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perazzperazz
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create features test
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‎ci/run_tests.sh‎

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# Test custom build directory functionality
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bash "../ci/test_custom_build_dir.sh" "$fpm" hello_world
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# Test FPM features functionality
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echo "=== Testing FPM Features Functionality ==="
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bash "../ci/test_features.sh" "$fpm"
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# Cleanup
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rm -rf ./*/build

‎ci/test_features.sh‎

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#!/usr/bin/env bash
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set -ex
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# Test script for FPM features functionality
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# Usage: ./test_features.sh [fpm_executable]
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# Note: This script should be run from the repo root or integrated into run_tests.sh
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if [ "$1" ]; then
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fpm="$1"
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else
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# Default to the fpm passed from run_tests.sh or system fpm
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fpm="${fpm:-fpm}"
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fi
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echo "Testing FPM features functionality"
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echo "=== Testing features_demo package ==="
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# Test 1: Basic features - debug feature
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pushd "features_demo"
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echo "Test 1: Basic debug feature"
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rm -rf build
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"$fpm" run --features debug | tee output.txt
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grep -q "DEBUG mode enabled" output.txt
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grep -q "✓ DEBUG mode enabled" output.txt
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echo "✓ Debug feature works"
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# Test 2: Profile usage - development profile (includes debug)
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echo "Test 2: Development profile (debug feature)"
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rm -rf build
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"$fpm" run --profile development --target features_demo | tee output.txt
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grep -q "DEBUG mode enabled" output.txt
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echo "✓ Development profile works"
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# Test 3: Multiple features
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echo "Test 3: Multiple features (debug + openmp)"
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rm -rf build
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"$fpm" run --features debug,openmp --target features_demo | tee output.txt
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grep -q "DEBUG mode enabled" output.txt
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grep -q "OpenMP support enabled" output.txt
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echo "✓ Multiple features work"
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# Test 4: Feature-specific executable (debug_demo only available with debug feature)
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echo "Test 4: Feature-specific executable"
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rm -rf build
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"$fpm" run --feature debug --target debug_demo | tee output.txt
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grep -q "Debug Demo Program" output.txt
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grep -q "Debug mode: ON" output.txt
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echo "✓ Feature-specific executable works"
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# Test 5: Profile with multiple features - production profile (release + openmp)
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echo "Test 5: Production profile (release + openmp)"
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rm -rf build
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"$fpm" run --profile production --target features_demo | tee output.txt
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grep -q "RELEASE mode enabled" output.txt
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grep -q "OpenMP support enabled" output.txt
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# Should NOT have debug
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! grep -q "DEBUG mode enabled" output.txt
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echo "✓ Production profile works"
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# Test 6: No features - baseline behavior
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echo "Test 6: No features (baseline)"
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rm -rf build
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"$fpm" run --target features_demo | tee output.txt
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# Should have neither DEBUG nor RELEASE without explicit features
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! grep -q "DEBUG mode enabled" output.txt || true
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! grep -q "RELEASE mode enabled" output.txt || true
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grep -q "Features: NONE" output.txt || grep -q "Demo completed successfully" output.txt
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echo "✓ Baseline (no features) works"
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# Test 7: Build listing with features
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echo "Test 7: Build listing with features"
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rm -rf build
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"$fpm" build --feature debug --list | tee build_list.txt
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grep -q "debug_demo" build_list.txt
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grep -q "features_demo" build_list.txt
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echo "✓ Build listing with features works"
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# Test 8: Error handling - invalid feature
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echo "Test 8: Error handling for invalid feature"
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rm -rf build
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if "$fpm" run --feature nonexistent --target features_demo 2>&1 | grep -q "undefined feature"; then
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echo "✓ Correctly rejected invalid feature"
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else
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echo "ERROR: Should reject invalid feature" && exit 1
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fi
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# Test 9: Error handling - invalid profile
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echo "Test 9: Error handling for invalid profile"
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rm -rf build
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if "$fpm" run --profile nonexistent --target features_demo 2>&1 | grep -q "undefined profile"; then
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echo "✓ Correctly rejected invalid profile"
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else
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echo "ERROR: Should reject invalid profile" && exit 1
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fi
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# Test 10: Features and profile mutual exclusion
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echo "Test 10: Features and profile mutual exclusion"
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rm -rf build
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if "$fpm" run --feature debug --profile development --target features_demo 2>&1 | grep -q "cannot specify both"; then
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echo "✓ Correctly rejected features + profile combination"
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else
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echo "ERROR: Should reject features + profile combination" && exit 1
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fi
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# Cleanup
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rm -rf build output.txt build_list.txt
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popd
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echo "=== Testing features_with_dependency package ==="
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# Test dependency features
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pushd "features_with_dependency"
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# Test 11: No features - should show NONE for both local and dependency
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echo "Test 11: Dependency package without features"
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rm -rf build
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"$fpm" run | tee output.txt
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grep -q "NONE - no local features active" output.txt
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grep -q "Features: NONE" output.txt
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echo "✓ Dependency package baseline works"
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# Test 12: Debug dependency feature
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echo "Test 12: Debug dependency feature"
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rm -rf build
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"$fpm" run --features with_feat_debug | tee output.txt
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grep -q "WITH_DEBUG_DEPENDENCY" output.txt
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grep -q "DEBUG mode enabled" output.txt
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echo "✓ Debug dependency feature works"
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# Test 13: Release dependency feature
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echo "Test 13: Release dependency feature"
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rm -rf build
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"$fpm" run --features with_feat_release | tee output.txt
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grep -q "WITH_RELEASE_DEPENDENCY" output.txt
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grep -q "RELEASE mode enabled" output.txt
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echo "✓ Release dependency feature works"
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# Test 14: Multi dependency feature
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echo "Test 14: Multi dependency feature"
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rm -rf build
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"$fpm" run --features with_feat_multi | tee output.txt
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grep -q "WITH_MULTI_DEPENDENCY" output.txt
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grep -q "DEBUG mode enabled" output.txt
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grep -q "MPI support enabled" output.txt
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echo "✓ Multi dependency feature works"
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# Test 15: Profile with dependency features
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echo "Test 15: Debug dependency profile"
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rm -rf build
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"$fpm" run --profile debug_dep | tee output.txt
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grep -q "WITH_DEBUG_DEPENDENCY" output.txt
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grep -q "DEBUG mode enabled" output.txt
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echo "✓ Debug dependency profile works"
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# Cleanup
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rm -rf build output.txt
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popd
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echo "All FPM features tests passed!"

