Testcontainersでコンテナを使ったテストを実行しよう

JJUG CCC 2022 Spring 6月19日開催
[Track A] 10:25- #jjug_ccc_a
#jjug_ccc
Testcontainersでコンテナを使ったテストを実行しよう

Transcript

2. w ໊͓લɿͳ͔΍·ͻΖʢͤͪʣ 
 5XJUUFS͸ʮͤͪʯ
   w ͓͠͝ͱɿ౎಺๭8FCαʔϏε
   w झຯɿήʔϜͱ͓ञͱࣗసं
   w ӈͷࣸਅ͸(8ʹ૸ͬͨඒϲݪ ࣗݾ঺հ
3. ͜ͷΑ͏ͳ೰Έ͋Γ·ͤΜ͔ʁ w ΞϓϦέʔγϣϯΛ࣮ߦ͢Δ؀ڥߏஙͷେྔͷखॱ͕͋Δ
   w ྫ͑͹σʔλϕʔεͷΠϯετʔϧ
   w ΠϯετʔϧΛ׬ྃޙɺςετΛ࣮ߦ͢Δલʹඞཁͳ࡞ۀ
   w ςετσʔλͷσʔλͷ౤ೖ
   w ࠶౓ςετΛ࣮ߦ͢Δ৔߹͸ݩͷঢ়ଶʹ໭͢
   w ࣗಈԽ͸ͦͷ͏͍ͪͨ͠Ͱ͢Ͷɾɾɾʢԕ͍໨ʣ
4. ͜ͷΑ͏ͳ೰Έ͋Γ·ͤΜ͔ʁ w ෳࡶͳࣄલ४උΛࣗಈԽ͢ΔͨΊɺϏϧυ৬ਓ͕εΫϦϓτΛ࡞੒
   w ؤுͬͯߏஙͯ͠΋$*Ͱෆఆظʹ͚͜Δ
   w ݪҼ͸$*؀ڥͰ͔͠ൃੜ͠ͳ͍ṖͷΤϥʔ
   w ͦͷ͏ͪΤϥʔʹͳͬͯ΋୭΋ؾʹ͠ͳ͍ɾɾɾ
   w ৬ਓ͸طʹୀ৬Ͱϝϯςφϯε΋Ͱ͖ͳ͍ɾɾɾ
5. ͜ͷΑ͏ͳ೰Έ͋Γ·ͤΜ͔ʁ w ۤ࿑ͯࣗ͠ಈԽ͚ͨ͠ͲσʔλϕʔεΛ࢖ͬͨςετ͕஗࣮ͯ͘ߦʹ਺े ෼ɾɾɾ
   w ͜͏ͳͬͨΒςετΛฒྻͰ࣮ߦ͢Δ͔͠ͳ͍ʂ
   w σʔλͷߋ৽λΠϛϯάͰςετ͕ࣦഊɾɾɾ
   w σʔλϕʔεΛ૿΍ͦ͏ʹ΋ϙʔτ͕ॏෳɾɾɾ
6. 5FTUDPOUBJOFSTͰղܾͰ͖Δ͔΋ʁ w 5FTUDPOUBJOFST͸͜Μͳ೰ΈΛղܾͯ͘͠Ε·͢
   w ηοτΞοϓ͕ͭΒ͍
   
   ˠ
   +BWBͱ%PDLFS͕Πϯετʔϧ͞Ε͍ͯΕ͹ 0,ʂ
   w खॱ͕ͭΒ͍
   ˠ
   
   ςετΫϥε͔Β࢖༻͢ΔίϯςφΛىಈɺޙย෇͚΋ ෆཁ
   w ฒྻ࣮ߦ͕ͭΒ͍
   ˠ
   ςετΫϥε͝ͱʹσʔλϕʔεΛ༻ҙʂϙʔτ໰୊ ΋؆୯ʹղܾ
7. ຊηογϣϯͷςʔϚ w 5FTUDPOUBJOFSTͷಋೖํ๏͔Β4QSJOH#PPU5FTUͰ࣮ߦ·ͰΛ͝঺հ͠·͢
   w ςετର৅͸σʔλϕʔεʢ1PTUHSFTʣΛ࢖ͬͨ8FCΞϓϦέʔγϣϯͰ͢
   w ຊεϥΠυͰ͸ιʔείʔυΛஅยతʹష͍ͬͯ·͕͢ɺ(JUIVCͰಈ͘΋ͷ Λެ։͠·͢
8. w 5FTUDPOUBJOFSTͱ͸ʁ
   w ίϯςφΛىಈ͠Α͏
   w 4QSJOH#PPU5FTUͱͷ࿈ܞ ΞδΣϯμ
9. 5FTUDPOUBJOFSTͱ͸ʁ
10. 5FTUDPOUBJOFSTͱ͸ʁ w +6OJUςετ͔Βܰྔ͔ͭ࢖͍ࣺͯͷ%PDLFSίϯςφΛ࣮ߦ͢ΔϥΠϒϥϦ
    w ໊લؒҧ͑΍͍͢ͷͰ஫ҙ
