291 lines
13 KiB
Swift
291 lines
13 KiB
Swift
import XCTest
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import GRDB
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private enum CustomValue : Int, DatabaseValueConvertible, Equatable {
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case a = 0
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case b = 1
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case c = 2
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}
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class RowCopiedFromStatementTests: RowTestCase {
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func testRowAsSequence() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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try db.execute(sql: "CREATE TABLE ints (a INTEGER, b INTEGER, c INTEGER)")
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try db.execute(sql: "INSERT INTO ints (a,b,c) VALUES (0, 1, 2)")
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let row = try Row.fetchOne(db, sql: "SELECT * FROM ints")!
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var columnNames = [String]()
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var ints = [Int]()
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var bools = [Bool]()
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for (columnName, dbValue) in row {
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columnNames.append(columnName)
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ints.append(Int.fromDatabaseValue(dbValue)!)
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bools.append(Bool.fromDatabaseValue(dbValue)!)
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}
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XCTAssertEqual(columnNames, ["a", "b", "c"])
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XCTAssertEqual(ints, [0, 1, 2])
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XCTAssertEqual(bools, [false, true, true])
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}
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}
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func testRowValueAtIndex() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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try db.execute(sql: "CREATE TABLE ints (a INTEGER, b INTEGER, c INTEGER)")
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try db.execute(sql: "INSERT INTO ints (a,b,c) VALUES (0, 1, 2)")
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let row = try Row.fetchOne(db, sql: "SELECT * FROM ints")!
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// Raw extraction
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assertRowRawValueEqual(row, index: 0, value: 0 as Int64)
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assertRowRawValueEqual(row, index: 1, value: 1 as Int64)
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assertRowRawValueEqual(row, index: 2, value: 2 as Int64)
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// DatabaseValueConvertible & StatementColumnConvertible
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assertRowConvertedValueEqual(row, index: 0, value: 0 as Int)
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assertRowConvertedValueEqual(row, index: 1, value: 1 as Int)
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assertRowConvertedValueEqual(row, index: 2, value: 2 as Int)
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// DatabaseValueConvertible
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assertRowConvertedValueEqual(row, index: 0, value: CustomValue.a)
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assertRowConvertedValueEqual(row, index: 1, value: CustomValue.b)
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assertRowConvertedValueEqual(row, index: 2, value: CustomValue.c)
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// Expect fatal error:
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//
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// row[-1]
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// row[3]
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}
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}
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func testRowValueNamed() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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try db.execute(sql: "CREATE TABLE ints (a INTEGER, b INTEGER, c INTEGER)")
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try db.execute(sql: "INSERT INTO ints (a,b,c) VALUES (0, 1, 2)")
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let row = try Row.fetchOne(db, sql: "SELECT * FROM ints")!
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// Raw extraction
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assertRowRawValueEqual(row, name: "a", value: 0 as Int64)
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assertRowRawValueEqual(row, name: "b", value: 1 as Int64)
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assertRowRawValueEqual(row, name: "c", value: 2 as Int64)
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// DatabaseValueConvertible & StatementColumnConvertible
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assertRowConvertedValueEqual(row, name: "a", value: 0 as Int)
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assertRowConvertedValueEqual(row, name: "b", value: 1 as Int)
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assertRowConvertedValueEqual(row, name: "c", value: 2 as Int)
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// DatabaseValueConvertible
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assertRowConvertedValueEqual(row, name: "a", value: CustomValue.a)
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assertRowConvertedValueEqual(row, name: "b", value: CustomValue.b)
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assertRowConvertedValueEqual(row, name: "c", value: CustomValue.c)
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}
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}
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func testRowValueFromColumn() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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try db.execute(sql: "CREATE TABLE ints (a INTEGER, b INTEGER, c INTEGER)")
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try db.execute(sql: "INSERT INTO ints (a,b,c) VALUES (0, 1, 2)")
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let row = try Row.fetchOne(db, sql: "SELECT * FROM ints")!
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// Raw extraction
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assertRowRawValueEqual(row, column: Column("a"), value: 0 as Int64)
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assertRowRawValueEqual(row, column: Column("b"), value: 1 as Int64)
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assertRowRawValueEqual(row, column: Column("c"), value: 2 as Int64)
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// DatabaseValueConvertible & StatementColumnConvertible
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assertRowConvertedValueEqual(row, column: Column("a"), value: 0 as Int)
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assertRowConvertedValueEqual(row, column: Column("b"), value: 1 as Int)
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assertRowConvertedValueEqual(row, column: Column("c"), value: 2 as Int)
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// DatabaseValueConvertible
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assertRowConvertedValueEqual(row, column: Column("a"), value: CustomValue.a)
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assertRowConvertedValueEqual(row, column: Column("b"), value: CustomValue.b)
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assertRowConvertedValueEqual(row, column: Column("c"), value: CustomValue.c)
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}
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}
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func testWithUnsafeData() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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let data = "foo".data(using: .utf8)!