‎example_packages/features_demo/app/debug_demo.f90‎

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program debug_demo
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use features_demo
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implicit none
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write(*,*) 'Debug Demo Program'
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write(*,*) '=================='
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#ifdef DEBUG
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write(*,*) 'Debug mode: ON'
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#else
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write(*,*) 'Debug mode: OFF'
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#endif
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call show_features()
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end program debug_demo

‎example_packages/features_demo/app/main.f90‎

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program main
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use features_demo
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implicit none
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call show_features()
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write(*,*) ''
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write(*,*) get_build_info()
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write(*,*) ''
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write(*,*) 'Demo completed successfully!'
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end program main

‎example_packages/features_demo/fpm.toml‎

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name = "features_demo"
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version = "0.1.0"
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license = "MIT"
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description = "Demo package for FPM features functionality"
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[[executable]]
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name = "features_demo"
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source-dir = "app"
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main = "main.f90"
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[features]
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# Base debug feature
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debug.flags = "-g"
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debug.preprocess.cpp.macros = "DEBUG"
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# Release feature
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release.flags = "-O3"
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release.preprocess.cpp.macros = "RELEASE"
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# Compiler-specific features
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debug.gfortran.flags = "-Wall -fcheck=bounds"
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release.gfortran.flags = "-march=native"
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# Platform-specific features
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linux.preprocess.cpp.macros = "LINUX_BUILD"
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# Parallel features
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mpi.preprocess.cpp.macros = "USE_MPI"
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mpi.dependencies.mpi = "*"
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openmp.preprocess.cpp.macros = "USE_OPENMP"
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openmp.dependencies.openmp = "*"
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[profiles]
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development = ["debug"]
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production = ["release", "openmp"]

