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LibSQL: Implement DESCRIBE TABLE tests

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This commit is contained in:
Mahmoud Mandour 2021-09-19 21:35:16 +02:00 • committed by Andreas Kling
parent f6233913ad
commit 794d79e315
2 changed files with 48 additions and 0 deletions
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22
Tests/LibSQL/TestSqlStatementExecution.cpp
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2021, Jan de Visser <jan@de-visser.net>
* Copyright (c) 2021, Mahmoud Mandour <ma.mandourr@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -677,4 +678,25 @@ TEST_CASE(select_with_offset_out_of_bounds)
EXPECT_EQ(rows.size(), 0u);
}
TEST_CASE(describe_table)
{
ScopeGuard guard([]() { unlink(db_name); });
auto database = SQL::Database::construct(db_name);
EXPECT(!database->open().is_error());
create_table(database);
auto result = execute(database, "DESCRIBE TABLE TestSchema.TestTable;");
EXPECT(result->error().code == SQL::SQLErrorCode::NoError);
EXPECT(result->has_results());
EXPECT_EQ(result->results().size(), 2u);
auto rows = result->results();
auto& row1 = rows[0];
EXPECT_EQ(row1.row[0].to_string(), "TEXTCOLUMN");
EXPECT_EQ(row1.row[1].to_string(), "text");
auto& row2 = rows[1];
EXPECT_EQ(row2.row[0].to_string(), "INTCOLUMN");
EXPECT_EQ(row2.row[1].to_string(), "int");
}
}

26
Tests/LibSQL/TestSqlStatementParser.cpp
View file

@ -1,6 +1,7 @@
/*
* Copyright (c) 2021, Tim Flynn <trflynn89@serenityos.org>
* Copyright (c) 2021, Jan de Visser <jan@de-visser.net>
* Copyright (c) 2021, Mahmoud Mandour <ma.mandourr@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -750,3 +751,28 @@ TEST_CASE(nested_subquery_limit)
EXPECT(!parse(String::formatted("SELECT * FROM {};", subquery)).is_error());
EXPECT(parse(String::formatted("SELECT * FROM ({});", subquery)).is_error());
}
TEST_CASE(describe_table)
{
EXPECT(parse("DESCRIBE").is_error());
EXPECT(parse("DESCRIBE;").is_error());
EXPECT(parse("DESCRIBE TABLE;").is_error());
EXPECT(parse("DESCRIBE table_name;").is_error());
auto validate = [](StringView sql, StringView expected_schema, StringView expected_table) {
auto result = parse(sql);
if (result.is_error())
outln("{}: {}", sql, result.error());
EXPECT(!result.is_error());
auto statement = result.release_value();
EXPECT(is<SQL::AST::DescribeTable>(*statement));
const auto& describe_table_statement = static_cast<const SQL::AST::DescribeTable&>(*statement);
EXPECT_EQ(describe_table_statement.qualified_table_name()->schema_name(), expected_schema);
EXPECT_EQ(describe_table_statement.qualified_table_name()->table_name(), expected_table);
};
validate("DESCRIBE TABLE TableName;", {}, "TABLENAME");
validate("DESCRIBE TABLE SchemaName.TableName;", "SCHEMANAME", "TABLENAME");
}