    w 5FTU$POUBJOFSTʢ❌ɿ$͕େจࣈʣɺ5FTUDPOUBJOFSʢ❌ɿT͕ͳ͍ʣ
    w ͞·͟·ͳ044΍঎༻ϓϩμΫτͷςετͰར༻͞Ε͍ͯ·͢
    w σʔλϕʔεΛར༻ͨ݁͠߹ςετʹ࠷ద
    w ଞʹ΋4FMFOJVNΛར༻ͨ͠6*ड͚ೖΕςετͰ΋࢖͑·͢
11. Կ͕͍͍ͷ͔ʁ w ίϯςφͷ؅ཧͷΈʹಛԽͨ͠ϥΠϒϥϦ
    w ఏڙ͢Δػೳ͕γϯϓϧͳͷͰಋೖʹ͔͔Δֶशίετ͕গͳ͍
    w ެ͕ࣜఏڙ͢ΔϞδϡʔϧͰίϯςφ΋ѻ͍΍͘͢ͳ͍ͬͯ·͢
    w Ϟδϡʔϧʹ͍ͭͯ͸ޙ΄Ͳղઆ͠·͢
12. ίϯςφΛىಈ͠Α͏
13. ࣮ߦ४උ ඞཁ؀ڥ w %PDLFS🐳
    w WҎ্
    w 8JOEPXTͷαϙʔτ͸ϕετΤϑΥʔτ
    w +BWBͷόʔδϣϯʹ͍ͭͯ͸هࡌ͸͋Γ·ͤΜ͕ɺҎ্Ͱ͋Ε͹ಈ͘ͱࢥ͍ ·͢
14. ࣮ߦ४උ ϓϩδΣΫτ࡞੒ w ࠓճ͸4QSJOHͷΞϓϦέʔγϣϯͷςετΛ࣮ߦ͢Δͷ͕ΰʔϧͳͷͰɺ 4QSJOH
    *OJUJBMJ[S͔ΒϓϩδΣΫτΛ࡞੒͠·͢
    w 5FTUDPOUBJOFST͸4QSJOH
    *OJUJBMJ[Sʹొ࿥͞Ε͍ͯ·͢
    w σʔλϕʔε͸1PTUHSF42-Λબ୒͠·͢
15. ४උ ґଘੑͷ֬ೝ w ϓϩδΣΫτΛੜ੒͢ΔͱQPNYNMʹ5FTUDPOUBJOFSTͷґଘੑ͕ͭೖͬͯ ͍·͢
    w ্͸+6OJUͱ૊Έ߹ΘͤΔϥΠϒϥϦɺԼ͸1PTUHSF42-ͷϞδϡʔϧΛఏ ڙ͢ΔϥΠϒϥϦͰ͢ <dependency> <groupId>org.testcontainers</groupId> <artifactId>junit-jupiter</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>org.testcontainers</groupId> <artifactId>postgresql</artifactId> <scope>test</scope> </dependency>
16. ิ଍ Ϟδϡʔϧʹ͍ͭͯ w ͜͜·ͰԿճ͔ग़͖͍ͯͯΔʮϞδϡʔϧʯʹ͍ͭͯ؆୯ʹઆ໌͠·͢
    w 5FTUDPOUBJOFST͸(FOFSJD$POUBJOFSͱ͍͏ίϯςφΛ࣮ߦ͢ΔͨΊͷڞ௨ తͳػೳΛ࣋ͭΫϥεΛఏڙ͠·͢
    w (FOFSJD$POUBJOFSΛܧঝͯ͠ಛఆͷίϯςφʹಛԽͨ͠΋ͷΛϞδϡʔϧͱ ݺΜͰ͍·͢
17. ิ଍ ϞδϡʔϧʹͰ͖Δ͜ͱ w Ϟδϡʔϧ͸
    (FOFSJD$POUBJOFSͷઃఆ߲໨ʹ௥Ճͯ͠ɺ࣮ߦ͢Δίϯςφݻ ༗ͷઃఆΛఏڙ͠·͢
    w 1PTUHSFTϞδϡʔϧͰ͋Ε͹σʔλϕʔεͷઃఆ͕௥Ճ͞Ε͍ͯ·͢ (FOFSJD$POUBJOFSͷઃఆ߲໨ 1PTUHSFTϞδϡʔϧͷ௥Ճઃఆ߲໨ ࣮ߦ͢ΔΠϝʔδ σʔλϕʔε໊ ެ։͢Δϙʔτ ઀ଓϢʔβʔ Ϛ΢ϯτ͢ΔϘϦϡʔϜ ύεϫʔυ
