Swift で ParameterizedTest をやってみた話/swift-parameterized-test

Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 4XJGUͰ1BSBNFUFSJ[FE5FTU Λ΍ͬͯΈͨ࿩ 1
iOS Test Night #10 2019/4/16ʢTueʣ   ࡉপ ༞հ@DeNA

:VTVLF)PTPOVNB • 48&5άϧʔϓ ⁃ ςετࣗಈԽɹJ04(P • 'BWPSJUF ⁃ •
ۙگ ⁃ USZ4XJGU50,:0Ͱొஃ ⁃ വؗʹཱྀߦʹߦ͖ͬͯͨʂ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 3 @tobi462ʢτϏʣ SwiftCheckͰ࢝ΊΔ Property-based Testing

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Reserved.

7 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Parameterized-Test •
ࣄલʹςετσʔλΛྻڍ͢Δॻ͖ํ • ςετσʔλͷ௥Ճɾ࡟আ͕͠΍͍͢ͱ͍͏ར఺ • +6OJUͰ͸ඪ४Ͱαϙʔτ • (PݴޠͰ͸Ұൠతͳॻ͖ํ • ςʔϒϧۦಈςετͱݺ͹ΕͨΓ

11 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. XCTest Ͱ
Parameterized Test class ParamTests: XCTestCase { func testParams() { let tests: [(args: Int, expect: String)] = [ (1, "1"), (2, "2"), (3, "Fizz"), (4, "4"), (5, "Buzz"), (6, "6"), ] for (args, expect) in tests { let result = fizzBuzz(args) XCTAssertEqual(expect, result) } } }

Parameterized Test class ParamTests: XCTestCase { func testParams() { let tests: [(args: Int, expect: String)] = [ (1, "1"), (2, "2"), (3, "Fizz"), (4, "4"), (5, "Buzz"), (6, "6"), ] for (args, expect) in tests { let result = fizzBuzz(args) XCTAssertEqual(expect, result) } } } ೖྗ஋ͱظ଴஋ͷλϓϧ

Parameterized Test class ParamTests: XCTestCase { func testParams() { let tests: [(args: Int, expect: String)] = [ (1, "1"), (2, "2"), (3, "Fizz"), (4, "4"), (5, "Buzz"), (6, "6"), ] for (args, expect) in tests { let result = fizzBuzz(args) XCTAssertEqual(expect, result) } } } ഑ྻͰςετσʔλΛ༻ҙ

Parameterized Test class ParamTests: XCTestCase { func testParams() { let tests: [(args: Int, expect: String)] = [ (1, "1"), (2, "2"), (3, "Fizz"), (4, "4"), (5, "Buzz"), (6, "6"), ] for (args, expect) in tests { let result = fizzBuzz(args) XCTAssertEqual(expect, result) } } } ϧʔϓͰॱ൪ʹݕূ

Parameterized Test class ParamTests: XCTestCase { func testParams() { let tests: [(args: Int, expect: String)] = [ (1, "1"), (2, "2"), (3, "Fizz"), (4, "4"), (5, "Buzz"), (6, "6"), ] for (args, expect) in tests { let result = fizzBuzz(args) XCTAssertEqual(expect, result) } } }

Parameterized Test class ParamTests: XCTestCase { func testParams() { let tests: [(args: Int, expect: String)] = [ (1, "1"), (2, "2"), (3, "Fizz"), (4, "4"), (5, "Buzz"), (6, "6"), ] for (args, expect) in tests { let result = fizzBuzz(args) XCTAssertEqual(expect, result) } } } ςετσʔλ௥Ճɾ࡟আָ͕ͩ͠ɺ ݟ௨͠΋Α͍ؾ͕͢Δʂ

9$5FTUͰ ΤϥʔදࣔͷҐஔ͸ࢦఆͰ͖Δ 21 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.
࣮͸

