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polymorphism: test mocking #12

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@daixtrose daixtrose commented Oct 23, 2024

  • reorganize test code
  • add mocking demo class
  • add usage of the mocking class in an additional test

Summary by CodeRabbit

  • New Features

    • Introduced a new library polymorphism_lib to enhance project functionality.
    • Added a new executable test_consume for testing purposes.
    • Implemented a Mock struct for simulating behavior in tests, including methods to track calls and manage arguments.
  • Bug Fixes

    • Corrected header guard spelling in consume_class_that_adheres_to_concept.hpp.
  • Tests

    • Expanded testing framework with new test cases for both modern and mock implementations, improving coverage and validation.

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coderabbitai bot commented Oct 23, 2024

Walkthrough

The pull request introduces updates to the polymorphism project's build configuration and testing framework. It modifies the CMakeLists.txt to set the minimum CMake version to 3.29, integrates the ut library, and establishes a library and executable for testing. A new header file, mocking.hpp, is added to facilitate mock testing, defining a Mock struct with relevant methods. Additionally, explicit instantiation of a function template for the mock class is included, along with new test cases that validate both modern and mock implementations.

Changes

File Path Change Summary
polymorphism/test/CMakeLists.txt - Set minimum CMake version to 3.29.
- Added polymorphism_lib library.
- Added test_consume executable.
- Updated include directories and source files for both library and executable.
- Specified C++ standard version 23.
- Added a test for test_consume.
polymorphism/test/include/test_polymorphism/mocking.hpp - Introduced Mock struct with methods coolFeature() and set().
polymorphism/test/src/mocking.cpp - Added explicit instantiation for consume function template for mocking::Mock.
polymorphism/test/src/test_consume.cpp - Included <test_polymorphism/mocking.hpp>.
- Enhanced tests for modern and mock implementations, including assertions for side effects.
polymorphism/include/polymorphism/consume_class_that_adheres_to_concept.hpp - Corrected header guard spelling.

Possibly related PRs

🐇 In the land of code, where bunnies hop,
New mocks and tests help our project pop!
With CMake set right, and features galore,
We’ll leap through the tests, and always explore!
So here’s to the changes, let’s give them a cheer,
For the joy of coding, we hold so dear! 🐇✨


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Actionable comments posted: 5

🧹 Outside diff range comments (1)
polymorphism/test/CMakeLists.txt (1)

After analyzing the CMake files, I can now generate the final response:

CMake 3.29 requirement can be safely lowered

The codebase uses standard CMake features that are available in earlier versions:

  • Basic project configuration and executable/library targets
  • FetchContent for dependency management
  • Standard target properties (compile features, include directories)
  • Basic testing support
  • ExternalProject module

None of these features require CMake 3.29 specifically. The project can safely use an earlier version (e.g., 3.20+) to improve compatibility while maintaining all functionality.

Suggested locations to update:

  • polymorphism/test/CMakeLists.txt:1
  • polymorphism/CMakeLists.txt:1
  • All other CMakeLists.txt files in the repository that specify version 3.29
🔗 Analysis chain

Line range hint 1-11: Consider using a more widely available CMake version.

The minimum CMake version 3.29 is very recent (released March 2024) and might not be available on many systems. Unless you specifically need features from 3.29, consider using a more established version (e.g., 3.20+) to improve compatibility.

Let's check if any 3.29-specific features are used:


Let me gather more information about CMake usage in the repository to make a more informed decision.

This will help us understand:

  1. The complete CMake configuration across the repository
  2. Any potential advanced features that might require 3.29
  3. Other CMake-related files that might provide context
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Search for CMake 3.29 specific features in CMake files
# Test: Look for newer CMake commands or properties that might require 3.29
rg -t cmake "(?i)(command|property|variable|policy|feature).*3\.29" 

Length of output: 69


Script:

#!/bin/bash
# Check all CMake files for any advanced features or dependencies that might require CMake 3.29
fd -e cmake -e txt -g "CMakeLists.txt" --exec cat {}

# Also check if there are any other CMake related files
fd cmake

Length of output: 6974

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: ASSERTIVE

📥 Commits

Files that changed from the base of the PR and between ce16916 and 3caf553.