18. ิ଍ 5FTUDPOUBJOFS͕ఏڙ͢ΔϞδϡʔϧʢൈਮʣ w 5FTUDPOUBJOFST͕ఏڙ͍ͯ͠ΔϞδϡʔϧʹ͸ҎԼͷΑ͏ͳ΋ͷ͕ἧ͍ͬͯ ·͢ʢ͜ΕͰશྔͰ͸ͳ͍Ͱ͢ʣ
    w ఏڙ͞Ε͍ͯͳ͍ίϯςφͰ΋ɺཁ๬͕ଟ͚Ε͹Ϟδϡʔϧͱͯ͠ొ࿥͞ΕΔ ͔΋͠Ε·ͤΜ 3%#$ $BTTBOESB $PDLSPBDI%# .Z42- 0SBDMF9& %# .BSJB%# .POHP%# .PDLTFSWFS -PDBM4UBDL 42-4FSWFS 3BCCJU.2 ,BGLB &MBTUJDTFBSDI 4FMFOJVN
19. ίϯςφΛ࣮ߦ͠Α͏ w 5FTUDPOUBJOFSTͰίϯςφΛىಈ͢Δํ๏͸͍͔ͭ͋͘Γ·͢
    w ࠓճ͸4QSJOH#PPU5FTUʹ૊ΈࠐΈ΍͍͢ΞϊςʔγϣϯΛར༻ͨ͠ํ๏Λ঺ հ͠·͢
20. ίϯςφΛ࣮ߦ͠Α͏ ςετΫϥε΁ͷΞϊςʔγϣϯͷ෇༩ w ίϯςφΛར༻͢ΔςετΫϥεʹ!5FTUDPOUBJOFSTΞϊςʔγϣϯΛ෇༩ ͠·͢
    w 5FTUDPOUBJOFST͸͜ͷΞϊςʔγϣϯ͕͍ͭͨςετΛ࣮ߦ͢Δࡍʹίϯς φΛىಈͯ͘͠Ε·͢ @Testcontainers public class ContainerTest {
21. ίϯςφΛ࣮ߦ͠Α͏ ࣮ߦ͢Δίϯςφͷఆٛ w ࣮ߦ͢ΔίϯςφΛςετΫϥεͷTUBUJDϑΟʔϧυͰఆٛ͠·͢
    w ΠϯελϯεॳظԽ࣌ʹίϯςφͷઃఆΛߦ͍·͢
    w ࠓճ͸σʔλϕʔε໊ͱ%%-Λఆٛͨ͠42-ϑΝΠϧΛಡΈࠐ·ͤ·͢
    w ෳ਺ͷίϯςφΛಉ࣌ʹىಈ͍ͨ͠৔߹͸ϑΟʔϧυΛෳ਺ఆ͍ٛͯͩ͘͠͞ @Container private static PostgreSQLContainer postgresqlContainer = (PostgreSQLContainer)new PostgreSQLContainer("postgres:14.2") .withDatabaseName("todo") .withInitScript("todo.sql");
22. ίϯςφΛ࣮ߦ͠Α͏ ࣮ߦͯ͠ΈΑ͏ w ίϯςφͷఆ͕ٛऴΘͬͨΒςετΛ࣮ߦ͠·͢
    w ςετΛ࣮ߦ͢Δͱ࠷ॳʹ5FTUDPOUJBOFST͕ఆٛ͞ΕͨίϯςφΛىಈ͠· ͢
    w ͦͷޙɺςετϝιου͕ݺͼग़͞Ε·͢
    w ͨͬͨ͜Ε͚ͩ४උͰςετͰར༻͢Δ؀ڥ͕ηοτΞοϓ͞Ε·ͨ͠ @Test void ίϯςφ͕ಈ͍͍ͯΔ͜ͱ() { assertTrue(postgresqlContainer.isRunning()); }
23. ίϯςφΛ࣮ߦ͠Α͏ ىಈͨ͠ίϯςφͷޙ࢝຤ w ىಈͨ͠ίϯςφΛఀࢭͨ͠Γ࡟আͨ͠Γ͢Δॲཧ͸શ෦5FTUDPOUBJOFST͕ ΍ͬͯ͘Ε·͢
