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XUTP͔ΒֶͿ
هड़ੑͷߴ͍
Ϣχοτςετ
ʙԶͨͪΛॿ͚ΔϢχοτςετʙ
ߴڮཅଠ(a.k.a. @PoohSunny)
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ߴڮ ཅଠ(@PoohSunny)
{
team: ["ͨΒ͍͘", "ͱΒʔΏ"],
role: "Engineer team leader",
lang: ["Java", "Groovy", "Swift"]
}
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εϥΠυ
ެ։ࡁΈͰ͢
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QCDͷτϨʔυΦϑͳΜͯ
ຊͳ͔ͬͨΜͩ1
1 http://i2key.hateblo.jp/entry/2017/05/15/082655
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ࣗಈςετͩͬͯҰॹ2
2 http://xunitpatterns.com/Goals%20of%20Test%20Automation.html
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ςετ
ॻ͍ͯ·͔͢ʔʁ
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ʮ্खʹʯ
ςετ
ॻ͍ͯ·͔͢ʔʁ
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΄Μ·͢·Μ͔ͬͨ
class WorkingTimeCalculatorTest {
@Test
void ਖ਼ৗܥͷςετ() throws Exception {
// (ུ)
Contract contract = new Contract();
User targetUser = new User(contract);
LocalDateTime workingStartTime1 = LocalDateTime.of(2017, 9, 1, 10, 00);
LocalDateTime workingEndTime1 = LocalDateTime.of(2017, 9, 1, 18, 00);
LocalDateTime workingStartTime2 = LocalDateTime.of(2017, 9, 1, 22, 00);
LocalDateTime workingEndTime2 = LocalDateTime.of(2017, 9, 2, 4, 00);
WorkingTimeCalculator target = new WorkingTimeCalculator(targetUser,
workingStartTime1,
workingEndTime1,
workingStartTime2,
workingEndTime2);
Class c = WorkingTimeCalculator.class;
Method m = c.getDeclaredMethod("calculation", null);
m.setAccessible(true);
m.invoke(target, null);
CalculationResult result = target.getCaluculationResult();
assertEquals(720, result.getWorkTime());
List breakTimeList = result.getBreakTimeList();
assertEquals(2, breakTimeList.size());
assertEquals(60, breakTimeList[0]);
assertEquals(45, breakTimeList[1]);
}
}
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xUTPͱͷग़ձ͍
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ޙ3
3 photo: https://www.flickr.com/photos/daverusso88/20860542330/in/photolist-
xMnJsW-8H8jnW-8BDdLz-fS9XhN-e3qtWG-oaibHC-eRMCCx-q9Ftni-n7Lmvm-supyFV-gXyxGZ-
fEKqSK-sqqxce-sfR8k1-q7N9Ta-dDw4Zq-9ML2MP-oa6sWm-J5F4zN-4vX6LP-nW3r1Q-
rF4QJJ-8BWJj9-A1MjG7-sqqpKR-HgcdWN-7Dy6QC-s7M3Dn-w2RjN3-TZXibu-mMD2tR-o9TZi6-
shS8mE-hWRzr-WJPkXw-xe6Rnv-DWz4Ra-yGju6j-fkfg3o-ghz6JD-wR4HYP-7xhvzK-rN2UEW-
krfJu3-Duju1z-FSwQ8h-8yNSK2-4vXc2a-DaLuo5-zZyYuS
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xUTPͱͷग़ձ͍(ཧ)4
4 ಈը: https://engineers.sg/video/unit-test-craftsmanship-agile-singapore-
conference-2016--1168
εϥΠυ: http://singapore2016.xunitpatterns.com/
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xUTPͷྗΛआΓͯ
ςετΛୟ͖͢
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ͳΜͷͨΊͷ
ςετࣗಈԽʁ
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ςετͷʮ͖ʯ
• ςετ[্࣭, SUTͷཧղ, ϦεΫݮগ]Λ
ॿ͚Δ
• ςετ[࣮ߦ, ϝϯςφϯε, هड़]͕༰қ5
