Setting up GitHub Actions

.github/workflows/build.yml

@@ -1,15 +1,46 @@
 name: Build and Test
-on: [workflow_dispatch]
+on: [push, workflow_dispatch]
 jobs:
-  build:
-    runs-on: [macos-13]
+  unit-tests:
+    runs-on: macos-13
     env:
       XC_VERSION: ${{ '15.1' }}
+      CCACHE_COMPRESS: "true"
+      CCACHE_COMPRESSLEVEL: "10"
+      CCACHE_MAXSIZE: "400M"
+    strategy:
+      matrix:
+        configuration: ["Debug", "Release"]
     steps:
     - name: Select latest Xcode
       run: "sudo xcode-select -s /Applications/Xcode_$XC_VERSION.app"
+    - name: Install ccache
+      run: |
+        brew install ccache
+        which ccache
+    - name: Cache ccache
+      uses: actions/cache@v2
+      with:
+        path: ~/Library/Caches/ccache
+        key: ccache-${{ github.job }}-${{ matrix.configuration }}-${{ github.run_id }}
+        restore-keys: ccache-${{ github.job }}-${{ matrix.configuration }}
     - uses: actions/checkout@v2
     - name: Build and run unit tests
+      run: "cd Scripts && ./run_all_unit_tests.sh ${{ matrix.configuration }}"
+    - name: Show ccache stats
+      run: "ccache --show-stats --verbose"
+    - name: Remove old ccache caches
       run: |
-        cd Scripts
-        ./run_all_unit_tests.sh
+        gh extension install actions/gh-actions-cache
+        echo "Fetching list of cache key"
+        cacheKeys=$(gh actions-cache list --key ccache-${{ github.job }}-${{ matrix.configuration }}- | cut -f 1 )
+        ## Setting this to not fail the workflow while deleting cache keys.
+        set +e
+        echo "Deleting caches..."
+        for cacheKey in $cacheKeys
+        do
+            gh actions-cache delete $cacheKey --confirm
+        done
+        echo "Done"
+      env:
+        GH_TOKEN: ${{ github.token }}

Scripts/run_all_unit_tests.sh

@@ -19,9 +19,12 @@ BUILD_DIR=$(mktemp -d ${SCRIPTS_DIR}/build.XXXXXXXXX)
 
 ROOT_DIR=$(cd "$SCRIPTS_DIR/.." && pwd)
 
+XCODEPROJ="../Source/NimbleCommander/NimbleCommander.xcodeproj"
+
 LOG_FILE=${BUILD_DIR}/xcodebuild.log
 
 if type -p /usr/local/bin/ccache >/dev/null 2>&1; then
+    echo Using ccache
     export CCACHE_BASEDIR="${ROOT_DIR}"
     export CCACHE_SLOPPINESS=time_macros,include_file_mtime,include_file_ctime,file_stat_matches
     export CC="${SCRIPTS_DIR}/ccache-clang"
@@ -34,7 +37,7 @@ build_target()
     CONFIGURATION=$2
     echo building ${TARGET} - ${CONFIGURATION}
     XC="xcodebuild \
-        -project ../Source/NimbleCommander/NimbleCommander.xcodeproj \
+        -project ${XCODEPROJ} \
         -scheme ${TARGET} \
         -configuration ${CONFIGURATION} \
         SYMROOT=${BUILD_DIR} \
@@ -48,35 +51,36 @@ build_target()
 }
 
 # list of targets to build
-tests=(\
-BaseUT \
-ConfigUT \
-UtilityUT \
-VFSIconUT \
-VFSUT \
-OperationsUT \
-ViewerUT \
-TermUT \
-PanelUT \
-NimbleCommanderUT \
-)
+tests=$(xcodebuild -project ${XCODEPROJ} -list | awk -v word="Schemes:" 'BEGIN {found=0} found {if ($0 ~ /UT$/) print} $0 ~ word {found=1}' | sed 's/^[[:space:]]*//')
+echo Building these unit tests: ${tests}
 
 # list of configurations to build the targets with
-configurations=(\
-Debug \
-Release \
-)
-
-# run N * M binaries
-for configuration in ${configurations[@]}; do
-  for test in ${tests[@]}; do
+if [ -n "$1" ]; then
+    configurations="$1"
+else
+    configurations="Debug Release"
+fi
+echo Building these configurations: ${configurations}
+
+# a list of binaries of UTs to execute
+binary_paths=()
+
+# build N * M binaries
+for configuration in ${configurations}; do
+  for test in ${tests}; do
     # build the binary
-    build_target $test $configuration
+    build_target ${test} ${configuration}
 
-    # execute the binary
-    $BINARY_PATH
+    # store the path to execute later
+    binary_paths+=("$BINARY_PATH")
   done
 done
 