    w ίϯςφɾϘϦϡʔϜɾωοτϫʔΫͷશͯΛ࡟আͯ͘͠Ε·͢
    w ޙ࢝຤͸5FTUDPOUBJOFSTʹ೚ͤͯςετΛॻ͘ͷʹઐ೦͠·͠ΐ͏
    w ༨ஊͰ͕͢ίϯςφΛ࡟আͯ͘͠ΕΔͷ͸Ϧϯΰ͕޷͖ͳࢮਆͰ͢
    w ϦϡʔΫͱ͍͏໊ͷίϯςφ͕ཪͰ͓૟আͯ͠·͢
24. ίϯςφ࣮ߦͷิ଍ ϩάϨϕϧͷઃఆʢ೚ҙʣ w σϑΥϧτͷϩάϨϕϧͰ͸ɺίϯςφͷ1VMM΍ىಈ࣌ʹϩά͕େྔग़ྗ͞Ε ͯ͠·͍·͢
    w ϩά͕ଟ͗͢Δͱײͨ͡৔߹͸5FTUDPOUBJOFSTͷग़ྗϨϕϧΛߜͬͯͩ͘͞ ͍
    w ެࣜ)1ʹMPHCBDLUFTUYNM͕ఏڙ͞Ε͍ͯ·͢
25. ίϯςφ࣮ߦͷิ଍ खಈͰͷίϯςφىಈ w ΞϊςʔγϣϯΛར༻͠ͳ͍৔߹ɺOFXͨ͠ίϯςφΠϯελϯεͷTUBSUϝ ιουΛݺͼग़͢͜ͱͰίϯςφΛىಈ͢Δ͜ͱ͕Ͱ͖·͢
    w ͜ͷํ๏Ͱىಈͨ͠৔߹Ͱ΋ίϯςφͷޙ࢝຤͸5FTUDPOUBJOFST͕ߦͬͯ͘ Ε·͢ // ࣮ߦ͢Δίϯςφͷఆٛ PostgreSQLContainer postgresqlContainer = (PostgreSQLContainer) new PostgreSQLContainer("postgres:14.2") .withDatabaseName("todo") .withInitScript("todo.sql"); // ىಈ postgresqlContainer.start();
26. ίϯςφ࣮ߦͷิ଍ ˏ$POUBJOFSͷϑΟʔϧυ w ࠓճ͸ˏ$POUBJOFSΛTUBUJDϑΟʔϧυʹઃఆͨͨ͠ΊɺςετΫϥεͰͭ ͷίϯςφ͕༻ҙ͞Ε·͢
    w ͜ΕΛTUBUJDͰ͸ͳ͘ΠϯελϯεϑΟʔϧυʹ෇༩ͨ͠৔߹ɺςετϝιο υ͝ͱʹίϯςφ͕༻ҙ͞Ε·͢
27. ͜͜·Ͱͷ·ͱΊ w ΞϊςʔγϣϯΛ࢖͏͚ͩͰ؆୯ʹίϯςφΛ૊ΈࠐΊΔ͜ͱΛ঺հ͠·ͨ͠
    w ͜ΕͰ4QSJOHͷΞϓϦέʔγϣϯͰར༻͢Δσʔλϕʔεͷ४උ͸੔͍·͠ ͨ
    w ࣍͸ىಈͨ͠σʔλϕʔεΛ4QSJOH#PPU͔Β࢖͏ํ๏Λ঺հ͠·͢
28. 4QSJOH#PPU5FTUͱͷ࿈ܞ
29. ςετ͢ΔΞϓϦέʔγϣϯ w ςετର৅ͷΞϓϦέʔγϣϯͱͯ͠ɺ؆୯ͳ5PEPͷΞϓϦΛར༻͠·͢
    w ͜ͷΞϓϦͷ4FSWJDFΫϥεʹରͯ͠ɺ4QSJOH#PPU5FTUΛ࢖ͬͨ݁߹ςετ Λ࣮ߦ͠·͢ @Transactional Todo addTodo(String task) { return repository.save(new Todo(null,task,"Waiting")); }
30. 4QSJOH#PPU5FTU ςετ࣮૷ w 5FTUDPOUBJOFSTΛઃఆͨ͠ςετΫϥεʹҎԼͷͭΛ௥Ճ͠·͢
    w 4QSJOH#PPU5FTUΞϊςʔγϣϯΛ෇༩͢Δ