5 http://xunitpatterns.com/Goals%20of%20Test%20Automation.html͔Βཁ
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هड़
ཧղ
ϝϯςφϯε
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·ͣΔ͜ͱ
class WorkingTimeCalculatorTest {
@Test
void ਖ਼ৗܥͷςετ() throws Exception {
// (ུ)
Contract contract = new Contract();
User targetUser = new User(contract);
LocalDateTime workingStartTime1 = LocalDateTime.of(2017, 9, 1, 10, 00);
LocalDateTime workingEndTime1 = LocalDateTime.of(2017, 9, 1, 18, 00);
LocalDateTime workingStartTime2 = LocalDateTime.of(2017, 9, 1, 22, 00);
LocalDateTime workingEndTime2 = LocalDateTime.of(2017, 9, 2, 4, 00);
WorkingTimeCalculator target = new WorkingTimeCalculator(targetUser,
workingStartTime1,
workingEndTime1,
workingStartTime2,
workingEndTime2);
Class c = WorkingTimeCalculator.class;
Method m = c.getDeclaredMethod("calculation", null);
m.setAccessible(true);
m.invoke(target, null);
CalculationResult result = target.getCaluculationResult();
assertEquals(720, result.getWorkTime());
List breakTimeList = result.getBreakTimeList();
assertEquals(2, breakTimeList.size());
assertEquals(60, breakTimeList[0]);
assertEquals(45, breakTimeList[1]);
}
}
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͜Εͳʹͯ͠Δͷʁ
class WorkingTimeCalculatorTest {
@Test
void ਖ਼ৗܥͷςετ() throws Exception {
// (ུ)
Contract contract = new Contract();
User targetUser = new User(contract);
LocalDateTime workingStartTime1 = LocalDateTime.of(2017, 9, 1, 10, 00);
LocalDateTime workingEndTime1 = LocalDateTime.of(2017, 9, 1, 18, 00);
LocalDateTime workingStartTime2 = LocalDateTime.of(2017, 9, 1, 22, 00);
LocalDateTime workingEndTime2 = LocalDateTime.of(2017, 9, 2, 4, 00);
WorkingTimeCalculator target = new WorkingTimeCalculator(targetUser,
workingStartTime1,
workingEndTime1,
workingStartTime2,
workingEndTime2);
Class c = WorkingTimeCalculator.class;
Method m = c.getDeclaredMethod("calculation", null);
m.setAccessible(true);
m.invoke(target, null);
CalculationResult result = target.getCaluculationResult();
assertEquals(720, result.getWorkTime());
List breakTimeList = result.getBreakTimeList();
assertEquals(2, breakTimeList.size());
assertEquals(60, breakTimeList[0]);
assertEquals(45, breakTimeList[1]);
}
}
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ཧղʢղಡʣ͠Α͏
͜ͷίʔυͬͯɺͦͷͷۈ࣌ؒΛೖΕͯɺ࿑
ಇ࣌ؒͱٳܜ࣌ؒΛܭࢉͯ͘͠ΕΔϝιουͳΜ
ͩΑͶɻ
͜ͷςετͩͱɺҰೋճۈ͢Δ͔ͭͩΒɺ
࢝ۀबۀ࣌ؒΛෳೖΕͯςετͯ͠ΔͶɻٳܜ
ෳճܭࢉ͞ΕͯΔͶɻ
— ϓϩμΫτઋਓ
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ۈ࣌ؒͱٳܜ࣌ؒͷ
ܭࢉςετΛ͍ͯ͠Δ
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ͳʹΛͯ͠Δͷ͔Λ
ςετ໊ʹөͤ͞Δ
class WorkingTimeCalculatorTest {
@Test
void ۈ࣌ؒͱٳܜ࣌ؒͷܭࢉςετ_ਖ਼ৗܥ() throws Exception {
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໊લΛͳΔ͘۩ମతʹ
class WorkingTimeCalculatorTest {
@Test
void _1ෳճۈͨ࣌͠ͷ_ۈ࣌ؒͱٳܜ࣌ؒͷܭࢉ() throws Exception {
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with JUnit5!
