UnitTest: Break the dependency to LLVM

If you have no LLVM installed it was impossible to compile the unit test.
But some unit test don't depend on LLVM. With this change it is now
possible to compile them.

Change-Id: Iac0c1b3cdf6c317e6ba4755acd5f8458db5a7451
Reviewed-by: David Schulz <david.schulz@qt.io>

tests/unit/unittest/clang_dependency.pri

@@ -1,5 +1,8 @@
+!isEmpty(LLVM_INSTALL_DIR) {
 include(../../../src/shared/clang/clang_installation.pri)
 requires(!isEmpty(LIBCLANG_LIBS))
 
+DEFINES += CLANG_UNIT_TESTS
 INCLUDEPATH += $$LLVM_INCLUDEPATH
 LIBS += $$LIBTOOLING_LIBS $$LIBCLANG_LIBS
+}

tests/unit/unittest/cplusplus.pri

@@ -1,4 +1,3 @@
 INCLUDEPATH += $$PWD
 
-include($$PWD/../../../src/libs/utils/utils-lib.pri)
 include($$PWD/../../../src/libs/cplusplus/cplusplus-lib.pri)

tests/unit/unittest/creator_dependency.pri

@@ -1,18 +1,23 @@
-include(../../../src/libs/sqlite/sqlite-lib.pri)
-include(../../../src/libs/clangbackendipc/clangbackendipc-lib.pri)
-include(../../../src/tools/clangbackend/ipcsource/clangbackendclangipc-source.pri)
-include(../../../src/tools/clangrefactoringbackend/source/clangrefactoringbackend-source.pri)
-include(../../../src/plugins/coreplugin/corepluginunittestfiles.pri)
-include(../../../src/plugins/clangcodemodel/clangcodemodelunittestfiles.pri)
-include(../../../src/plugins/cpptools/cpptoolsunittestfiles.pri)
-include(../../../src/plugins/clangrefactoring/clangrefactoring-source.pri)
+include($$PWD/../../../src/libs/utils/utils-lib.pri)
+include($$PWD/../../../src/libs/sqlite/sqlite-lib.pri)
+include($$PWD/../../../src/libs/clangbackendipc/clangbackendipc-lib.pri)
+include($$PWD/../../../src/plugins/coreplugin/corepluginunittestfiles.pri)
+
+!isEmpty(LLVM_INSTALL_DIR) {
+include($$PWD/../../../src/tools/clangbackend/ipcsource/clangbackendclangipc-source.pri)
+include($$PWD/../../../src/tools/clangrefactoringbackend/source/clangrefactoringbackend-source.pri)
+include($$PWD/../../../src/plugins/clangcodemodel/clangcodemodelunittestfiles.pri)
+include($$PWD/../../../src/plugins/cpptools/cpptoolsunittestfiles.pri)
+include($$PWD/../../../src/plugins/clangrefactoring/clangrefactoring-source.pri)
 include(cplusplus.pri)
 
+DEFINES += CLANG_VERSION=\\\"$${LLVM_VERSION}\\\"
+DEFINES += "\"CLANG_RESOURCE_DIR=\\\"$${LLVM_LIBDIR}/clang/$${LLVM_VERSION}/include\\\"\""
+}
+
+DEFINES += QTC_REL_TOOLS_PATH=$$shell_quote(\"$$relative_path($$IDE_LIBEXEC_PATH, $$IDE_BIN_PATH)\")
+
 INCLUDEPATH += \
     $$PWD/../../../src/libs \
     $$PWD/../../../src/libs/3rdparty \
     $$PWD/../../../src/plugins
-
-DEFINES += QTC_REL_TOOLS_PATH=$$shell_quote(\"$$relative_path($$IDE_LIBEXEC_PATH, $$IDE_BIN_PATH)\")
-DEFINES += CLANG_VERSION=\\\"$${LLVM_VERSION}\\\"
-DEFINES += "\"CLANG_RESOURCE_DIR=\\\"$${LLVM_LIBDIR}/clang/$${LLVM_VERSION}/include\\\"\""

tests/unit/unittest/gtest-qt-printing.h

@@ -31,8 +31,10 @@
 #pragma GCC diagnostic ignored "-Wunused-parameter"
 #endif
 
+#ifdef CLANG_UNIT_TESTS
 #include <clang/Basic/SourceLocation.h>
 #include <clang/Basic/SourceManager.h>
+#endif
 
 #if defined(__GNUC__)
 #pragma GCC diagnostic pop
@@ -64,6 +66,7 @@ inline void PrintTo(const QString &text, ::std::ostream *os)
 
 QT_END_NAMESPACE
 
+#ifdef CLANG_UNIT_TESTS
 namespace clang {
 
 inline void PrintTo(const clang::FullSourceLoc &sourceLocation, ::std::ostream *os)
@@ -78,6 +81,7 @@ inline void PrintTo(const clang::FullSourceLoc &sourceLocation, ::std::ostream *
 }
 