+# run the binaries
+for path in "${binary_paths[@]}"; do
+    echo "$path"
+    $path
+done
+
 # cleanup
 rm -rf ${BUILD_DIR}

Source/Base/config/tests.xcconfig

@@ -1,3 +1,4 @@
 OTHER_LDFLAGS = $(inherited) -lBase
 GCC_PREPROCESSOR_DEFINITIONS = $(inherited) GTEST_DONT_DEFINE_FAIL=1 GTEST_DONT_DEFINE_SUCCEED=1
 EXECUTABLE_PREFIX=
+ONLY_ACTIVE_ARCH=YES

Source/Config/config/tests.xcconfig

@@ -3,3 +3,4 @@
 OTHER_LDFLAGS = $(inherited) -lConfig -lBase -framework Foundation -framework Cocoa
 GCC_PREPROCESSOR_DEFINITIONS = $(inherited) GTEST_DONT_DEFINE_FAIL=1 GTEST_DONT_DEFINE_SUCCEED=1 
 EXECUTABLE_PREFIX=
+ONLY_ACTIVE_ARCH=YES

Source/NimbleCommander/NimbleCommander.xcodeproj/project.pbxproj

@@ -1770,6 +1770,7 @@
 		CFA1716220196CB400F507D5 /* AppDelegate+MainWindowCreation.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; name = "AppDelegate+MainWindowCreation.mm"; path = "NimbleCommander/Bootstrap/AppDelegate+MainWindowCreation.mm"; sourceTree = SOURCE_ROOT; };
 		CFA1716420196CF600F507D5 /* AppDelegate.Private.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = AppDelegate.Private.h; path = NimbleCommander/Bootstrap/AppDelegate.Private.h; sourceTree = SOURCE_ROOT; };
 		CFA1716820199E8700F507D5 /* FavoritesImpl.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = FavoritesImpl.h; path = NimbleCommander/States/FilePanels/FavoritesImpl.h; sourceTree = SOURCE_ROOT; };
+		CFA22D2B2B51BD7E00E71479 /* tests.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = tests.xcconfig; path = NimbleCommander/Config/tests.xcconfig; sourceTree = "<group>"; };
 		CFA2D6011E39D43C009DB708 /* PreferencesWindowThemesTabImportSheet.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = PreferencesWindowThemesTabImportSheet.h; path = NimbleCommander/Preferences/PreferencesWindowThemesTabImportSheet.h; sourceTree = SOURCE_ROOT; };
 		CFA2D6021E39D43C009DB708 /* PreferencesWindowThemesTabImportSheet.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; name = PreferencesWindowThemesTabImportSheet.mm; path = NimbleCommander/Preferences/PreferencesWindowThemesTabImportSheet.mm; sourceTree = SOURCE_ROOT; };
 		CFA3D7C519625F71006A30A1 /* GTMHotKeyTextField.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = GTMHotKeyTextField.h; path = ../../3rd_Party/GTMHotKeyTextField/GTMHotKeyTextField.h; sourceTree = SOURCE_ROOT; };
@@ -2221,6 +2222,7 @@
 				CF6572991FA6CD7300ABF85F /* debug.xcconfig */,
 				CF5FD92D1FA2C02E00752E59 /* default.xcconfig */,
 				CF65729A1FA6CD8100ABF85F /* release.xcconfig */,
+				CFA22D2B2B51BD7E00E71479 /* tests.xcconfig */,
 			);
 			name = Config;
 			sourceTree = "<group>";
@@ -5142,13 +5144,15 @@
 		};
 		CF5DE0B7258414CA00604DEE /* Debug */ = {
 			isa = XCBuildConfiguration;
+			baseConfigurationReference = CFA22D2B2B51BD7E00E71479 /* tests.xcconfig */;
 			buildSettings = {
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
 			name = Debug;
 		};
 		CF5DE0B8258414CA00604DEE /* Release */ = {
 			isa = XCBuildConfiguration;
+			baseConfigurationReference = CFA22D2B2B51BD7E00E71479 /* tests.xcconfig */;
 			buildSettings = {
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};

Source/NimbleCommander/NimbleCommander/Config/tests.xcconfig

@@ -0,0 +1 @@
+ONLY_ACTIVE_ARCH=YES

Source/Operations/config/tests.xcconfig

@@ -1,3 +1,4 @@
 OTHER_LDFLAGS = $(inherited) -lgmock -lgtest -lOperations -lRoutedIO -lUtility
 LD_RUNPATH_SEARCH_PATHS = @executable_path/
 GCC_PREPROCESSOR_DEFINITIONS = $(inherited) GTEST_DONT_DEFINE_FAIL=1 GTEST_DONT_DEFINE_SUCCEED=1
+ONLY_ACTIVE_ARCH=YES

