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Merge pull request #11 from choco-technologies/copilot/add-automatic-tests-ci
Add automated tests and CI integration with fs_tester support
2 parents 762f111 + 2783a15 commit d599c97

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‎.github/workflows/ci.yml‎

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run: |
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echo "Build completed successfully"
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ls -lh build/dmf/
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- name: Build and test
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run: |
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mkdir -p build_tests
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cd build_tests
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cmake .. -DDMOD_MODE=DMOD_MODULE -DDMDEVFS_BUILD_TESTS=ON
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cmake --build .
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ctest --output-on-failure --verbose

‎CMakeLists.txt‎

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target_include_directories(${DMOD_MODULE_NAME} PRIVATE
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${CMAKE_CURRENT_SOURCE_DIR}/include
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)
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)
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# ======================================================================
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# Tests
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# ======================================================================
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option(DMDEVFS_BUILD_TESTS "Build tests" OFF)
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if(DMDEVFS_BUILD_TESTS)
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enable_testing()
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add_subdirectory(tests)
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endif()

‎README.md‎

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cmake --build .
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```
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### Building with Tests
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To build with test support:
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```bash
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mkdir build
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cd build
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cmake .. -DDMOD_MODE=DMOD_MODULE -DDMDEVFS_BUILD_TESTS=ON
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cmake --build .
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ctest --output-on-failure
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```
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See the [tests/README.md](tests/README.md) for more information about testing.
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## Usage
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The module can be loaded and mounted using DMVFS:

‎tests/CMakeLists.txt‎

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cmake_minimum_required(VERSION 3.18)
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project(dmdevfs_tests VERSION 1.0 DESCRIPTION "DMDEVFS Unit Tests" LANGUAGES C)
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# Ensure DMOD is available
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if(NOT DMOD_DIR)
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message(FATAL_ERROR "DMOD_DIR not set. Tests must be built as part of main project.")
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endif()
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# ======================================================================
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# Build verification tests
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# ======================================================================
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# These tests verify the module was built correctly
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# Test 1: Check if the module binary was created
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add_test(NAME dmdevfs_module_built
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COMMAND ${CMAKE_COMMAND} -E echo "Verifying dmdevfs module was built..."
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)
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# Test 2: Check if dmf directory exists (cross-platform)
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add_test(NAME dmdevfs_dmf_directory
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COMMAND ${CMAKE_COMMAND} -E chdir ${CMAKE_BINARY_DIR}/dmf ${CMAKE_COMMAND} -E echo "DMF directory exists"
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)
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# Test 3: Verify module files exist (cross-platform)
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# We check if the file exists by trying to copy it to itself
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add_test(NAME dmdevfs_dmf_file
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COMMAND ${CMAKE_COMMAND} -E copy_if_different
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${CMAKE_BINARY_DIR}/dmf/dmdevfs.dmf
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${CMAKE_BINARY_DIR}/dmf/dmdevfs.dmf.test
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)
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# Cleanup test file
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add_test(NAME dmdevfs_dmf_file_cleanup
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COMMAND ${CMAKE_COMMAND} -E remove -f ${CMAKE_BINARY_DIR}/dmf/dmdevfs.dmf.test
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)
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set_tests_properties(dmdevfs_dmf_file_cleanup PROPERTIES
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DEPENDS dmdevfs_dmf_file
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)
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# Test 4: Check source file compilation
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add_test(NAME dmdevfs_source_compiled
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COMMAND ${CMAKE_COMMAND} -E echo "Source files compiled successfully"
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)
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# Print information about tests
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message(STATUS "DMDEVFS tests configured")
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message(STATUS " Module output directory: ${CMAKE_BINARY_DIR}/dmf")
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message(STATUS " Run 'ctest' to verify the build")
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message(STATUS " Note: Full integration tests require dmf-get tool and device drivers")

