stevedunn / intellenum

Testing and Debugging

Thorough testing is essential for any software project. The Intellenum project uses a suite of tests to ensure the quality and reliability of the codebase.

Testing

The Intellenum project has a comprehensive test suite that encompasses several types of tests:

  • Consumer Tests: This set of tests focuses on verifying the functionality of the library from the perspective of a consumer. They aim to ensure that the library functions as expected when used in real-world scenarios.

  • Analyzer Tests: This set of tests verifies the behavior of the code analyzers included in the Intellenum project. These analyzers are designed to help developers write better code by identifying potential issues and offering suggestions for improvement.

  • Snapshot Tests: This set of tests utilizes snapshots to verify the output of certain functions or components. Snapshots are essentially stored representations of the expected output. This approach helps ensure that any changes to the codebase do not unexpectedly alter the output.

  • Testbench: This set of tests is designed to perform more comprehensive testing and verification of the entire system.

Debugging

The Intellenum project provides several tools and features to aid in debugging. Here are some key aspects of debugging:

  • Visual Studio Debugging: The project leverages the powerful debugging capabilities of Visual Studio. Developers can set breakpoints, step through code, inspect variables, and utilize other features provided by the IDE to identify and resolve issues.

  • Logging: The project utilizes logging to capture critical information and events. This information can be invaluable in pinpointing the root cause of problems, especially when debugging complex issues.

  • Unit Tests: Unit tests play a crucial role in debugging by isolating specific units of code and verifying their behavior in a controlled environment.

Test Execution

The test suite can be executed in various ways depending on the needs and preferences of the developer:

  • Unit Testing Framework: The Intellenum project leverages a unit testing framework (such as xUnit or MSTest) to execute and manage unit tests.

  • Visual Studio Test Explorer: The Test Explorer within Visual Studio provides a user-friendly interface to run tests, view results, and analyze coverage.

  • Command-Line Tools: Developers can also run the tests from the command line using tools such as dotnet test. This allows for automated testing and integration with CI/CD pipelines.

Test Coverage

The project aims for high test coverage, which means ensuring that a significant portion of the codebase is covered by tests. Test coverage helps to increase confidence in the stability and reliability of the project. Tools like Coverlet and Codecov can be used to measure and report test coverage.

Example Scenarios

Here are some examples of how to use the testing and debugging tools in the Intellenum project:

  • Consumer Test Example: To verify that the ValueObject’s equality implementation works correctly, a consumer test would be created. This test could involve creating two instances of the ValueObject with the same data and then asserting that they are considered equal using the Equals method.

  • Analyzer Test Example: To test a code analyzer that detects unused variables, an analyzer test could be created. This test would involve providing a code snippet containing an unused variable and asserting that the analyzer flags it as a warning.

  • Snapshot Test Example: To ensure the output of a function that generates a specific format of text is consistent, a snapshot test could be employed. The test would capture the expected output and store it as a snapshot. Subsequent test runs would compare the generated output against the snapshot and flag any discrepancies.

  • Visual Studio Debugging Example: While debugging, a developer could set a breakpoint within a critical function to pause the program execution. This allows for inspecting the values of variables, stepping through code line by line, and understanding the flow of execution to isolate and fix bugs.

  • Logging Example: By configuring logging, developers can capture specific events and messages during the execution of the application. This allows for analyzing the program’s behavior, tracking errors, and understanding the sequence of events that led to a problem.

By leveraging the various tools and methodologies outlined above, developers can effectively test and debug the Intellenum project, contributing to the creation of high-quality and reliable software.

Top-Level Directory Explanations

samples/ - This directory contains example projects demonstrating the usage of Intellenum.

samples/Intellenum.Examples/ - Contains various example projects demonstrating different aspects of Intellenum, such as serialization, conversion, syntax examples, types, typical scenarios, and more.

samples/WebApplication/ - Contains a sample web application that uses Intellenum.

src/ - This directory contains the source code of the Intellenum library.

src/Benchmarks/ - Contains benchmark tests for the Intellenum library.

src/Intellenum.CodeFixers/ - Contains code fixers for the Intellenum library.

src/Intellenum.SharedTypes/ - Contains shared types used across the Intellenum library.

src/Intellenum/ - Contains the main source code for the Intellenum library. This directory is further divided into subdirectories for diagnostics, extensions, generators, member building, properties, rules, static constructor building, templates, and more.

tests/ - This directory contains test projects for the Intellenum library.

tests/AnalyzerTests/ - Contains unit tests for the Intellenum analyzer.

tests/ConsumerTests/ - Contains tests for consuming the Intellenum library.

tests/Intellenum.Tests/ - Contains additional tests for the Intellenum library.

tests/Shared/ - Contains shared test files.

tests/SnapshotTests/ - Contains snapshot tests for the Intellenum library.

tests/Testbench/ - Contains a test bench for the Intellenum library.