class WorkingTimeCalculatorTest {
@DisplayName("ෳۈͨ͠ࡍͷۈ࣌ؒͷ߹ܭͱٳܜ͕࣌ؒܭࢉ͞ΕΔ͖⏰")
@Test
void workingTimeCalculation() throws Exception {
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ߏԽ͍ͯ͠ͳ͍
class WorkingTimeCalculatorTest {
@DisplayName("1ʹෳۈͨ͠ࡍͷۈ࣌ؒͷ߹ܭͱٳܜ͕࣌ؒܭࢉ͞ΕΔ͖⏰")
@Test
void workingTimeCalculationTest() throws Exception {
// (ུ)
Contract contract = new Contract();
User targetUser = new User(contract);
LocalDateTime workingStartTime1 = LocalDateTime.of(2017, 9, 1, 10, 00);
LocalDateTime workingEndTime1 = LocalDateTime.of(2017, 9, 1, 18, 00);
LocalDateTime workingStartTime2 = LocalDateTime.of(2017, 9, 1, 22, 00);
LocalDateTime workingEndTime2 = LocalDateTime.of(2017, 9, 2, 4, 00);
WorkingTimeCalculator target = new WorkingTimeCalculator(targetUser,
workingStartTime1,
workingEndTime1,
workingStartTime2,
workingEndTime2);
Class c = WorkingTimeCalculator.class;
Method m = c.getDeclaredMethod("calculation", null);
m.setAccessible(true);
m.invoke(target, null);
CalculationResult result = target.getCaluculationResult();
assertEquals(720, result.getWorkTime());
List breakTimeList = result.getBreakTimeList();
assertEquals(2, breakTimeList.size());
assertEquals(60, breakTimeList[0]);
assertEquals(45, breakTimeList[1]);
}
}
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ஈམΘ͚Λ͠Α͏
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4 phase test6
6 http://singapore2016.xunitpatterns.com/
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ߏԽ͍Ζ͍Ζ
4 phase 3A7 BDD Spock
setup arrange given given
exercise act when -
verify assert then expect
teardown - - -
7 http://xp123.com/articles/3a-arrange-act-assert/
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Given-When-Then
class WorkingTimeCalculatorTest {
@DisplayName("1ʹෳۈͨ͠ࡍͷۈ࣌ؒͷ߹ܭͱٳܜ͕࣌ؒܭࢉ͞ΕΔ͖⏰")
@Test
void workingTimeCalculationTest() throws Exception {
// given
Contract contract = new Contract();
User targetUser = new User(contract);
LocalDateTime workingStartTime1 = LocalDateTime.of(2017, 9, 1, 10, 00);
LocalDateTime workingEndTime1 = LocalDateTime.of(2017, 9, 1, 18, 00);
LocalDateTime workingStartTime2 = LocalDateTime.of(2017, 9, 1, 22, 00);
LocalDateTime workingEndTime2 = LocalDateTime.of(2017, 9, 2, 4, 00);
// when
WorkingTimeCalculator target = new WorkingTimeCalculator(targetUser,
workingStartTime1,
workingEndTime1,
workingStartTime2,
workingEndTime2);
Class c = WorkingTimeCalculator.class;
Method m = c.getDeclaredMethod("calculation", null);
m.setAccessible(true);
m.invoke(target, null);
CalculationResult result = target.getCaluculationResult();
// then
assertEquals(720, result.getWorkTime());
List breakTimeList = result.getBreakTimeList();
assertEquals(2, breakTimeList.size());
assertEquals(60, breakTimeList[0]);
assertEquals(45, breakTimeList[1]);
}
}
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Given
// given
Contract contract = new Contract();
User targetUser = new User(contract);