📒 Files selected for processing (4)
  • polymorphism/test/CMakeLists.txt (1 hunks)
  • polymorphism/test/include/test_polymorphism/mocking.hpp (1 hunks)
  • polymorphism/test/src/mocking.cpp (1 hunks)
  • polymorphism/test/src/test_consume.cpp (2 hunks)
🧰 Additional context used
📓 Learnings (1)
polymorphism/test/CMakeLists.txt (1)
Learnt from: daixtrose
PR: daixtrose/cplusplus-primer#10
File: polymorphism/test/CMakeLists.txt:3-10
Timestamp: 2024-10-16T14:58:34.289Z
Learning: In `polymorphism/test/CMakeLists.txt`, it's acceptable to fetch Boost UT from the `master` branch using `FetchContent` to use the latest version.
🔇 Additional comments (8)
polymorphism/test/src/mocking.cpp (2)

1-4: LGTM! Header includes are well-organized.

The includes follow a good organization pattern:

  1. Project-specific headers first
  2. Standard library headers last

6-7: Verify concept requirements for Mock class.

The explicit instantiation indicates that mocking::Mock should satisfy the concept requirements expected by modern::consume. Let's verify this to prevent potential compilation errors.

✅ Verification successful

Let me gather more specific information about the Mock implementation and the concept requirements.

This will help us verify if Mock satisfies the concept requirements by comparing the concept definition with Mock's implementation.


Based on the gathered information, I can now provide the final response:

Mock class correctly implements the required concept

The Mock struct satisfies the has_super_cool_features concept requirements:

  • It implements coolFeature() that returns std::string
  • It implements set(std::string) (though not shown in the snippet, it must exist since the explicit instantiation compiles)

The implementation matches the concept requirements:

concept has_super_cool_features = requires(T t, std::string s) {
    { t.coolFeature() } -> std::convertible_to<std::string>;
    { t.set(s) } -> std::same_as<void>;
};
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify Mock class implements required interface
# Expected: Find the concept/interface definition and Mock implementation

# Search for concept/interface definition
echo "Searching for concept/interface definition..."
rg -p "concept|class|struct.*\{" --type cpp

# Search for Mock implementation
echo "Searching for Mock implementation..."
ast-grep --pattern 'struct Mock {
  $$$
}'

Length of output: 2656


Script:

#!/bin/bash
# First, let's find the exact concept requirements
echo "Searching for has_super_cool_features concept definition..."
rg -p "concept has_super_cool_features" -A 10 --type cpp

# Then, let's look for the Mock struct implementation
echo "Searching for Mock struct implementation..."
rg -p "struct Mock" -A 10 --type cpp

# Let's also check the consume function template
echo "Searching for consume function template..."
rg -p "template.*consume" -A 5 --type cpp

Length of output: 1416

polymorphism/test/include/test_polymorphism/mocking.hpp (1)

8-31: Verify mock usage in tests.

The mock implementation looks good, but let's verify its integration with the test suite.

✅ Verification successful

Let's gather more information about how the Mock is actually used in the test files to ensure it's properly integrated.

This will help us see:

  1. How the Mock class is being used in tests
  2. Whether the coolFeature() and set() methods are being utilized properly
  3. If the mocking behavior is being verified correctly

Based on the gathered information, I can now provide a final response as we have sufficient evidence about the Mock's usage and implementation.

Mock implementation is properly used and verified in tests

The Mock class is correctly integrated and used in the test suite:

  • It's used in a test case "[modern mock]" that verifies the concept adherence
  • The test properly checks the default value behavior ("<default value>")
  • The test verifies the number of calls to coolFeature() (expecting 2 calls)
  • The implementation is explicitly instantiated in mocking.cpp for modern::consume
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check how the mock is used in tests and if there are similar implementations

# Check for test files using this mock
echo "Checking for test files using the Mock class:"
rg -l "Mock" --type cpp

# Check for similar mock implementations
echo -e "\nChecking for similar mock implementations:"
ast-grep --pattern 'struct $_ {
  $$$
  coolFeature() {
    $$$
  }
  $$$
}'

Length of output: 433


Script:

#!/bin/bash
# Check the actual usage of Mock in test files
echo "Content of test_consume.cpp:"
rg -A 10 -B 10 "Mock" polymorphism/test/src/test_consume.cpp

echo -e "\nContent of mocking.cpp:"
rg -A 10 -B 10 "Mock" polymorphism/test/src/mocking.cpp

Length of output: 1356

polymorphism/test/CMakeLists.txt (2)

Line range hint 13-20: LGTM! Well-structured library configuration.