Source/Panel/config/tests.xcconfig

@@ -1,3 +1,4 @@
 LD_RUNPATH_SEARCH_PATHS = @executable_path/
 GCC_PREPROCESSOR_DEFINITIONS = $(inherited) GTEST_DONT_DEFINE_FAIL=1 GTEST_DONT_DEFINE_SUCCEED=1
 OTHER_LDFLAGS = $(inherited) -framework Foundation -framework Cocoa -lUtility -lBase -lPanel -lVFS -lRoutedIO
+ONLY_ACTIVE_ARCH=YES

Source/Panel/tests/ExternalTools_IT.mm

@@ -1,4 +1,4 @@
-// Copyright (C) 2023 Michael Kazakov. Subject to GNU General Public License version 3.
+// Copyright (C) 2023-2024 Michael Kazakov. Subject to GNU General Public License version 3.
 // TODO: add a PanelIT target
 
 #include "ExternalTools.h"
@@ -142,7 +142,7 @@ static bool WaitForChildProcess(int _pid, std::chrono::nanoseconds _deadline, st
     }
 }
 
-TEST_CASE(PREFIX "execute a ui app")
+TEST_CASE(PREFIX "execute a ui app", "[!mayfail]")
 {
     TempTestDir dir;
     const auto basedir = dir.directory;
@@ -235,7 +235,7 @@ static bool WaitForChildProcess(int _pid, std::chrono::nanoseconds _deadline, st
     auto run = [&] {
         ExternalToolExecution ex{ctx, et};
         auto pid = ex.StartDetachedUI();
-        REQUIRE(pid);
+        REQUIRE(pid); // <-- Flaky!
         REQUIRE(WaitForChildProcess(*pid, 5s, 1ms));
     };
 

Source/Term/config/tests.xcconfig

@@ -1,2 +1,3 @@
 GCC_PREPROCESSOR_DEFINITIONS = $(inherited) GTEST_DONT_DEFINE_FAIL=1 GTEST_DONT_DEFINE_SUCCEED=1
 OTHER_LDFLAGS = $(inherited) -framework Foundation -framework Cocoa -lTerm -lUtility -lBase
+ONLY_ACTIVE_ARCH=YES

Source/Term/tests/ChildrenTracker_UT.cpp

@@ -1,4 +1,4 @@
-// Copyright (C) 2023 Michael Kazakov. Subject to GNU General Public License version 3.
+// Copyright (C) 2023-2024 Michael Kazakov. Subject to GNU General Public License version 3.
 
 #include "Tests.h"
 #include "AtomicHolder.h"
@@ -10,44 +10,51 @@ using namespace nc::term;
 using namespace std::chrono_literals;
 #define PREFIX "nc::term::ChildrenTracker "
 
-TEST_CASE(PREFIX "Generic cases")
+TEST_CASE(PREFIX "Generic cases", "[!mayfail]")
 {
-    const int mypid = getpid();
+    const int p1 = getpid();
     QueuedAtomicHolder<int> ncalled{0};
     auto cb = [&ncalled, next = 1] mutable { ncalled.store(next++); };
 
-    ChildrenTracker tracker{mypid, cb};
+    ChildrenTracker tracker{p1, cb};
 
