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#include "googletest.h"

#include <mocksqlitedatabase.h>

#include <refactoringdatabaseinitializer.h>

namespace {

using Initializer = ClangBackEnd::RefactoringDatabaseInitializer<NiceMock<MockSqliteDatabase>>;

using Sqlite::Table;

class RefactoringDatabaseInitializer : public testing::Test
{
protected:
    NiceMock<MockMutex> mockMutex;
    NiceMock<MockSqliteDatabase> mockDatabase{mockMutex};
    Initializer initializer{mockDatabase};
};

TEST_F(RefactoringDatabaseInitializer, AddSymbolsTable)
{
    InSequence s;

    EXPECT_CALL(mockDatabase, execute(Eq("CREATE TABLE IF NOT EXISTS symbols(symbolId INTEGER PRIMARY KEY, usr TEXT, symbolName TEXT)")));
    EXPECT_CALL(mockDatabase, execute(Eq("CREATE INDEX IF NOT EXISTS index_symbols_usr ON symbols(usr)")));

    initializer.createSymbolsTable();
}

TEST_F(RefactoringDatabaseInitializer, AddLocationsTable)
{
    InSequence s;

    EXPECT_CALL(mockDatabase, execute(Eq("CREATE TABLE IF NOT EXISTS locations(symbolId INTEGER, line INTEGER, column INTEGER, sourceId INTEGER)")));
    EXPECT_CALL(mockDatabase, execute(Eq("CREATE INDEX IF NOT EXISTS index_locations_sourceId ON locations(sourceId)")));

    initializer.createLocationsTable();
}

TEST_F(RefactoringDatabaseInitializer, AddSourcesTable)
{
    InSequence s;

    EXPECT_CALL(mockDatabase, execute(Eq("CREATE TABLE IF NOT EXISTS sources(sourceId INTEGER PRIMARY KEY, sourcePath TEXT)")));

    initializer.createSourcesTable();
}


TEST_F(RefactoringDatabaseInitializer, CreateInTheContructor)
{
    InSequence s;

    EXPECT_CALL(mockMutex, lock());
    EXPECT_CALL(mockDatabase, execute(Eq("BEGIN IMMEDIATE")));
    EXPECT_CALL(mockDatabase, execute(Eq("CREATE TABLE IF NOT EXISTS symbols(symbolId INTEGER PRIMARY KEY, usr TEXT, symbolName TEXT)")));
    EXPECT_CALL(mockDatabase, execute(Eq("CREATE INDEX IF NOT EXISTS index_symbols_usr ON symbols(usr)")));
    EXPECT_CALL(mockDatabase, execute(Eq("CREATE TABLE IF NOT EXISTS locations(symbolId INTEGER, line INTEGER, column INTEGER, sourceId INTEGER)")));
    EXPECT_CALL(mockDatabase, execute(Eq("CREATE INDEX IF NOT EXISTS index_locations_sourceId ON locations(sourceId)")));
    EXPECT_CALL(mockDatabase, execute(Eq("CREATE TABLE IF NOT EXISTS sources(sourceId INTEGER PRIMARY KEY, sourcePath TEXT)")));
    EXPECT_CALL(mockDatabase, execute(Eq("COMMIT")));
    EXPECT_CALL(mockMutex, unlock());

    Initializer initializer{mockDatabase};
}
}