LocalDateTime workingStartTime1 = LocalDateTime.of(2017, 9, 1, 10, 00);
LocalDateTime workingEndTime1 = LocalDateTime.of(2017, 9, 1, 18, 00);
LocalDateTime workingStartTime2 = LocalDateTime.of(2017, 9, 1, 22, 00);
LocalDateTime workingEndTime2 = LocalDateTime.of(2017, 9, 2, 4, 00);
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When
WorkingTimeCalculator target = new WorkingTimeCalculator(targetUser,
workingStartTime1,
workingEndTime1,
workingStartTime2,
workingEndTime2);
Class c = WorkingTimeCalculator.class;
Method m = c.getDeclaredMethod("calculation", null);
m.setAccessible(true);
m.invoke(target, null);
CalculationResult result = target.getCaluculationResult();
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Then
// then
assertEquals(720, result.getWorkTime());
List breakTimeList = result.getBreakTimeList();
assertEquals(2, breakTimeList.size());
assertEquals(60, breakTimeList[0]);
assertEquals(45, breakTimeList[1]);
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Ͳ͔͜Βݟ͍ͯ͘ʁ
• ͍ΖΜͳͱ͜ΖΛߦͬͨΓདྷͨΓ
• ݸਓతʹ·ͣThen͔Β
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ෳͷΞαʔγϣϯ
// then
assertEquals(720, result.getWorkTime());
List breakTimeList = result.getBreakTimeList();
assertEquals(2, breakTimeList.size());
assertEquals(60, breakTimeList[0]);
assertEquals(45, breakTimeList[1]);
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• ΞαʔγϣϯϧʔϨοτ8
• ͲΕ͕མͪͨͷ͔Θ͔Βͳ͍
8 http://xunitpatterns.com/Assertion%20Roulette.html
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ରࡦ: γϯάϧΞαʔγϣϯ9
• ࿑ಇ࣌ؒܭࢉͷςετ
// then
assertEquals(720, result.getWorkTime());
• ٳܜ࣌ؒܭࢉͷςετ
// then
List breakTimeList = result.getBreakTimeList();
assertEquals(2, breakTimeList.size());
assertEquals(60, breakTimeList[0]);
assertEquals(45, breakTimeList[1]);
9 http://xunitpatterns.com/Principles%20of%20Test%20Automation.html#Single Condition Test
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·ͱΊ͓͍ͯͨํ͕
Θ͔Γͦ͢͏
// then
List breakTimeList = result.getBreakTimeList();
assertEquals(2, breakTimeList.size());
assertEquals(60, breakTimeList[0]);
assertEquals(45, breakTimeList[1]);
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ಡΈ͍͢ܗʹ
ϦϑΝΫλϦϯά
• ྫ͑JUnit5 + AssertJΛར༻
// then
List breakTimeList = result.getBreakTimeList();
assertThat(breakTimeList).hasSize(2).containsExactly(60, 45);
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ΧελϜΞαʔγϣϯ10
• ϔϧύʔΛ࡞͠ɺΞαʔγϣϯͷ࣮ॲཧͦ
ͪΒʹҠಈ
10 http://xunitpatterns.com/Custom%20Assertion.html
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ϝιουຊޠԽख
// then
List breakTimeList = result.getBreakTimeList();
ٳܜ2ճܭࢉ͞Εͯ(breakTimeList,
_1ͭͷܭࢉ࣌ؒ(60),
_2ͭͷܭࢉ࣌ؒ(45));
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ϝϯςφϯεੑ͕٘ਜ਼ʹͳ
Δʁ
• ςετͷڞ௨ԽͬͯͲΕ΄Ͳॏཁʁ
• ͜ΕʹΑͬͯͲͷ͘Β͍ಡΈ͕͢͞૿͢ʁ
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ಡΈ͘͢ͳΒͳ͍Α͏ͳΒ
͠ಡΈ͘͢ͳΒͳ͍ͳΒɺγϯάϧΞαʔγ
ϣϯਥʹͳΔͭΓͳ͍Α
— Principle: Verify One Condition per Test 11