     SECTION("Nothing") {}
     SECTION("Single fork")
     {
-        int p2;
+        int p2 = 0;
         if( (p2 = fork()) == 0 ) {
             std::this_thread::sleep_for(1ms);
             exit(0);
         }
+        CHECK(p2 > 0);
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 1)); // p1 fork -> p2
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 2)); // p2 exit
-        waitpid(p2, nullptr, 0);
+        CHECK(waitpid(p2, nullptr, 0) == p2);
     }
     SECTION("Two sequent forks")
     {
-        if( fork() == 0 ) {
+        int p2 = 0, p3 = 0;
+        if( (p2 = fork()) == 0 ) {
             std::this_thread::sleep_for(1ms);
             exit(0);
         }
+        CHECK(p2 > 0);
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 1)); // p1 fork -> p2
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 2)); // p2 exit
-        if( fork() == 0 ) {
+        if( (p3 = fork()) == 0 ) {
             std::this_thread::sleep_for(1ms);
             exit(0);
         }
+        CHECK(p3 > 0);
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 3)); // p1 fork -> p3
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 4)); // p3 exit
+        CHECK(waitpid(p2, nullptr, 0) == p2);
+        CHECK(waitpid(p3, nullptr, 0) == p3);
     }
     SECTION("Two recursive forks")
     {
-        if( fork() == 0 ) {
+        int p2 = 0;
+        if( (p2 = fork()) == 0 ) {
             std::this_thread::sleep_for(1ms);
             if( int p3; (p3 = fork()) == 0 ) {
                 std::this_thread::sleep_for(1ms);
@@ -57,14 +64,17 @@ TEST_CASE(PREFIX "Generic cases")
                 waitpid(p3, nullptr, 0);
             exit(0);
         }
+        CHECK(p2 > 0);
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 1)); // p1 fork -> p2
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 2)); // p2 fork -> p3
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 3)); // p3 exit
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 4)); // p2 exit
+        CHECK(waitpid(p2, nullptr, 0) == p2);
     }
     SECTION("Three recursive forks")
     {
-        if( fork() == 0 ) {
+        int p2 = 0;
+        if( (p2 = fork()) == 0 ) {
             std::this_thread::sleep_for(1ms);
             if( int p3; (p3 = fork()) == 0 ) {
                 std::this_thread::sleep_for(1ms);
@@ -80,16 +90,19 @@ TEST_CASE(PREFIX "Generic cases")
                 waitpid(p3, nullptr, 0);
             exit(0);
         }
+        CHECK(p2 > 0);
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 1)); // p1 fork -> p2
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 2)); // p2 fork -> p3
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 3)); // p3 fork -> p4
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 4)); // p4 exit
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 5)); // p3 exit
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 6)); // p2 exit
+        CHECK(waitpid(p2, nullptr, 0) == p2);
     }
     SECTION("2 x two recursive forks")
     {
-        if( fork() == 0 ) {
+        int p2 = 0, p4 = 0;
+        if( (p2 = fork()) == 0 ) {
             std::this_thread::sleep_for(1ms);
             if( int p3; (p3 = fork()) == 0 ) {
                 std::this_thread::sleep_for(1ms);
@@ -99,7 +112,7 @@ TEST_CASE(PREFIX "Generic cases")
                 waitpid(p3, nullptr, 0);
             exit(0);
         }
-        if( fork() == 0 ) {
+        if( (p4 = fork()) == 0 ) {
             std::this_thread::sleep_for(1ms);
             if( int p3; (p3 = fork()) == 0 ) {
                 std::this_thread::sleep_for(1ms);
@@ -109,29 +122,37 @@ TEST_CASE(PREFIX "Generic cases")
                 waitpid(p3, nullptr, 0);
             exit(0);
         }
+        CHECK(p2 > 0);
+        CHECK(p4 > 0);
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 1)); // p1 fork -> p2
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 2)); // p1 fork -> p4
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 3)); // p2 fork -> p3
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 4)); // p4 fork -> p5
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 5)); // p3 exit
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 6)); // p5 exit
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 7)); // p2 exit
-        CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 8)); // p4 exit
+        CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 8)); // p4 exit <-- this one fails on GHA
+        CHECK(waitpid(p2, nullptr, 0) == p2);
+        CHECK(waitpid(p4, nullptr, 0) == p4);
     }
     SECTION("Fork and exec")
     {
-        if( fork() == 0 ) {
+        int p2 = 0;
+        if( (p2 = fork()) == 0 ) {
             std::this_thread::sleep_for(1ms);
             close(1);
             execl("/usr/bin/uptime", "uptime", nullptr);
         }
+        CHECK(p2 > 0);
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 1)); // p1 fork -> p2
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 2)); // p2 exec
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 3)); // p2 exit
+        CHECK(waitpid(p2, nullptr, 0) == p2);
     }
     SECTION("Two recursive forks and exec")
     {
-        if( fork() == 0 ) {
+        int p2 = 0;
+        if( (p2 = fork()) == 0 ) {
             std::this_thread::sleep_for(1ms);
             if( int p3; (p3 = fork()) == 0 ) {
                 std::this_thread::sleep_for(1ms);
@@ -142,11 +163,13 @@ TEST_CASE(PREFIX "Generic cases")
                 waitpid(p3, nullptr, 0);
             exit(0);
         }
+        CHECK(p2 > 0);
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 1)); // p1 fork -> p2
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 2)); // p2 fork -> p3
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 3)); // p3 exec
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 4)); // p3 exit
         CHECK(ncalled.wait_to_become_with_runloop(5s, 1ms, 5)); // p2 exit
+        CHECK(waitpid(p2, nullptr, 0) == p2);
     }
 }
 

Source/Utility/config/tests.xcconfig

@@ -1,3 +1,4 @@
 OTHER_LDFLAGS = $(inherited) -lUtility -lBase
 GCC_PREPROCESSOR_DEFINITIONS = $(inherited) GTEST_DONT_DEFINE_FAIL=1 GTEST_DONT_DEFINE_SUCCEED=1
 EXECUTABLE_PREFIX=
+ONLY_ACTIVE_ARCH=YES