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#include "googletest.h"

#include <sqlitecolumn.h>

namespace {

using Sqlite::ColumnType;
using Sqlite::ConstraintType;
using Sqlite::JournalMode;
using Sqlite::OpenMode;
using Column = Sqlite::Column;
using Sqlite::Enforment;
using Sqlite::ForeignKey;
using Sqlite::ForeignKeyAction;
using Sqlite::SqliteColumns;

class SqliteColumn : public ::testing::Test
{
protected:
    Sqlite::Column column;
};

TEST_F(SqliteColumn, DefaultConstruct)
{
    ASSERT_THAT(column,
                AllOf(Field(&Column::name, IsEmpty()),
                      Field(&Column::tableName, IsEmpty()),
                      Field(&Column::type, ColumnType::Numeric),
                      Field(&Column::constraints, IsEmpty())));
}

TEST_F(SqliteColumn, Clear)
{
    column.name = "foo";
    column.name = "foo";
    column.type = ColumnType::Text;
    column.constraints = {Sqlite::PrimaryKey{}};

    column.clear();

    ASSERT_THAT(column,
                AllOf(Field(&Column::name, IsEmpty()),
                      Field(&Column::tableName, IsEmpty()),
                      Field(&Column::type, ColumnType::Numeric),
                      Field(&Column::constraints, IsEmpty())));
}

TEST_F(SqliteColumn, Constructor)
{
    column = Sqlite::Column{"table",
                            "column",
                            ColumnType::Text,
                            {ForeignKey{"referencedTable",
                                        "referencedColumn",
                                        ForeignKeyAction::SetNull,
                                        ForeignKeyAction::Cascade,
                                        Enforment::Deferred}}};

    ASSERT_THAT(column,
                AllOf(Field(&Column::name, Eq("column")),
                      Field(&Column::tableName, Eq("table")),
                      Field(&Column::type, ColumnType::Text),
                      Field(&Column::constraints,
                            ElementsAre(VariantWith<ForeignKey>(
                                AllOf(Field(&ForeignKey::table, Eq("referencedTable")),
                                      Field(&ForeignKey::column, Eq("referencedColumn")),
                                      Field(&ForeignKey::updateAction, ForeignKeyAction::SetNull),
                                      Field(&ForeignKey::deleteAction, ForeignKeyAction::Cascade),
                                      Field(&ForeignKey::enforcement, Enforment::Deferred)))))));
}

TEST_F(SqliteColumn, FlatConstructor)
{
    column = Sqlite::Column{"table",
                            "column",
                            ColumnType::Text,
                            {ForeignKey{"referencedTable",
                                        "referencedColumn",
                                        ForeignKeyAction::SetNull,
                                        ForeignKeyAction::Cascade,
                                        Enforment::Deferred}}};

    ASSERT_THAT(column,
                AllOf(Field(&Column::name, Eq("column")),
                      Field(&Column::tableName, Eq("table")),
                      Field(&Column::type, ColumnType::Text),
                      Field(&Column::constraints,
                            ElementsAre(VariantWith<ForeignKey>(
                                AllOf(Field(&ForeignKey::table, Eq("referencedTable")),
                                      Field(&ForeignKey::column, Eq("referencedColumn")),
                                      Field(&ForeignKey::updateAction, ForeignKeyAction::SetNull),
                                      Field(&ForeignKey::deleteAction, ForeignKeyAction::Cascade),
                                      Field(&ForeignKey::enforcement, Enforment::Deferred)))))));
}

} // namespace