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let emptyData = Data()
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let row = try Row.fetchOne(db, sql: "SELECT ? AS a, ? AS b, ? AS c", arguments: [data, emptyData, nil])!
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try row.withUnsafeData(atIndex: 0) { XCTAssertEqual($0, data) }
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try row.withUnsafeData(named: "a") { XCTAssertEqual($0, data) }
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try row.withUnsafeData(at: Column("a")) { XCTAssertEqual($0, data) }
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try row.withUnsafeData(atIndex: 1) { XCTAssertEqual($0, emptyData) }
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try row.withUnsafeData(named: "b") { XCTAssertEqual($0, emptyData) }
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try row.withUnsafeData(at: Column("b")) { XCTAssertEqual($0, emptyData) }
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try row.withUnsafeData(atIndex: 2) { XCTAssertNil($0) }
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try row.withUnsafeData(named: "c") { XCTAssertNil($0) }
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try row.withUnsafeData(at: Column("c")) { XCTAssertNil($0) }
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try row.withUnsafeData(named: "missing") { XCTAssertNil($0) }
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try row.withUnsafeData(at: Column("missing")) { XCTAssertNil($0) }
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}
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}
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func testRowDatabaseValueAtIndex() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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let row = try Row.fetchOne(db, sql: "SELECT NULL, 1, 1.1, 'foo', x'53514C697465'")!
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guard case .null = (row[0] as DatabaseValue).storage else { XCTFail(); return }
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guard case .int64(let int64) = (row[1] as DatabaseValue).storage, int64 == 1 else { XCTFail(); return }
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guard case .double(let double) = (row[2] as DatabaseValue).storage, double == 1.1 else { XCTFail(); return }
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guard case .string(let string) = (row[3] as DatabaseValue).storage, string == "foo" else { XCTFail(); return }
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guard case .blob(let data) = (row[4] as DatabaseValue).storage, data == "SQLite".data(using: .utf8) else { XCTFail(); return }
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}
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}
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func testRowDatabaseValueNamed() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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let row = try Row.fetchOne(db, sql: "SELECT NULL AS \"null\", 1 AS \"int64\", 1.1 AS \"double\", 'foo' AS \"string\", x'53514C697465' AS \"blob\"")!
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guard case .null = (row["null"] as DatabaseValue).storage else { XCTFail(); return }
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guard case .int64(let int64) = (row["int64"] as DatabaseValue).storage, int64 == 1 else { XCTFail(); return }
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guard case .double(let double) = (row["double"] as DatabaseValue).storage, double == 1.1 else { XCTFail(); return }
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guard case .string(let string) = (row["string"] as DatabaseValue).storage, string == "foo" else { XCTFail(); return }
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guard case .blob(let data) = (row["blob"] as DatabaseValue).storage, data == "SQLite".data(using: .utf8) else { XCTFail(); return }
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}
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}
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func testRowCount() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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try db.execute(sql: "CREATE TABLE ints (a INTEGER, b INTEGER, c INTEGER)")
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try db.execute(sql: "INSERT INTO ints (a,b,c) VALUES (0, 1, 2)")
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let row = try Row.fetchOne(db, sql: "SELECT * FROM ints")!
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XCTAssertEqual(row.count, 3)
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}
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}
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func testRowColumnNames() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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try db.execute(sql: "CREATE TABLE ints (a INTEGER, b INTEGER, c INTEGER)")
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try db.execute(sql: "INSERT INTO ints (a,b,c) VALUES (0, 1, 2)")
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let row = try Row.fetchOne(db, sql: "SELECT a, b, c FROM ints")!
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XCTAssertEqual(Array(row.columnNames), ["a", "b", "c"])
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}
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}
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func testRowDatabaseValues() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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try db.execute(sql: "CREATE TABLE ints (a INTEGER, b INTEGER, c INTEGER)")
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try db.execute(sql: "INSERT INTO ints (a,b,c) VALUES (0, 1, 2)")
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let row = try Row.fetchOne(db, sql: "SELECT a, b, c FROM ints")!