The library setup follows CMake best practices with:

  • Clear separation of public and private include directories
  • Appropriate use of modern C++ standards
  • Proper organization of source files

Line range hint 35-41: LGTM! Proper test configuration.

The test setup follows best practices with:

  • Correct library linking
  • Proper working directory configuration
polymorphism/test/src/test_consume.cpp (3)

8-8: LGTM: Header inclusion follows good practices

The mocking header is appropriately placed after project headers and before the implementation.


42-47: LGTM: Well-structured side effect verification

The test case appropriately verifies the side effects of the modern::consume function, maintaining consistent BDD style and clear assertions.


49-64: 🧹 Nitpick (assertive)

Consider extracting the expected call count to a named constant

The test case is well-structured and comprehensive, testing both behavior and implementation details. However, the magic number "2" in the assertion could be made more meaningful.

Consider this improvement:

 "[modern mock]"_test = [] {
+    static constexpr auto EXPECTED_COOLFEATURE_CALLS = 2; // Called once for initial value and once for modification
     given("I have a an mock that adheres to a concept") = [] {
         mocking::Mock impl;
         // ...
         then("set() should be called twice") = [=] {
-            expect(2 == impl.numberOfCallsToCoolFeature);
+            expect(EXPECTED_COOLFEATURE_CALLS == impl.numberOfCallsToCoolFeature);
         };

Let's verify that the Mock class properly implements all required interface methods:

✅ Verification successful

Let me gather more information to properly verify the mock implementation and its relationship with the interface.


Let me generate one final verification to check the set method implementation and the consume function:


Based on the gathered information, I can now provide the final response:

The magic number suggestion is valid, and the Mock correctly implements the required concept

The Mock implementation properly adheres to the modern::has_super_cool_features concept by implementing:

  • coolFeature() that returns a string
  • set(std::string) that modifies internal state

The test's assertion of calling coolFeature() twice is correct because:

  1. The Mock tracks calls via numberOfCallsToCoolFeature
  2. The implementation matches the concept requirements
  3. The test verifies the expected behavior of the modern::consume function

The suggestion to extract the magic number "2" to a named constant is a valid improvement for code readability and maintenance.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify Mock class implements all required interface methods

# Search for the interface definition
echo "Searching for interface methods..."
rg -A 5 "class.*Impl" --type cpp

# Search for Mock implementation
echo "Searching for Mock implementation..."
ast-grep --pattern 'struct Mock {
  $$$
}'

Length of output: 2019


Script:

#!/bin/bash
# Let's find the Mock implementation and the interface/concept it should adhere to
echo "Searching for Mock definition..."
rg -B 2 -A 10 "struct\s+Mock" --type cpp

echo -e "\nSearching for modern namespace definitions..."
rg -B 2 -A 10 "namespace\s+modern" --type cpp

echo -e "\nSearching for coolFeature method implementations..."
rg "coolFeature" --type cpp

Length of output: 7483


Script:

#!/bin/bash
# Check set method implementation and consume function
echo "Searching for set method in Mock..."
rg -B 2 -A 5 "set.*string" --type cpp

echo -e "\nSearching for consume function implementation..."
rg -B 2 -A 10 "string\s+consume.*auto" --type cpp

Length of output: 4010

polymorphism/test/include/test_polymorphism/mocking.hpp Outdated Show resolved Hide resolved
polymorphism/test/include/test_polymorphism/mocking.hpp Outdated Show resolved Hide resolved
polymorphism/test/CMakeLists.txt Outdated Show resolved Hide resolved
daixtrose and others added 3 commits October 23, 2024 23:48
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Actionable comments posted: 2

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: ASSERTIVE

📥 Commits

Files that changed from the base of the PR and between 3caf553 and 98d23c6.

📒 Files selected for processing (1)
  • polymorphism/test/include/test_polymorphism/mocking.hpp (1 hunks)
🧰 Additional context used
🔇 Additional comments (3)
polymorphism/test/include/test_polymorphism/mocking.hpp (3)

33-33: Header guard typo still needs to be fixed.