    w 4QSJOHͷΞϓϦʹ5FTUDPOUBJOFSTͰىಈͨ͠σʔλϕʔε΁ͷ઀ଓ৘ใΛ ࢦఆ͢Δ
    w ςετΫϥεʹςετ͢Δ4FSWJDFΫϥεΛ%*ͯ͠ςετϝιου͔Β࣮ߦ
    w ࠓ·Ͱͷ4QSJOH#PPUςετʹ੺࿮ͰғͬͨॲཧΛ௥Ճ͢Δ͚ͩͰ͢
31. 4QSJOH#PPU5FTU σʔλϕʔεͷ઀ଓఆٛΛઃఆ w σʔλϕʔεͷ઀ଓઃఆ͸ɺ%ZOBNJD1SPQFSUZ4PVSDFΛ෇༩ͨ͠ϝιου ಺Ͱઃఆ͠·͢
    w ઀ଓ৘ใ͸શͯίϯςφΠϯελϯε͔ΒऔಘՄೳͰ͢
    w ༨ஊͰ͕͢͜ͷΞϊςʔγϣϯ͸4QSJOH͕5FTUDPOUBJOFSTͷͨΊʹ༻ҙͨ͠ ΋ͷͰ͢ @DynamicPropertySource static void jdbcProperties(DynamicPropertyRegistry registry) { registry.add("spring.datasource.url", postgresqlContainer::getJdbcUrl); registry.add("spring.datasource.username", postgresqlContainer::getUsername); registry.add("spring.datasource.password", postgresqlContainer::getPassword); }
32. 4QSJOH#PPU5FTU ςετ࣮ߦ w ςετϝιουͰ4QSJOHͷαʔϏεΫϥεΛݺͼग़͢ςετΛهड़͠·͢
    w ςετΛىಈ͢Δͱίϯςφͷσʔλϕʔεͱ4QSJOH͕ىಈ͠ɺςετϝι ου಺ͷॲཧ͕͓͜ͳΘΕ·͢
    w ͜ΕͰσʔλϕʔεΛ༻͍ͨΞϓϦέʔγϣϯͷ݁߹ςετ͕ߦ͑·ͨ͠ @Autowired private TodoService service; @Test @Order(1) void addTodo() { String task = "🐱ʹ͝൧Λ΋Β͏"; Todo todo = service.addTodo(task); assertEquals(task, todo.task()); assertEquals("Waiting", todo.status()); }
33. 4QSJOH#PPU5FTUิ଍ &YUFOTJPOΫϥεͰͷ࣮ߦ w ࠓճ͸ΞϊςʔγϣϯΛ༻͍ͨγϯϓϧͳํ๏Λ঺հ͠·ͨ͠
    w Ξϊςʔγϣϯͷ৔߹͸֤ΫϥεͰίϯςφͷఆٛΛߦ͏ඞཁ͕͋Γ·͕͢ɺ ͜ͷఆٛΛ+6OJUͷ&YUFOTJPOΛ༻͍ͯू໿͢Δํ๏΋͋Γ·͢