 }
+#endif
 
 //namespace testing {
 //namespace internal {

tests/unit/unittest/readandwritemessageblocktest.cpp

@@ -35,7 +35,6 @@
 #include <messageenvelop.h>
 #include <requestdocumentannotations.h>
 #include <readmessageblock.h>
-#include <sourcelocation.h>
 #include <registerunsavedfilesforeditormessage.h>
 #include <unregisterunsavedfilesforeditormessage.h>
 #include <updatetranslationunitsforeditormessage.h>

tests/unit/unittest/unittest.pro

@@ -24,6 +24,19 @@ msvc: QMAKE_CXXFLAGS_WARN_ON -= -w34100 # 'unreferenced formal parameter' in MAT
 win32:DEFINES += ECHOSERVER=\"R\\\"xxx($$OUT_PWD/../echo)xxx\\\"\"
 unix: DEFINES += ECHOSERVER=\"R\\\"xxx($$OUT_PWD/../echoserver/echo)xxx\\\"\"
 
+SOURCES += \
+    clientserverinprocesstest.cpp \
+    clientserveroutsideprocess.cpp \
+    lineprefixertest.cpp \
+    main.cpp \
+    readandwritemessageblocktest.cpp \
+    sizedarraytest.cpp \
+    spydummy.cpp \
+    smallstringtest.cpp \
+    testutils.cpp \
+    utf8test.cpp
+
+!isEmpty($$LIBCLANG_LIBS) {
 SOURCES += \
     activationsequencecontextprocessortest.cpp \
     activationsequenceprocessortest.cpp \
@@ -33,8 +46,6 @@ SOURCES += \
     clangfixitoperationtest.cpp \
     clangipcservertest.cpp \
     clangstringtest.cpp \
-    clientserverinprocesstest.cpp \
-    clientserveroutsideprocess.cpp \
     codecompletionsextractortest.cpp \
     codecompletiontest.cpp \
     completionchunkstotextconvertertest.cpp \
@@ -42,13 +53,9 @@ SOURCES += \
     diagnosticsettest.cpp \
     diagnostictest.cpp \
     fixittest.cpp \
-    lineprefixertest.cpp \
-    main.cpp \
     projecttest.cpp \
-    readandwritemessageblocktest.cpp \
     sourcelocationtest.cpp \
     sourcerangetest.cpp \
-    spydummy.cpp \
     sqlitecolumntest.cpp \
     sqlitedatabasebackendtest.cpp \
     sqlitedatabasetest.cpp \
@@ -58,7 +65,6 @@ SOURCES += \
     translationunitstest.cpp \
     translationunittest.cpp \
     unsavedfilestest.cpp \
-    utf8test.cpp \
     senddocumenttrackertest.cpp \
     cursortest.cpp \
     skippedsourcerangestest.cpp \
@@ -66,25 +72,27 @@ SOURCES += \
     chunksreportedmonitor.cpp \
     unsavedfiletest.cpp \
     clangisdiagnosticrelatedtolocationtest.cpp \
-    smallstringtest.cpp \
     highlightingmarkstest.cpp \
-    sizedarraytest.cpp \
     utf8positionfromlinecolumntest.cpp \
     translationunitupdatertest.cpp \
-    testutils.cpp \
     clangasyncjobtest.cpp \
     clangcompletecodejobtest.cpp \
     clangcreateinitialdocumentpreamblejobtest.cpp \
     clangjobqueuetest.cpp \
-    refactoringcompilationdatabasetest.cpp \
-    symbolfindertest.cpp \
-    refactoringclientserverinprocesstest.cpp \
-    refactoringservertest.cpp \
-    refactoringenginetest.cpp \
-    refactoringclienttest.cpp \
     clangjobstest.cpp \
     clangrequestdocumentannotationsjobtest.cpp \
     clangupdatedocumentannotationsjobtest.cpp
+}
+
+!isEmpty($$LIBTOOLING_LIBS) {
+SOURCES += \
+    refactoringclientserverinprocesstest.cpp \
+    refactoringcompilationdatabasetest.cpp \
+    refactoringservertest.cpp \
+    refactoringenginetest.cpp \
+    refactoringclienttest.cpp \
+    symbolfindertest.cpp
+}
 
 exists($$GOOGLEBENCHMARK_DIR) {
 SOURCES += \
@@ -93,17 +101,25 @@ SOURCES += \
 
 HEADERS += \
     gtest-qt-printing.h \
+    spydummy.h \
+    dummyclangipcclient.h \
+    testutils.h \
     mockclangcodemodelclient.h \
     mockclangcodemodelserver.h \
     mockrefactoringclient.h \
     mockrefactoringserver.h \
-    spydummy.h \
-    dummyclangipcclient.h \
-    matcher-diagnosticcontainer.h \
-    chunksreportedmonitor.h \
-    testutils.h \
+    refactoringclientcallbackmock.h
+
+!isEmpty($$LIBCLANG_LIBS) {
+HEADERS += \
     clangasyncjobtest.h \
-    refactoringclientcallbackmock.h \
+    chunksreportedmonitor.h \
+    matcher-diagnosticcontainer.h
+}
+
+!isEmpty($$LIBTOOLING_LIBS) {
+HEADERS += \
     filesystemutilities.h
+}
 
 OTHER_FILES += $$files(data/*)