‎example_packages/features_demo/src/features_demo.f90‎

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module features_demo
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implicit none
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private
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public :: show_features, get_build_info
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contains
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!> Display which features are enabled
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subroutine show_features()
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write(*,*) 'FPM Features Demo'
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write(*,*) '================='
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! Debug/Release flags
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#ifdef DEBUG
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write(*,*) '✓ DEBUG mode enabled'
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#endif
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#ifdef RELEASE
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write(*,*) '✓ RELEASE mode enabled'
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#endif
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! Platform detection
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#ifdef LINUX_BUILD
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write(*,*) '✓ Linux platform detected'
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#endif
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#ifdef WINDOWS_BUILD
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write(*,*) '✓ Windows platform detected'
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#endif
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! Parallel features
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#ifdef USE_MPI
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write(*,*) '✓ MPI support enabled'
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#endif
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#ifdef USE_OPENMP
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write(*,*) '✓ OpenMP support enabled'
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#endif
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! Compiler info (if available)
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write(*,*) 'Build configuration:'
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call show_compiler_info()
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end subroutine show_features
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!> Show compiler information
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subroutine show_compiler_info()
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#ifdef __GFORTRAN__
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write(*,*) ' - Compiler: GNU Fortran'
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#endif
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#ifdef __INTEL_COMPILER
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write(*,*) ' - Compiler: Intel Fortran'
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#endif
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end subroutine show_compiler_info
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!> Get build information as a string
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function get_build_info() result(info)
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character(len=200) :: info
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info = 'Features: '
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#ifdef DEBUG
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info = trim(info) // 'DEBUG '
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#endif
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#ifdef RELEASE
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info = trim(info) // 'RELEASE '
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#endif
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#ifdef USE_MPI
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info = trim(info) // 'MPI '
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#endif
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#ifdef USE_OPENMP
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info = trim(info) // 'OPENMP '
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#endif
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if (len_trim(info) == 10) then ! Only "Features: "
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info = trim(info) // 'NONE'
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end if
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end function get_build_info
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end module features_demo

‎example_packages/features_with_dependency/app/main.f90‎

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program features_with_dependency
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use features_with_dependency, only: show_features
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implicit none
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print *, "=== Features with Dependency Demo ==="
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print *, ""
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call show_features()
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print *, ""
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print *, "This demonstrates feature propagation to dependencies."
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end program features_with_dependency

‎example_packages/features_with_dependency/fpm.toml‎

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name = "features_with_dependency"
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version = "0.1.0"
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license = "MIT"
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description = "Demo package testing dependency features"
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[[executable]]
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name = "features_with_dependency"
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source-dir = "app"
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main = "main.f90"
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# Enable cpp preprocessing on the main program
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[preprocess.cpp]
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[dependencies]
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# Base dependencies (none for this demo - features will add them)
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[features]
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# Feature that enables debug mode in the dependency
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with_feat_debug.dependencies.features_demo = { path = "../features_demo", features = ["debug"] }
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with_feat_debug.preprocess.cpp.macros = "WITH_DEBUG_DEPENDENCY"
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# Feature that enables release mode in the dependency
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with_feat_release.dependencies.features_demo = { path = "../features_demo", features = ["release"] }
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with_feat_release.preprocess.cpp.macros = "WITH_RELEASE_DEPENDENCY"
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# Feature that enables multiple dependency features
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with_feat_multi.dependencies.features_demo = { path = "../features_demo", features = ["debug", "mpi"] }
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with_feat_multi.preprocess.cpp.macros = "WITH_MULTI_DEPENDENCY"
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# Feature for platform-specific dependency features
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linux_specific.linux.dependencies.features_demo = { path = "../features_demo", features = ["linux"] }
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linux_specific.preprocess.cpp.macros = "LINUX_FEATURES"
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# Feature combining compiler and dependency features
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gfortran_optimized.gfortran.dependencies.features_demo = { path = "../features_demo", features = ["release", "gfortran"] }
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gfortran_optimized.gfortran.flags = "-O3 -march=native"
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[profiles]
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debug_dep = ["with_feat_debug"]
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release_dep = ["with_feat_release"]
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full_test = ["with_feat_multi", "linux_specific"]

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