22 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ಠࣗͷΞαʔγϣϯ func
assertEmpty(_ s: String, file: StaticString = #file, line: UInt = #line) { XCTAssert(s.isEmpty, file: file, line: line) } class AssertTests: XCTestCase { func testEmpty() { assertEmpty("Swift") } }

assertEmpty(_ s: String, file: StaticString = #file, line: UInt = #line) { XCTAssert(s.isEmpty, file: file, line: line) } class AssertTests: XCTestCase { func testEmpty() { assertEmpty("Swift") } } ۭจࣈྻͰ͋Δ͜ͱΛݕূ

assertEmpty(_ s: String, file: StaticString = #file, line: UInt = #line) { XCTAssert(s.isEmpty, file: file, line: line) } class AssertTests: XCTestCase { func testEmpty() { assertEmpty("Swift") } } ݺͼग़͠ݩͷϑΝΠϧɾߦ਺Λऔಘ

assertEmpty(_ s: String, file: StaticString = #file, line: UInt = #line) { XCTAssert(s.isEmpty, file: file, line: line) } class AssertTests: XCTestCase { func testEmpty() { assertEmpty("Swift") } } Ҿ਺Ͱ౉͢

assertEmpty(_ s: String, file: StaticString = #file, line: UInt = #line) { XCTAssert(s.isEmpty, file: file, line: line) } class AssertTests: XCTestCase { func testEmpty() { assertEmpty("Swift") } } ࣦഊ͢ΔσʔλͰ࣮ߦ͢Δͱɻɻ

28 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ಠࣗͷΞαʔγϣϯ ݺͼग़͠ݩʹΤϥʔදࣔ͞Εͨʂ
͜ΕͰվળͰ͖ͦ͏ͩͧʂ

30 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. վળ൛ Parameterized
Test class ParamTests: XCTestCase { func testParams() { let tests: [(line: UInt, args: Int, expect: String)] = [ (#line, 1, "1"), (#line, 2, "2"), (#line, 3, "Fizz"), (#line, 4, "4"), (#line, 5, "Buzz"), (#line, 6, "6"), ] for (line, args, expect) in tests { let result = fizzBuzz(args) XCTAssertEqual(expect, result, line: line) } } }

Test class ParamTests: XCTestCase { func testParams() { let tests: [(line: UInt, args: Int, expect: String)] = [ (#line, 1, "1"), (#line, 2, "2"), (#line, 3, "Fizz"), (#line, 4, "4"), (#line, 5, "Buzz"), (#line, 6, "6"), ] for (line, args, expect) in tests { let result = fizzBuzz(args) XCTAssertEqual(expect, result, line: line) } } } ֤λϓϧʹMJOFΛ௥Ճͯ͠

Test class ParamTests: XCTestCase { func testParams() { let tests: [(line: UInt, args: Int, expect: String)] = [ (#line, 1, "1"), (#line, 2, "2"), (#line, 3, "Fizz"), (#line, 4, "4"), (#line, 5, "Buzz"), (#line, 6, "6"), ] for (line, args, expect) in tests { let result = fizzBuzz(args) XCTAssertEqual(expect, result, line: line) } } } "TTFSUJPOؔ਺ʹ౉͢

Test

Test ࣦഊͨ͠Ґஔ͕෼͔Γ΍͍͢ʂ ͜Ε͕ސ٬ͷٻΊ͍ͯͨ΋ͷ

37 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ๻ͷߟ͑ͨ࠷ڧͷ Parameterized
Test class ParamTests: XCTestCase { func testFizzBuzz() { assert(fizzBuzz).forAll([ when(1, then: "1"), when(2, then: "2"), when(3, then: "Fizz"), when(4, then: "4"), when(5, then: "Buzz"), when(6, then: "6"), ]) } }

Test class ParamTests: XCTestCase { func testFizzBuzz() { assert(fizzBuzz).forAll([ when(1, then: "1"), when(2, then: "2"), when(3, then: "Fizz"), when(4, then: "4"), when(5, then: "Buzz"), when(6, then: "6"), ]) } } ݕূର৅ͷؔ਺Λࢦఆͯ͠

Test class ParamTests: XCTestCase { func testFizzBuzz() { assert(fizzBuzz).forAll([ when(1, then: "1"), when(2, then: "2"), when(3, then: "Fizz"), when(4, then: "4"), when(5, then: "Buzz"), when(6, then: "6"), ]) } } ݕূ͢Δೖྗ஋ɾظ଴஋Λྻڍ

Test

Test https://github.com/ YusukeHosonuma/SwiftParamTest ΂ɺผʹελʔ͕ཉ͍͠Θ͚͡Ό ͳ͍Μ͔ͩΒͶ///

Swift で ParameterizedTest をやってみた話/swift-parameterized-test

Swift で ParameterizedTest をやってみた話/swift-parameterized-test

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