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Copyright (C) DeNA Co.,Ltd. All Rights Reserved.
4XJGUͰ1BSBNFUFSJ[FE5FTU
ΛͬͯΈͨ
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iOS Test Night #10
2019/4/16ʢTueʣ
ࡉপ ༞հ@DeNA
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"CPVU
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:VTVLF)PTPOVNB
• 48&5άϧʔϓ
⁃ ςετࣗಈԽɹJ04(P
• 'BWPSJUF
⁃
• ۙگ
⁃ USZ4XJGU50,:0Ͱొஃ
⁃ വؗʹཱྀߦʹߦ͖ͬͯͨʂ
Copyright (C) DeNA Co.,Ltd. All Rights Reserved.
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@tobi462ʢτϏʣ
SwiftCheckͰ࢝ΊΔ
Property-based Testing
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ࠓ͢͜ͱ
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1BSBNFUFSJ[FEUFTU
ΛͬͯΈͨ
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1BSBNFUFSJ[FEUFTUʁ
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Parameterized-Test
• ࣄલʹςετσʔλΛྻڍ͢Δॻ͖ํ
• ςετσʔλͷՃɾআ͕͍͢͠ͱ͍͏ར
• +6OJUͰඪ४Ͱαϙʔτ
• (PݴޠͰҰൠతͳॻ͖ํ
• ςʔϒϧۦಈςετͱݺΕͨΓ
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ͪΖΜ
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Λॻ͍ͯΈΔ͜ͱʹ͢Δͧʂ
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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)
}
}
}
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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)
}
}
}
ೖྗͱظͷλϓϧ
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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)
}
}
}
ྻͰςετσʔλΛ༻ҙ
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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)
}
}
}
ϧʔϓͰॱ൪ʹݕূ
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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)
}
}
}
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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)
}
}
}
ςετσʔλՃɾআָ͕ͩ͠ɺ
ݟ௨͠Α͍ؾ͕͢Δʂ
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ςετ͕ࣦഊͨ࣌͠
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͔͠͠
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ςετ͕ࣦഊͨ࣌͠
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ςετ͕ࣦഊͨ࣌͠
Τϥʔ͕ू͞Εͯ͠·͏
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ཧΛݴ͑ɺ͜ͷߦʹग़ͯཉ͍͠
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ΤϥʔදࣔͷҐஔࢦఆͰ͖Δ
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࣮
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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")
}
}
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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")
}
}
ۭจࣈྻͰ͋Δ͜ͱΛݕূ
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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")
}
}
ݺͼग़͠ݩͷϑΝΠϧɾߦΛऔಘ
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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")
}
}
ҾͰ͢
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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")
}
}
ࣦഊ͢ΔσʔλͰ࣮ߦ͢Δͱɻɻ
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ಠࣗͷΞαʔγϣϯ
ݺͼग़͠ݩʹΤϥʔදࣔ͞Εͨʂ
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ಠࣗͷΞαʔγϣϯ
ݺͼग़͠ݩʹΤϥʔදࣔ͞Εͨʂ
͜ΕͰվળͰ͖ͦ͏ͩͧʂ
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1BSBNFUFSJ[FE5FTU
Λվળͯ͠ΈΔ
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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)
}
}
}
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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)
}
}
}
֤λϓϧʹMJOFΛՃͯ͠
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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)
}
}
}
"TTFSUJPOؔʹ͢
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վળ൛ Parameterized Test
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վળ൛ Parameterized Test
ࣦഊͨ͠Ґஔ͕͔Γ͍͢ʂ
͜Ε͕ސ٬ͷٻΊ͍ͯͨͷ
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MJOF͢Βॻ͖ͨ͘ͳ͍
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ސ٬
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MJOF͢Βॻ͖ͨ͘ͳ͍
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ސ٬
OSS Խɺܾఆʂ
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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"),
])
}
}
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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"),
])
}
}
ݕূରͷؔΛࢦఆͯ͠
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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"),
])
}
}
ݕূ͢ΔೖྗɾظΛྻڍ
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ͷߟ͑ͨ࠷ڧͷ Parameterized Test
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ͷߟ͑ͨ࠷ڧͷ Parameterized Test
https://github.com/
YusukeHosonuma/SwiftParamTest
ɺผʹελʔ͕ཉ͍͠Θ͚͡Ό
ͳ͍Μ͔ͩΒͶ///
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·ͱΊ
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·ͱΊ
• 1BSBNFUFSJ[FE5FTUσʔλΛྻڍ͢ΔΑ͏ͳ
ςετίʔυͷॻ͖ํ
• 9$5FTU4XJGUͰॻ͚Δ
• 9$5"TTFSUܥΤϥʔҐஔΛ੍ޚͰ͖Δ
• Α͔ͬͨΒ044ͬͯΈͯͶʂ
ΞΠσΟΞͱ͔ืूʂɹ5XJUUFS!UPCJ
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1BSBNFUFSJ[FEUFTU
CFHJOOJOHXJUI
4XJGU1BSBN5FTU
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