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XCTAssertEqual(Array(row.databaseValues), [0.databaseValue, 1.databaseValue, 2.databaseValue])
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}
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}
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func testRowIsCaseInsensitive() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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let row = try Row.fetchOne(db, sql: "SELECT 'foo' AS nAmE")!
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XCTAssertEqual(row["name"] as DatabaseValue, "foo".databaseValue)
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XCTAssertEqual(row["NAME"] as DatabaseValue, "foo".databaseValue)
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XCTAssertEqual(row["NaMe"] as DatabaseValue, "foo".databaseValue)
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XCTAssertEqual(row["name"] as String, "foo")
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XCTAssertEqual(row["NAME"] as String, "foo")
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XCTAssertEqual(row["NaMe"] as String, "foo")
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}
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}
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func testRowIsCaseInsensitiveAndReturnsLeftmostMatchingColumn() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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let row = try Row.fetchOne(db, sql: "SELECT 1 AS name, 2 AS NAME")!
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XCTAssertEqual(row["name"] as DatabaseValue, 1.databaseValue)
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XCTAssertEqual(row["NAME"] as DatabaseValue, 1.databaseValue)
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XCTAssertEqual(row["NaMe"] as DatabaseValue, 1.databaseValue)
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XCTAssertEqual(row["name"] as Int, 1)
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XCTAssertEqual(row["NAME"] as Int, 1)
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XCTAssertEqual(row["NaMe"] as Int, 1)
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}
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}
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func testMissingColumn() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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let row = try Row.fetchOne(db, sql: "SELECT 'foo' AS name")!
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XCTAssertFalse(row.hasColumn("missing"))
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XCTAssertTrue(row["missing"] as DatabaseValue? == nil)
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XCTAssertTrue(row["missing"] == nil)
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}
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}
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func testRowHasColumnIsCaseInsensitive() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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let row = try Row.fetchOne(db, sql: "SELECT 'foo' AS nAmE, 1 AS foo")!
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XCTAssertTrue(row.hasColumn("name"))
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XCTAssertTrue(row.hasColumn("NAME"))
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XCTAssertTrue(row.hasColumn("Name"))
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XCTAssertTrue(row.hasColumn("NaMe"))
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XCTAssertTrue(row.hasColumn("foo"))
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XCTAssertTrue(row.hasColumn("Foo"))
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XCTAssertTrue(row.hasColumn("FOO"))
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}
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}
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func testScopes() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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let row = try Row.fetchOne(db, sql: "SELECT 'foo' AS nAmE, 1 AS foo")!
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XCTAssertTrue(row.scopes.isEmpty)
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XCTAssertTrue(row.scopes["missing"] == nil)
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XCTAssertTrue(row.scopesTree["missing"] == nil)
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}
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}
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func testCopy() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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try db.execute(sql: "CREATE TABLE ints (a INTEGER, b INTEGER, c INTEGER)")
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try db.execute(sql: "INSERT INTO ints (a,b,c) VALUES (0, 1, 2)")
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let row = try Row.fetchOne(db, sql: "SELECT * FROM ints")!
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let copiedRow = row.copy()
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XCTAssertEqual(copiedRow.count, 3)
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XCTAssertEqual(copiedRow["a"] as Int, 0)
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XCTAssertEqual(copiedRow["b"] as Int, 1)
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XCTAssertEqual(copiedRow["c"] as Int, 2)
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}
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}
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func testEqualityWithCopy() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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try db.execute(sql: "CREATE TABLE ints (a INTEGER, b INTEGER, c INTEGER)")
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try db.execute(sql: "INSERT INTO ints (a,b,c) VALUES (0, 1, 2)")
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let row = try Row.fetchOne(db, sql: "SELECT * FROM ints")!
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let copiedRow = row.copy()
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XCTAssertEqual(row, copiedRow)
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}
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}
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func testDescription() throws {
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let dbQueue = try makeDatabaseQueue()
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try dbQueue.inDatabase { db in
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let row = try Row.fetchOne(db, sql: "SELECT NULL AS \"null\", 1 AS \"int\", 1.1 AS \"double\", 'foo' AS \"string\", x'53514C697465' AS \"data\"")!
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XCTAssertEqual(row.description, "[null:NULL int:1 double:1.1 string:\"foo\" data:Data(6 bytes)]")
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XCTAssertEqual(row.debugDescription, "[null:NULL int:1 double:1.1 string:\"foo\" data:Data(6 bytes)]")
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}
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}
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}
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