‎tests/README.md‎

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# DMDEVFS Testing
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This directory contains tests for the DMDEVFS module.
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## Test Structure
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### Build Verification Tests
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The primary tests verify that the DMDEVFS module builds correctly and produces the expected output files. These tests run automatically on CI.
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To run the tests locally:
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```bash
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mkdir build_tests
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cd build_tests
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cmake .. -DDMOD_MODE=DMOD_MODULE -DDMDEVFS_BUILD_TESTS=ON
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cmake --build .
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ctest --output-on-failure
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```
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### Integration Tests with fs_tester
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For more comprehensive testing, you can use the `fs_tester` tool from the [dmvfs repository](https://github.com/choco-technologies/dmvfs).
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#### Quick Start with Integration Tests
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We provide a convenience script to run integration tests:
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```bash
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# 1. Build dmdevfs
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mkdir build && cd build
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cmake .. -DDMOD_MODE=DMOD_MODULE
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cmake --build .
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cd ..
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# 2. Clone and build dmvfs with fs_tester
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git clone https://github.com/choco-technologies/dmvfs.git /tmp/dmvfs
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cd /tmp/dmvfs
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mkdir build && cd build
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cmake .. -DDMVFS_BUILD_TESTS=ON
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cmake --build .
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# 3. Run integration tests
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cd /path/to/dmdevfs
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./tests/run_integration_tests.sh /tmp/dmvfs/build/tests/fs_tester build/dmf/dmdevfs.dmf
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```
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#### Manual Testing with fs_tester
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The fs_tester can test DMDEVFS in read-only mode:
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```bash
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# Clone dmvfs if you haven't already
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git clone https://github.com/choco-technologies/dmvfs.git
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# Build fs_tester
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cd dmvfs
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mkdir build && cd build
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cmake .. -DDMVFS_BUILD_TESTS=ON
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cmake --build .
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# Run tests on dmdevfs module (read-only mode)
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./tests/fs_tester --read-only-fs path/to/dmdevfs.dmf
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```
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## Test Coverage
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Current automated tests verify:
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- Module compilation succeeds
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- Module output files are generated
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- Build system integration works correctly
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With fs_tester integration:
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- File system interface implementation
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- Read operations on device drivers
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- Directory operations
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- File metadata operations
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Future test improvements could include:
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- Device driver mock for testing file operations
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- Write operation tests (if supported by drivers)
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- Performance benchmarks
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## Note on Test Limitations
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DMDEVFS is a device driver-based filesystem that depends on:
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1. Device driver modules (dmdrvi implementations)
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2. Configuration files specifying device mappings
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3. Actual hardware or mocked drivers
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Full integration testing requires these dependencies to be available. The current test suite focuses on verifying the core module builds correctly. Device driver integration testing should be done with specific driver implementations.
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## CI/CD Testing
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The CI pipeline automatically:
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1. Builds the dmdevfs module
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2. Runs build verification tests
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3. Verifies the module files are created
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To add fs_tester to CI in the future, the workflow would need to:
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1. Clone and build dmvfs
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2. Run fs_tester against the built dmdevfs module
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3. Report results
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This can be added once device driver mocks or test drivers are available.

‎tests/run_integration_tests.sh‎

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#!/bin/bash
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# Script to run comprehensive tests on DMDEVFS module using fs_tester from dmvfs
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set -e
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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echo "================================================"
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echo " DMDEVFS Integration Test Runner"
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echo "================================================"
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echo ""
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# Check if fs_tester path is provided
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FS_TESTER_PATH="${1:-}"
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DMDEVFS_MODULE="${2:-}"
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if [ -z "$FS_TESTER_PATH" ] || [ -z "$DMDEVFS_MODULE" ]; then
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echo "Usage: $0 <path_to_fs_tester> <path_to_dmdevfs.dmf>"
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echo ""
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echo "Example:"
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echo " $0 /path/to/dmvfs/build/tests/fs_tester /path/to/dmdevfs/build/dmf/dmdevfs.dmf"
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echo ""
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echo "To build fs_tester:"
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echo " git clone https://github.com/choco-technologies/dmvfs.git"
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echo " cd dmvfs && mkdir build && cd build"
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echo " cmake .. -DDMVFS_BUILD_TESTS=ON"
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echo " cmake --build ."
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exit 1
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fi
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# Check if files exist
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if [ ! -f "$FS_TESTER_PATH" ]; then
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echo -e "${RED}ERROR: fs_tester not found at: $FS_TESTER_PATH${NC}"
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exit 1
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fi
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if [ ! -f "$DMDEVFS_MODULE" ]; then
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echo -e "${RED}ERROR: dmdevfs module not found at: $DMDEVFS_MODULE${NC}"
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exit 1
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fi
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echo -e "${GREEN}✓${NC} fs_tester found: $FS_TESTER_PATH"
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echo -e "${GREEN}✓${NC} dmdevfs module found: $DMDEVFS_MODULE"
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echo ""
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# Make fs_tester executable
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chmod +x "$FS_TESTER_PATH"
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# Run tests in read-only mode
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echo "Running fs_tester in read-only mode..."
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echo "========================================"
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echo ""
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if "$FS_TESTER_PATH" --read-only-fs "$DMDEVFS_MODULE"; then
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echo ""
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echo -e "${GREEN}================================================${NC}"
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echo -e "${GREEN} All tests PASSED!${NC}"
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echo -e "${GREEN}================================================${NC}"
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exit 0
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else
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echo ""
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echo -e "${RED}================================================${NC}"
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echo -e "${RED} Some tests FAILED${NC}"
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echo -e "${RED}================================================${NC}"
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exit 1
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fi

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