11 http://xunitpatterns.com/Principles%20of%20Test%20Automation.html#Single Condition Test
ΑΓҙ༁
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Thenྃ
// given
Contract contract = new Contract();
User targetUser = new User(contract);
LocalDateTime workingStartTime1 = LocalDateTime.of(2017, 9, 1, 10, 00);
LocalDateTime workingEndTime1 = LocalDateTime.of(2017, 9, 1, 18, 00);
LocalDateTime workingStartTime2 = LocalDateTime.of(2017, 9, 1, 22, 00);
LocalDateTime workingEndTime2 = LocalDateTime.of(2017, 9, 2, 4, 00);
// when
WorkingTimeCalculator target = new WorkingTimeCalculator(targetUser,
workingStartTime1,
workingEndTime1,
workingStartTime2,
workingEndTime2);
Class c = WorkingTimeCalculator.class;
Method m = c.getDeclaredMethod("calculation", null);
m.setAccessible(true);
m.invoke(target, null);
CalculationResult result = target.getCaluculationResult();
// then
List breakTimeList = result.getBreakTimeList();
ٳܜ2ճܭࢉ͞Εͯ(breakTimeList,
_1ͭͷܭࢉ࣌ؒ(60),
_2ͭͷܭࢉ࣌ؒ(45));
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ଓ͍ͯWhen
// when
WorkingTimeCalculator target = new WorkingTimeCalculator(targetUser,
workingStartTime1,
workingEndTime1,
workingStartTime2,
workingEndTime2);
Class c = WorkingTimeCalculator.class;
Method m = c.getDeclaredMethod("calculation", null);
m.setAccessible(true);
m.invoke(target, null);
CalculationResult result = target.getCaluculationResult();
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ϦϑϨΫγϣϯʁ
// when
Class c = WorkingTimeCalculator.class;
Method m = c.getDeclaredMethod("calculation", null);
m.setAccessible(true);
m.invoke(target, null);
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ςετରͷprivateʹհೖ͠
͍ͨ
• ରϝιουΛσϑΥϧτείʔϓʹ
• Test-Specific SubclassΛར༻
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Test-Specific Subclass12
• ςετ༻ʹSUTͷαϒΫϥεΛ࡞͢Δ
• JavaͩͱରϝιουΛprotectedʹ
12 http://xunitpatterns.com/Test-Specific%20Subclass.html
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Test-Specific Subclass12
// ςετʹϔϧύʔͱͯ͠
class WorkingCaluculatorForTest extends WorkingCaluculator {
public calucuation() {
super.caluculation();
}
}
// ςετଆݺͿ͚ͩ
workingCalculator.calucuation();
12 http://xunitpatterns.com/Test-Specific%20Subclass.html
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Whenྃ
class WorkingTimeCalculatorTest {
@DisplayName("1ʹෳۈͨ͠ࡍͷۈ࣌ؒͷ߹ܭͱٳܜ͕࣌ؒܭࢉ͞ΕΔ͖⏰")
@Test
void workingTimeCalculationTest() throws Exception {
// given
Contract contract = new Contract();
User targetUser = new User(contract);
LocalDateTime workingStartTime1 = LocalDateTime.of(2017, 9, 1, 10, 00);
LocalDateTime workingEndTime1 = LocalDateTime.of(2017, 9, 1, 18, 00);
LocalDateTime workingStartTime2 = LocalDateTime.of(2017, 9, 1, 22, 00);
LocalDateTime workingEndTime2 = LocalDateTime.of(2017, 9, 2, 4, 00);
// when
workingCalculator.calucuation();
CalculationResult result = target.getCaluculationResult();
// then
List breakTimeList = result.getBreakTimeList();
ٳܜ2ճܭࢉ͞Εͯ(breakTimeList,