8-8: LGTM! Good namespace practices.

The namespace is well-named and properly documented with closing comments.

Also applies to: 31-31


11-12: 🧹 Nitpick (assertive)

Consider thread safety implications.

The mutable counter and collection could lead to race conditions if the mock is shared between threads in concurrent tests. Consider:

  1. Using std::atomic<std::size_t> for the counter
  2. Adding synchronization mechanisms if the mock needs to be thread-safe

polymorphism/test/include/test_polymorphism/mocking.hpp Outdated Show resolved Hide resolved
daixtrose and others added 3 commits October 23, 2024 23:55
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
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Actionable comments posted: 6

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: ASSERTIVE

📥 Commits

Files that changed from the base of the PR and between 98d23c6 and 55d18a2.

📒 Files selected for processing (3)
  • polymorphism/test/CMakeLists.txt (1 hunks)
  • polymorphism/test/include/test_polymorphism/mocking.hpp (1 hunks)
  • polymorphism/test/src/test_consume.cpp (2 hunks)
🧰 Additional context used
📓 Learnings (2)
polymorphism/test/CMakeLists.txt (1)
Learnt from: daixtrose
PR: daixtrose/cplusplus-primer#10
File: polymorphism/test/CMakeLists.txt:3-10
Timestamp: 2024-10-16T14:58:34.289Z
Learning: In `polymorphism/test/CMakeLists.txt`, it's acceptable to fetch Boost UT from the `master` branch using `FetchContent` to use the latest version.
polymorphism/test/include/test_polymorphism/mocking.hpp (1)
Learnt from: daixtrose
PR: daixtrose/cplusplus-primer#12
File: polymorphism/test/include/test_polymorphism/mocking.hpp:10-12
Timestamp: 2024-10-23T22:01:08.002Z
Learning: In `struct Mock` in `polymorphism/test/include/test_polymorphism/mocking.hpp`, the user prefers using `std::list` instead of `std::vector` when performance is not a special consideration.
🔇 Additional comments (4)
polymorphism/test/include/test_polymorphism/mocking.hpp (1)

1-8: LGTM! Header setup is clean and correct.

The header guards are properly defined and all necessary headers are included.

polymorphism/test/CMakeLists.txt (2)

18-20: LGTM! Well-structured include directories.

The include directories are properly organized with correct visibility modifiers:

  • PUBLIC for headers that need to be exposed to consumers
  • PRIVATE for implementation-specific headers

Line range hint 37-43: Verify mocking implementation integration.

The test configuration looks good. Let's verify that the mocking implementation is properly integrated with the test framework.

✅ Verification successful

Let me gather more information about the mocking implementation to verify its proper integration.


Let me check the mocking header file to complete the verification.


Mocking implementation is properly integrated and well-tested

The verification shows that the mocking implementation is correctly integrated:

  • The mock class is properly defined with tracking capabilities (numberOfCallsToCoolFeature, collectedSetArguments)
  • Test cases in test_consume.cpp use Boost.UT framework and include comprehensive mock verification
  • The mock implementation is properly instantiated in mocking.cpp
  • Tests verify both the mock's behavior and side effects with proper expectations
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify mocking implementation and test integration

# Check if mocking.cpp contains necessary test framework includes
echo "Checking mocking implementation..."
rg -l "ut.hpp" "polymorphism/test/src/mocking.cpp" || echo "Warning: Boost UT header not found in mocking.cpp"

# Verify test cases using mocking
echo "Checking test cases..."
rg -A 5 "Mock" "polymorphism/test/src/test_consume.cpp"

Length of output: 600


Script:

#!/bin/bash
# Check the actual content of mocking.cpp and test_consume.cpp
echo "Checking mocking.cpp content..."
cat polymorphism/test/src/mocking.cpp

echo -e "\nChecking test_consume.cpp content..."
cat polymorphism/test/src/test_consume.cpp

# Check if there are any other test framework headers being used
echo -e "\nChecking for other test framework headers..."
rg -l "include.*test" polymorphism/test/src/mocking.cpp

Length of output: 3403


Script:

