qt-creator/tests/unit/codemodelbackend/unittest/completionchunkstotextconvertertest.cpp

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

#include <codecompletionchunk.h>
#include <completionchunkstotextconverter.h>

namespace {

using CodeModelBackEnd::CodeCompletionChunk;

class CompletionChunksToTextConverter : public ::testing::Test
{
protected:
    ClangCodeModel::Internal::CompletionChunksToTextConverter converter;
    CodeCompletionChunk integerResultType{CodeCompletionChunk::ResultType, Utf8StringLiteral("int")};
    CodeCompletionChunk enumerationResultType{CodeCompletionChunk::ResultType, Utf8StringLiteral("Enumeration")};
    CodeCompletionChunk functionName{CodeCompletionChunk::TypedText, Utf8StringLiteral("Function")};
    CodeCompletionChunk variableName{CodeCompletionChunk::TypedText, Utf8StringLiteral("Variable")};
    CodeCompletionChunk enumeratorName{CodeCompletionChunk::TypedText, Utf8StringLiteral("Enumerator")};
    CodeCompletionChunk enumerationName{CodeCompletionChunk::TypedText, Utf8StringLiteral("Enumeration")};
    CodeCompletionChunk className{CodeCompletionChunk::TypedText, Utf8StringLiteral("Class")};
    CodeCompletionChunk leftParen{CodeCompletionChunk::LeftParen, Utf8StringLiteral("(")};
    CodeCompletionChunk rightParen{CodeCompletionChunk::LeftParen, Utf8StringLiteral(")")};
    CodeCompletionChunk comma{CodeCompletionChunk::Comma, Utf8StringLiteral(", ")};
    CodeCompletionChunk functionArgumentX{CodeCompletionChunk::Placeholder, Utf8StringLiteral("char x")};
    CodeCompletionChunk functionArgumentY{CodeCompletionChunk::Placeholder, Utf8StringLiteral("int y")};
    CodeCompletionChunk functionArgumentZ{CodeCompletionChunk::Placeholder, Utf8StringLiteral("int z")};
    CodeCompletionChunk optional{CodeCompletionChunk::Optional, Utf8String(), {comma, functionArgumentY, comma, functionArgumentZ}};
};

TEST_F(CompletionChunksToTextConverter, ParseIsClearingText)
{
    QVector<CodeCompletionChunk> completionChunks({integerResultType, functionName, leftParen, rightParen});
    converter.parseChunks(completionChunks);

    converter.parseChunks(completionChunks);

    ASSERT_THAT(converter.text(), QStringLiteral("int Function()"));
}

TEST_F(CompletionChunksToTextConverter, ConvertFunction)
{
    QVector<CodeCompletionChunk> completionChunks({integerResultType, functionName, leftParen, rightParen});

    converter.parseChunks(completionChunks);

    ASSERT_THAT(converter.text(), QStringLiteral("int Function()"));
}

TEST_F(CompletionChunksToTextConverter, ConvertFunctionWithParameters)
{
    QVector<CodeCompletionChunk> completionChunks({integerResultType, functionName, leftParen, functionArgumentX,rightParen});

    converter.parseChunks(completionChunks);

    ASSERT_THAT(converter.text(), QStringLiteral("int Function(char x)"));
}

TEST_F(CompletionChunksToTextConverter, ConvertFunctionWithOptionalParameter)
{
    QVector<CodeCompletionChunk> completionChunks({integerResultType, functionName, leftParen, functionArgumentX, optional,rightParen});

    converter.parseChunks(completionChunks);

    ASSERT_THAT(converter.text(), QStringLiteral("int Function(char x<i>, int y, int z</i>)"));
}

TEST_F(CompletionChunksToTextConverter, ConvertVariable)
{
    QVector<CodeCompletionChunk> completionChunks({integerResultType, variableName});

    converter.parseChunks(completionChunks);

    ASSERT_THAT(converter.text(), QStringLiteral("int Variable"));
}

TEST_F(CompletionChunksToTextConverter, Enumerator)
{
    QVector<CodeCompletionChunk> completionChunks({enumerationResultType, enumeratorName});

    converter.parseChunks(completionChunks);

    ASSERT_THAT(converter.text(), QStringLiteral("Enumeration Enumerator"));
}

TEST_F(CompletionChunksToTextConverter, Enumeration)
{
    QVector<CodeCompletionChunk> completionChunks({className});

    converter.parseChunks(completionChunks);

    ASSERT_THAT(converter.text(), QStringLiteral("Class"));
}

}