qt-creator/tests/unit/unittest/temporarymodifiedunsavedfilestest.cpp

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#include <filecontainer.h>
#include <temporarymodifiedunsavedfiles.h>
#include <unsavedfiles.h>

#include <gmock/gmock.h>
#include <gmock/gmock-matchers.h>
#include <gtest/gtest.h>
#include "gtest-qt-printing.h"

using ClangBackEnd::FileContainer;
using ClangBackEnd::TemporaryModifiedUnsavedFiles;
using ClangBackEnd::UnsavedFiles;

using testing::Eq;

namespace {

class TemporaryModifiedUnsavedFiles : public ::testing::Test
{
protected:
    ClangBackEnd::UnsavedFiles unsavedFiles;

    FileContainer fileContainer{Utf8StringLiteral("file1.h"),
                                Utf8StringLiteral("projectPartId"),
                                Utf8StringLiteral("void f() { foo. }"),
                                true};

    Utf8String someNotExistingFilePath{Utf8StringLiteral("nonExistingFile.cpp")};
};

TEST_F(TemporaryModifiedUnsavedFiles, HasZeroFilesOnCreation)
{
    ::TemporaryModifiedUnsavedFiles files(unsavedFiles.cxUnsavedFileVector());

    ASSERT_THAT(files.count(), Eq(0L));
}

TEST_F(TemporaryModifiedUnsavedFiles, HasOneFileAfterCreatingOne)
{
    unsavedFiles.createOrUpdate({fileContainer});

    ::TemporaryModifiedUnsavedFiles files(unsavedFiles.cxUnsavedFileVector());

    ASSERT_THAT(files.count(), Eq(1L));
}

TEST_F(TemporaryModifiedUnsavedFiles, ReplaceIndicatesFailureOnNonExistingUnsavedFile)
{
    ::TemporaryModifiedUnsavedFiles files(unsavedFiles.cxUnsavedFileVector());
    const uint someOffset = 0;
    const uint someLength = 1;
    const auto someReplacement = Utf8StringLiteral("->");

    const bool replaced = files.replaceInFile(someNotExistingFilePath,
                                              someOffset,
                                              someLength,
                                              someReplacement);

    ASSERT_FALSE(replaced);
}

TEST_F(TemporaryModifiedUnsavedFiles, ReplaceDotWithArrow)
{
    unsavedFiles.createOrUpdate({fileContainer});
    ::TemporaryModifiedUnsavedFiles files(unsavedFiles.cxUnsavedFileVector());
    const uint offset = 14;
    const uint length = 1;
    const auto replacement = Utf8StringLiteral("->");

    const bool replacedSuccessfully = files.replaceInFile(fileContainer.filePath(),
                                                          offset,
                                                          length,
                                                          replacement);

    CXUnsavedFile cxUnsavedFile = files.cxUnsavedFileAt(0);
    ASSERT_TRUE(replacedSuccessfully);
    ASSERT_THAT(Utf8String::fromUtf8(cxUnsavedFile.Contents),
                Eq(Utf8StringLiteral("void f() { foo-> }")));
}

} // anonymous