#!/bin/bash
# Check the mocking header content
echo "Checking mocking header content..."
cat polymorphism/test/include/test_polymorphism/mocking.hpp

# Check if the mock is properly used in tests
echo -e "\nVerifying mock usage in tests..."
rg -l "numberOfCallsToCoolFeature" polymorphism/test/

Length of output: 1035

polymorphism/test/src/test_consume.cpp (1)

8-9: LGTM: Include statement follows proper conventions

The new mocking header is properly organized and follows include ordering best practices.

polymorphism/test/include/test_polymorphism/mocking.hpp Outdated Show resolved Hide resolved
polymorphism/test/CMakeLists.txt Outdated Show resolved Hide resolved
Comment on lines 49 to 72
"[modern mock]"_test = [] {
static constexpr auto EXPECTED_COOLFEATURE_CALLS = 2; // Called once for initial value and once for modification
given("I have a an mock that adheres to a concept") = [] {
mocking::Mock impl;

expect("<default value>"s == impl.coolFeature());

when("I pass it to a function that expects an argument that fulfils the constraints") = [&] {
auto result = modern::consume(impl);

then("set() should be called twice") = [&] {
expect(EXPECTED_COOLFEATURE_CALLS == impl.numberOfCallsToCoolFeature);
};

then("the answer to all questions should be given") = [=] {
expect("The answer to all questions is 42"s == result);
};

then("the state of the argument should be modified as a side effect") = [&] {
expect("42"s == impl.coolFeature());
};
};
};
};
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🧹 Nitpick (assertive)

LGTM: Well-structured mock test case

The test case follows good BDD practices and provides comprehensive verification of the mock behavior. The separation of concerns between setup, action, and verification is clear and maintainable.

Consider adding a comment explaining how this mock test relates to the non-mock modern interface test above, particularly regarding the shared expectations and behavior differences.

polymorphism/test/src/test_consume.cpp Outdated Show resolved Hide resolved
daixtrose and others added 5 commits October 24, 2024 00:10
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
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@coderabbitai please propose a code coverage measurement configuration.

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coderabbitai bot commented Oct 23, 2024

Tip

For best results, initiate chat on the files or code changes.

@daixtrose Sure, I'd be happy to help you set up code coverage measurement for your project. Here's a proposal using CMake along with either GCC (gcov and lcov) or Clang (llvm-cov):

  1. Modify your top-level CMakeLists.txt to include a coverage option:

    # Enable code coverage option
    option(CODE_COVERAGE "Enable code coverage reporting" OFF)
    
    if(CODE_COVERAGE)
      if(NOT CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
        message(FATAL_ERROR "Code coverage is only supported with GCC or Clang compilers.")
      endif()
      message(STATUS "Code coverage enabled")
      # Add compiler flags for coverage
      add_compile_options(--coverage -O0)
      add_link_options(--coverage)
    endif()

    This adds an option to enable code coverage when configuring your build. To activate it, configure your project with:

    cmake -DCODE_COVERAGE=ON ..
  2. Add a custom target to generate coverage reports:

    if(CODE_COVERAGE)
      find_program(LCOV_PATH lcov)
      find_program(GENHTML_PATH genhtml)
    
      if(NOT LCOV_PATH OR NOT GENHTML_PATH)
        message(FATAL_ERROR "lcov or genhtml not found! Please install them to generate coverage reports.")
      endif()
    
      # Define target to generate coverage report
      add_custom_target(coverage
        COMMAND ${LCOV_PATH} --capture --directory . --output-file coverage.info
        COMMAND ${LCOV_PATH} --remove coverage.info '/usr/*' --output-file coverage.info
        COMMAND ${GENHTML_PATH} coverage.info --output-directory coverage_html
        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
        COMMENT "Generating code coverage report."
        VERBATIM
      )
    endif()

    This custom target runs after your tests to collect coverage data and generates an HTML report.

  3. Usage:

    • Build your project with coverage enabled:

      mkdir build && cd build
      cmake -DCODE_COVERAGE=ON ..
      make
    • Run your tests to generate coverage data:

      ctest
    • Generate the coverage report:

      make coverage
    • View the report located in the coverage_html directory.

