement Method

Page Load Time

<1 second

Browser dev tools

Consumer Search

<1 second

Response time monitoring

Consumption Calculation

<1 second

System performance logs

Bill Generation API

<1 minute

API response time

Bill PDF Generation

<2 seconds

Document generation time

Database Queries

<500ms

Database monitoring



API Test Collection (Critical Operations ≥7 Importance)

API Endpoint: POST /api/bills/generate

Importance Level: 9/10 (Critical for revenue generation)

Test Scenarios:

  1. Successful Bill Generation - Valid consumer data with normal consumption
  2. Error Handling - Invalid consumer ID, missing required fields
  3. Performance Testing - Response time under load
  4. Data Validation - Invalid meter readings, negative consumption
  5. Authentication - Valid/invalid API tokens
  6. Rate Limiting - Multiple requests from same user

API Endpoint: GET /api/consumers/{id}/billing-info

Importance Level: 8/10 (Critical for accurate billing data)

Test Scenarios:

  1. Consumer Data Retrieval - Valid consumer ID returns complete data
  2. Error Handling - Non-existent consumer ID returns 404
  3. Data Completeness - All required billing fields present
  4. Performance - Response time within SLA

API Endpoint: PUT /api/bills/{id}/approve

Importance Level: 9/10 (Critical for bill finalization)

Test Scenarios:

  1. Bill Approval - Valid bill transitions from Draft to Issued
  2. Authorization - Only authorized users can approve bills
  3. State Validation - Cannot approve already approved bills
  4. Audit Trail - Approval logged with user and timestamp



Integration Testing Map

External System Dependencies

  1. Meter Reading Service - Real-time meter data retrieval
  2. Notification Service - SMS, Email, App notifications
  3. Document Generation Service - PDF bill creation
  4. Payment Service - Outstanding balance calculations
  5. Tariff Management Service - Rate structure retrieval

Integration Test Scenarios

  1. Service Unavailability - Graceful degradation when external services fail
  2. Data Synchronization - Consistent data across all integrated systems
  3. Error Propagation - Proper error handling from upstream services
  4. Performance Impact - System performance with all integrations active



Validation Checklist

✅ All acceptance criteria covered - 21 acceptance criteria mapped to test cases
✅ All business rules tested - Reading validation, tariff application, approval workflow
✅ Cross-browser compatibility - Chrome Latest primary, other browsers for compatibility testing
✅ Positive and negative scenarios - Valid flows and error handling covered
✅ Integration points tested - API testing and external service dependencies
✅ Performance benchmarks defined - <1 second load, <1 minute API response
✅ Realistic test data provided - Using sample data from user story
✅ Clear dependency mapping - Sequential and parallel test execution paths
✅ Proper tagging for all 17 reports - Complete tagging for BrowserStack reports
✅ Edge cases covered (80% detail level) - Zero consumption, inactive consumers, invalid inputs
✅ API tests for critical operations (≥7 importance) - Bill generation, approval, consumer data APIs



Test Execution Summary

Total Test Cases: 11
Critical (P1): 4 test cases
High (P2): 4 test cases
Medium (P3): 3 test cases

Estimated Execution Time:

  • Smoke Suite: 15 minutes
  • Regression Suite: 35 minutes
  • Full Suite: 60 minutes
  • Performance Suite: 15 minutes

Automation Coverage: 36% (4 of 11 test cases planned for automation)

Browser Coverage: Chrome Latest (primary), Firefox, Safari, Edge (compatibility)

Integration Coverage: 6 external system integration points tested


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