_1ͭͷܭࢉ࣌ؒ(60),
_2ͭͷܭࢉ࣌ؒ(45));
}
}
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࠷ޙʹGiven
// given
Contract contract = new Contract();
User targetUser = new User(contract);
LocalDateTime workingStartTime1 = LocalDateTime.of(2017, 9, 1, 10, 00);
LocalDateTime workingEndTime1 = LocalDateTime.of(2017, 9, 1, 18, 00);
LocalDateTime workingStartTime2 = LocalDateTime.of(2017, 9, 1, 22, 00);
LocalDateTime workingEndTime2 = LocalDateTime.of(2017, 9, 2, 4, 00);
48
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ࣅͨΑ͏ͳσʔληοτ
LocalDateTime workingStartTime1 = LocalDateTime.of(2017, 9, 1, 10, 00);
LocalDateTime workingEndTime1 = LocalDateTime.of(2017, 9, 1, 18, 00);
LocalDateTime workingStartTime2 = LocalDateTime.of(2017, 9, 1, 22, 00);
LocalDateTime workingEndTime2 = LocalDateTime.of(2017, 9, 2, 4, 00);
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ͦͦ͜ͷςετʹඞཁͳ
ใʁ
͜ͷςετͩͱɺҰೋճۈ͢Δ͔ͭͩΒɺ
࢝ۀबۀ࣌ؒΛͦΕͧΕೖΕͯΔͶɻ
— ϓϩμΫτઋਓ
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Creation Method13
13 http://xunitpatterns.com/Creation%20Method.html
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Creation Methodʹͯ͠
ෆཁใΛӅṭ
LocalDateTime workingStartTime1 = createFirstWorkStartTime();
LocalDateTime workingEndTime1 = createFirstWorkEndTime();
LocalDateTime workingStartTime2 = createSecondWorkStartTime();
LocalDateTime workingEndTime2 = createSecondWorkEndTime();
52
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ຊޠʹ͢ΔͷΞϦ
LocalDateTime ࠷ॳͷۈͷ։࢝࣌ؒ = ࠷ॳͷۈͷ։࢝࣌ؒΛ࡞();
LocalDateTime ࠷ॳͷۈͷऴྃ࣌ؒ = ࠷ॳͷۈͷऴྃ࣌ؒΛ࡞();
LocalDateTime ೋͭͷۈͷ։࢝࣌ؒ = ೋͭͷۈͷ։࢝࣌ؒΛ࡞();
LocalDateTime ೋͭͷۈͷऴྃ࣌ؒ = ೋͭͷۈͷऴྃ࣌ؒΛ࡞();
53
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Given
// given(ུ)
Contract contract = new Contract();
User targetUser = new User(contract);
LocalDateTime ࠷ॳͷۈͷ։࢝࣌ؒ = ࠷ॳͷۈͷ։࢝࣌ؒΛ࡞();
LocalDateTime ࠷ॳͷۈͷऴྃ࣌ؒ = ࠷ॳͷۈͷऴྃ࣌ؒΛ࡞();
LocalDateTime ೋͭͷۈͷ։࢝࣌ؒ = ೋͭͷۈͷ։࢝࣌ؒΛ࡞();
LocalDateTime ೋͭͷۈͷऴྃ࣌ؒ = ೋͭͷۈͷऴྃ࣌ؒΛ࡞();
54
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Ϣʔβʔͷ࡞
// given(ུ)
Contract contract = new Contract();
User targetUser = new User(contract);
ܖ༰Λ࡞Λ໌ࣔ͢Δඞཁͳ͍
// given
User ਖ਼ࣾһͷϢʔβʔ = ਖ਼ࣾһͷϢʔβʔͷ࡞();
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Ұ࣌มඞཁʁ
// given
User ਖ਼ࣾһͷϢʔβʔ = ਖ਼ࣾһͷϢʔβʔͷ࡞();
LocalDateTime ࠷ॳͷۈͷ։࢝࣌ؒ = ࠷ॳͷۈͷ։࢝࣌ؒΛ࡞();
LocalDateTime ࠷ॳͷۈͷऴྃ࣌ؒ = ࠷ॳͷۈͷऴྃ࣌ؒΛ࡞();
LocalDateTime ೋͭͷۈͷ։࢝࣌ؒ = ೋͭͷۈͷ։࢝࣌ؒΛ࡞();
LocalDateTime ೋͭͷۈͷऴྃ࣌ؒ = ೋͭͷۈͷऴྃ࣌ؒΛ࡞();
WorkingTimeCalculator target = new WorkingTimeCalculatorForTest(ਖ਼ࣾһͷϢʔβʔ,
࠷ॳͷۈͷ։࢝࣌ؒ,
࠷ॳͷۈͷऴྃ࣌ؒ,
ೋͭͷۈͷ։࢝࣌ؒ,
ೋͭͷۈͷऴྃ࣌ؒ);
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Ұ࣌มΛফڈ
// given
WorkingTimeCalculator target = new WorkingTimeCalculatorForTest(
ਖ਼ࣾһͷϢʔβʔͷ࡞(),
࠷ॳͷۈͷ։࢝࣌ؒΛ࡞(),
࠷ॳͷۈͷऴྃ࣌ؒΛ࡞(),
ೋͭͷۈͷ։࢝࣌ؒΛ࡞(),
ೋͭͷۈͷऴྃ࣌ؒΛ࡞());
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implicit setup14
class WorkingTimeCalculatorTest {
WorkingTimeCalculator target = null;
@BeforeEach
void WorkingTimeCalculatorͷ࡞() {
// given