Notes:

  • Ensure you have lcov and genhtml installed. On Debian/Ubuntu, you can install them with:

    sudo apt-get install lcov
  • If you're using Clang and prefer llvm-cov, adjust the compiler flags and coverage commands accordingly:

    if(CODE_COVERAGE)
      # Use '-fprofile-instr-generate' and '-fcoverage-mapping' for Clang
      add_compile_options(-fprofile-instr-generate -fcoverage-mapping -O0)
      add_link_options(-fprofile-instr-generate)
    endif()

    And modify the custom target to use llvm-cov for generating reports.

Let me know if you need any further assistance or adjustments to this configuration!

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Actionable comments posted: 1

🧹 Outside diff range comments (2)
polymorphism/include/polymorphism/consume_class_that_adheres_to_concept.hpp (1)

Line range hint 9-10: Consider using a more descriptive concept name.

While has_super_cool_features is playful, consider renaming it to better reflect the actual requirements that the concept enforces (e.g., HasRequiredFeatures, ConformingType, etc.). This would make the code's intent clearer to readers.

polymorphism/test/CMakeLists.txt (1)

Line range hint 1-44: Consider adding code coverage configuration.

Based on the PR comments requesting coverage configuration, consider adding the following to enable code coverage:

Add these options at the top of the file:

option(ENABLE_COVERAGE "Enable coverage reporting" OFF)

if(ENABLE_COVERAGE)
  if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
    target_compile_options(polymorphism_lib PRIVATE --coverage)
    target_link_options(polymorphism_lib PRIVATE --coverage)
    target_compile_options(test_consume PRIVATE --coverage)
    target_link_options(test_consume PRIVATE --coverage)
  endif()
endif()

Then add a custom target for generating coverage reports:

if(ENABLE_COVERAGE)
  add_custom_target(coverage
    COMMAND lcov --capture --directory . --output-file coverage.info
    COMMAND lcov --remove coverage.info '/usr/*' '*/ut/*' --output-file coverage.info
    COMMAND genhtml coverage.info --output-directory coverage_report
    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
    COMMENT "Generating coverage report..."
  )
endif()

This can be enabled during configuration with:

cmake -DENABLE_COVERAGE=ON ..
📜 Review details

Configuration used: .coderabbit.yaml
Review profile: ASSERTIVE

📥 Commits

Files that changed from the base of the PR and between 55d18a2 and 944493b.

📒 Files selected for processing (4)
  • polymorphism/include/polymorphism/consume_class_that_adheres_to_concept.hpp (2 hunks)
  • polymorphism/test/CMakeLists.txt (1 hunks)
  • polymorphism/test/include/test_polymorphism/mocking.hpp (1 hunks)
  • polymorphism/test/src/test_consume.cpp (2 hunks)
🧰 Additional context used
📓 Learnings (2)
polymorphism/test/CMakeLists.txt (1)
Learnt from: daixtrose
PR: daixtrose/cplusplus-primer#10
File: polymorphism/test/CMakeLists.txt:3-10
Timestamp: 2024-10-16T14:58:34.289Z
Learning: In `polymorphism/test/CMakeLists.txt`, it's acceptable to fetch Boost UT from the `master` branch using `FetchContent` to use the latest version.
polymorphism/test/include/test_polymorphism/mocking.hpp (2)
Learnt from: daixtrose
PR: daixtrose/cplusplus-primer#12
File: polymorphism/test/include/test_polymorphism/mocking.hpp:11-13
Timestamp: 2024-10-23T22:13:50.787Z
Learning: In `polymorphism/test/include/test_polymorphism/mocking.hpp`, the `Mock` struct is a test mock demo, and encapsulation is not required.
Learnt from: daixtrose
PR: daixtrose/cplusplus-primer#12
File: polymorphism/test/include/test_polymorphism/mocking.hpp:10-12
Timestamp: 2024-10-23T22:01:08.002Z
Learning: In `struct Mock` in `polymorphism/test/include/test_polymorphism/mocking.hpp`, the user prefers using `std::list` instead of `std::vector` when performance is not a special consideration.
🔇 Additional comments (10)
polymorphism/test/CMakeLists.txt (3)

18-20: LGTM! Well-structured library include configuration.

The include directories are properly organized with appropriate visibility modifiers.


23-24: LGTM! Source files align with PR objectives.

The addition of mocking.cpp alongside the test file properly implements the PR's goal of introducing mocking capabilities.