    w (JUIVCʹαϯϓϧͷίʔυ͕͋Γ·͢ͷͰࢀরͯ͠Έ͍ͯͩ͘͞ public class PostgresExtension implements BeforeAllCallback, AfterAllCallback { private PostgreSQLContainer<?> postgresqlContainer; @Override public void beforeAll(ExtensionContext context) { postgresqlContainer = (PostgreSQLContainer) new PostgreSQLContainer("postgres:14.2") .withDatabaseName("todo"); postgresqlContainer.start(); System.setProperty("spring.datasource.url", postgresqlContainer.getJdbcUrl()); System.setProperty("spring.datasource.username", postgresqlContainer.getUsername()); System.setProperty("spring.datasource.password", postgresqlContainer.getPassword()); }
34. 4QSJOH#PPU5FTUิ଍ 5FTUDPOUBJOFSTͷόʔδϣϯ w 4QSJOH
    *OJUJBMJ[SͰ࡞੒ͨ͠ϓϩδΣΫτͷ5FTUDPOUBJOFSTͷόʔδϣϯ͸ Ͱ͢
    w Ҏ߱Ͱ௥Ճ͞ΕͨϞδϡʔϧΛར༻͍ͨ͠৔߹͸ɺόʔδϣϯΛࢦఆ ͢Δඞཁ͕͋Γ·͢ʢࠓͷ࠷৽͸ʣ
    w ௥Ճ͞ΕͨϞδϡʔϧ͸4FMFOJVNɺLTɺ)JWF.2ͷͭͰ͢
35. ·ͱΊ
36. 5FTUDPOUBJOFSTͷಋೖޮՌ w ࠓ೔঺հͨ͠ൣғͰ΋5FTUDPOUBJOFST͸ͨ͘͞Μͷ࢓ࣄΛͯ͠·͢
    w σʔλϕʔεͷΠϯετʔϧ͔Β࡟আ·ͰΛςετΫϥεͱີʹ࿈ܞ
    w ʮ+BWBͱ%PDLFS͕͋Ε͹Ͳ͜ͷϚγϯͰ΋੒ޭ͢Δςετʯ͕࡞ΕΔؾ͕͠ ͖ͯ·ͤΜ͔ʁ
    w গͳ͘ͱ΋ΞϓϦ΍ςετʹؔ܎ͳ͍໰୊Ͱɺ։ൃऀͷखΛ൥ΘͤΔ࣌ؒ΍࿑ ྗ͸࣮֬ʹݮΓ·͢
37. ·ͱΊ w ೉қ౓ͱൺֱͯ͠5FTUDPOUBJOFSTͷՌͨ͢໾ׂ͸େ͖͍ͱࢥ͍·͢
    w ݸਓతʹ஍ຯ͚ͩͲ࢓ࣄΛ࣮֬ʹ͜ͳͯ͘͠ΕΔ࢓ࣄਓελΠϧͳͱ͜Ζ͕޷ ͖Ͱ͢
    w ϋϚΓϙΠϯτ͸େମ͸࣮ߦ͢Δίϯςφͷ࢓༷ɾɾɾ
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    w ։ൃऀ͸͍͍ίʔυΛॻ͘͜ͱʹઐ೦͠Α͏ʂ
38. ࢀߟࢿྉ w IUUQTXXXUFTUDPOUBJOFSTPSH
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    w ຊηογϣϯͷεϥΠυʹషͬͨίʔυ
    w શͯΛ঺հͰ͖·ͤΜͰͨ͠ͷͰɺ΋͠ΑΖ͚͠Ε͹ࢀর͍ͯͩ͘͠͞
39. ίϯςφςετֵ໋ 🐳