target = new WorkingTimeCalculatorForTest(
ਖ਼ࣾһͷϢʔβʔͷ࡞(),
࠷ॳͷۈͷ։࢝࣌ؒΛ࡞(),
࠷ॳͷۈͷऴྃ࣌ؒΛ࡞(),
ೋͭͷۈͷ։࢝࣌ؒΛ࡞(),
ೋͭͷۈͷऴྃ࣌ؒΛ࡞());
}
@DisplayName("ෳۈͨ͠ࡍͷۈ࣌ؒͷ߹ܭͱٳܜ͕࣌ؒܭࢉ͞ΕΔ͖⏰")
14 http://xunitpatterns.com/Implicit%20Setup.html
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class WorkingTimeCalculatorTest {
WorkingTimeCalculator target = null;
@BeforeEach
void WorkingTimeCalculatorͷ࡞() {
// given
target = new WorkingTimeCalculatorForTest(
ਖ਼ࣾһͷϢʔβʔͷ࡞(),
࠷ॳͷۈͷ։࢝࣌ؒΛ࡞(),
࠷ॳͷۈͷऴྃ࣌ؒΛ࡞(),
ೋͭͷۈͷ։࢝࣌ؒΛ࡞(),
ೋͭͷۈͷऴྃ࣌ؒΛ࡞());
}
@DisplayName("ෳۈͨ͠ࡍͷۈ࣌ؒͷ߹ܭͱٳܜ͕࣌ؒܭࢉ͞ΕΔ͖⏰")
@Test
void breakTimeCalculation() throws Exception {
// when
workingCalculator.calucuation();
CalculationResult result = target.getCaluculationResult();
// then
List breakTimeList = result.getBreakTimeList();
ٳܜ2ճܭࢉ͞Εͯ(breakTimeList,
_1ͭͷܭࢉ࣌ؒ(60),
_2ͭͷܭࢉ࣌ؒ(45));
}
}
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࠷ॳͷ࣌ͱൺֱ͢Δͱ
class WorkingTimeCalculatorTest {
@Test
void ਖ਼ৗܥͷςετ() throws Exception {
// (ུ)
Contract contract = new Contract();
User targetUser = new User(contract);
LocalDateTime workingStartTime1 = LocalDateTime.of(2017, 9, 1, 10, 00);
LocalDateTime workingEndTime1 = LocalDateTime.of(2017, 9, 1, 18, 00);
LocalDateTime workingStartTime2 = LocalDateTime.of(2017, 9, 1, 22, 00);
LocalDateTime workingEndTime2 = LocalDateTime.of(2017, 9, 2, 4, 00);
WorkingTimeCalculator target = new WorkingTimeCalculator(targetUser,
workingStartTime1,
workingEndTime1,
workingStartTime2,
workingEndTime2);
Class c = WorkingTimeCalculator.class;
Method m = c.getDeclaredMethod("calculation", null);
m.setAccessible(true);
m.invoke(target, null);
CalculationResult result = target.getCaluculationResult();
assertEquals(720, result.getWorkTime());
List breakTimeList = result.getBreakTimeList();
assertEquals(2, breakTimeList.size());
assertEquals(60, breakTimeList[0]);
assertEquals(45, breakTimeList[1]);
}
}
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ಡΈ͘͢ͳͬͨ
@DisplayName("ෳۈͨ͠ࡍͷۈ࣌ؒͷ߹ܭͱٳܜ͕࣌ؒܭࢉ͞ΕΔ͖⏰")
@Test
void breakTimeCalculation() throws Exception {
// when
workingCalculator.calucuation();
CalculationResult result = sut.getCaluculationResult();
// then
List breakTimeList = result.getBreakTimeList();
ٳܜ2ճܭࢉ͞Εͯ(breakTimeList,
_1ͭͷܭࢉ࣌ؒ(60),
_2ͭͷܭࢉ࣌ؒ(45));
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One more thing
• ςετରΛSUT(System Under Test)ͱهड़
͢ΔͷxUTPจԽ15
CalculationResult result = sut.getCaluculationResult();
15 http://xunitpatterns.com/SUT.html
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·ͱΊʹ͔͑ͯ
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͜͜·Ͱ
͖ͬͯͨ͜ͱ
ʮಡΈ͍͢ʯ
ςετࢤ
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ಡΈ͍͢ςετ
• ॻ͖͍͢
• ཧղ͍͢͠
• ϝϯςφϯε͕༰қ
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xUTPͰಡΈ͍͢
ςετΛ
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ಡΈ͢͞Λຯํ
ʹ͚ͭͯ͋ͳͨΛ
ॿ͚ΔςετΛ
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͓͠·͍
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