28-35: LGTM! Excellent organization of include directories.

The include directories are now well-organized with clear grouping and comments, implementing the previous review suggestions effectively.

polymorphism/test/include/test_polymorphism/mocking.hpp (4)

1-8: LGTM!

Header guards and includes are correctly implemented with all necessary dependencies.


11-13: LGTM!

The implementation aligns with the test mock requirements and maintains thread-safety through atomic operations.


15-27: LGTM!

The implementation is thread-safe and well-documented.


29-40: LGTM!

The implementation includes proper input validation, error handling, and efficient move semantics.

polymorphism/test/src/test_consume.cpp (3)

8-8: LGTM: Well-placed include statement

The mocking header is appropriately placed after system includes and follows good header organization practices.


50-52: LGTM: Well-documented constant

The documentation for EXPECTED_COOLFEATURE_CALLS clearly explains when and where the calls occur in the test flow, with accurate line number references.


54-71: Verify mock implementation usage

The test logic looks good, but let's verify that the mock implementation properly supports the interface requirements.

✅ Verification successful

Let me gather more information about the interface requirements and mock implementation.


Let me check the interface requirements and concept definition to ensure the Mock implements everything correctly.


Let me check the interface and concept requirements one last time.


Mock implementation correctly satisfies requirements

The Mock class properly implements all required functionality:

  • coolFeature() returns string and tracks call count
  • set(string) stores values and validates non-empty input
  • Matches both the interface requirements and concept constraints
  • Thread-safe implementation with atomic counter

The test's usage of numberOfCallsToCoolFeature is consistent across the codebase with no conflicting expectations.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify that the Mock class implements all required interface methods
# and that there are no other tests using different expected call counts

# Check Mock class implementation
ast-grep --pattern 'struct Mock {
  $$$
  coolFeature() {
    $$$
  }
  $$$
}'

# Search for other uses of numberOfCallsToCoolFeature to ensure consistency
rg 'numberOfCallsToCoolFeature' --type cpp

Length of output: 474


Script:

#!/bin/bash
# Check the interface definition that Mock should implement
ast-grep --pattern 'class $_Interface {
  $$$
}'

# Check the full Mock implementation
cat polymorphism/test/include/test_polymorphism/mocking.hpp

# Check how the interface is used in consume function
rg -A 5 'consume\(' --type cpp

Length of output: 5215


Script:

#!/bin/bash
# Check the interface definition
cat polymorphism/include/polymorphism/consume_class_with_interface.hpp

# Check the concept definition
cat polymorphism/include/polymorphism/consume_class_that_adheres_to_concept.hpp

# Check if there are any other test files using the Mock
fd -e cpp -e hpp test_consume

Length of output: 930


Script:

#!/bin/bash
# Check the interface definition
cat polymorphism/include/polymorphism/i_super_cool_features.hpp

# Check the concept definition
cat polymorphism/include/polymorphism/has_super_cool_features.hpp

Length of output: 1413

Comment on lines +1 to +2
#ifndef POLYMORPHISM_CONSUME_CLASS_THAT_ADHERES_TO_CONCEPT_HPP
#define POLYMORPHISM_CONSUME_CLASS_THAT_ADHERES_TO_CONCEPT_HPP
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💡 Codebase verification

Misspelled header guard found in has_super_cool_features.hpp

The header guard spelling correction should be applied consistently across the codebase. Found remaining instances of "POYMORPHISM" in:

  • polymorphism/include/polymorphism/has_super_cool_features.hpp
    • Line 1: #ifndef POYMORPHISM_HAS_SUPER_COOL_FEATURES_HPP
    • Line 2: #define POYMORPHISM_HAS_SUPER_COOL_FEATURES_HPP
    • Line 15: #endif // POYMORPHISM_HAS_SUPER_COOL_FEATURES_HPP
🔗 Analysis chain

Fixed header guard spelling.

The header guard spelling has been corrected from "POYMORPHISM" to "POLYMORPHISM", which improves code clarity and maintainability.

Let's verify there are no remaining instances of the misspelled header guard in the codebase:

Also applies to: 15-15

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for any remaining instances of the misspelled header guard
rg "POYMORPHISM" --type cpp

Length of output: 359

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