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Test Driven Development For Lambda
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堀家隆宏
August 09, 2017
Technology
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Test Driven Development For Lambda
堀家隆宏
August 09, 2017
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Transcript
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4BOGSBODJTDP
ࠓ͢͜ͱ
-BNCEBΛͬͨΠϕϯτυϦϒϯΞʔΩςΫνϟʹ͓͚Δ ςετͷצॴΛղઆͭͭ͠ɺ ࣮ࡍͷςετίʔυΛಈ͔͠ͳ͕ΒϙΠϯτΛԡ͍͑ͯ͘͞
2ԿނςετΛॻ͘ͷ͔
ܧଓతʹ։ൃΛߦ͏ϓϩδΣΫτϓϩμΫτ ͷ࣭ΛอͪͭͭɺվળͷͨΊͷιʔείʔυͷ มߋΛޮྑ͘ߦ͏ͨΊͷΛ࡞Δ ϞϊϦγοΫͳγεςϜ։ൃͷੈքͰ͜Εಉ͡
2ԿނΠϕϯτυϦϒϯΞʔΩςΫνϟ ͳੈքͰςετͷ͕Α্͕͘Δͷ͔
wૄ݁߹ͳϚΠΫϩαʔϏε܈Λ౷߹ͯ͠ςετΛ͢Δͱ͍͏ɺࠓ·Ͱʹ͋·Γͳ͡Έ ͷͳ͍ςετͷߟ͑ํ͕ඞཁͱͳͬͨ wΞʔΩςΫνϟͷಛੑ্ɺιʔείʔυͷ࣭͕γεςϜࣗମͷ࣭ʹμΠϨΫτʹ ӨڹΛٴ΅ͨ͢ΊɺͳΜͱͳ͘Ͱࡁ·͞Εͳ͍෦͕େ͖͘ͳ͖ͬͯͨ
ΠϕϯτυϦϒϯΞʔΩςΫνϟ ͷςετઓུͬͯͲΜͳͷʁ
ΠϕϯτυϦϒϯΞʔΩςΫνϟͷςετઓུ ΠϯςάϨʔγϣϯςετ Ϣχοτςετ Ϣχοτςετ
ΠϕϯτυϦϒϯΞʔΩςΫνϟͷςετઓུ w࣮ڥʹσϓϩΠͨ͠ΞʔΩςΫνϟͷΠϯϓοτͱΞτϓοτ͕ਖ਼ ͍͜͠ͱΛΠϯςάϨʔγϣϯςετʹΑΓνΣοΫ͢Δ w֤-BNCEBϑΝϯΫγϣϯϢχοτςετʹΑΓɺ୯ମςετΛߦ͏
ΠϯςάϨʔγϣϯςετͷϙΠϯτ w4FSWFSMFTT'SBNFXPSL4".ͳͲͷσϓϩΠπʔϧΛ͍Ξʔ ΩςΫνϟΛఆٛ wσϓϩΠɺςετͷ࣮ࢪɺআͷྲྀΕΛίʔυԽ͢Δ
"1*(BUFXBZͷΠϯςάϨʔγϣϯςετྫ IUUQTHJUIVCDPNIPSJLFTFSWFSMFTTBQJJOUFHSBUJPOUFTUTBNQMF σϓϩΠ আ ςετ beforeAll(() => { Utils.deployService(); });
it('should return correct values from all apis', () => { const testEndpoint = `${endpoint}/hello`; return fetch(testEndpoint, { method: 'GET' }) .then(response => response.json()) .then((json) => expect(json.message).to.equal(‘Go function successfully!')); }); afterAll(() => { Utils.removeService(); }); });
ϢχοτςετͷྲྀΕ w"84"1*ͷଓΛϞοΫɺ-PDBM4UBDLͱ͍ͬͨԾͷڥͰஔ͖͑Δɻͭ·Γɺ "84Ϧιʔεςετ֎ͱͯ͠୯७ʹॲཧͷྲྀΕΤϥʔॲཧͷذͳͲͷϓϩάϥ Ϝ༷ͷςετʹॏΛஔ͘ w"84"1*ͷଘࡏΛҙࣝ͢ΔҎ֎ɺ͍ΘΏΔ௨ৗͷϢχοτςετ
ϞοΫΛ࡞Δྫ const dynamoDbGetStub = sinon.stub(proxyDynamoDB.prototype,’get').returns( {promise: () => { return
Promise.resolve({ Item: { post_title: 'aa', post_content: 'bb' } }) }}) %ZOBNP%#%PDVNFOU$MJFOUHFU QSPNJTF ͷฦΓΛࢦఆ -BNCEBͷϢχοτςετϕετϓϥΫςΟε IUUQRJJUBDPNIPSJLFJUFNTGGCDBF
͜ΕΒͷςετΛΈ߹Θͤͯ ͲͷΑ͏ʹ5FTU%SJWFOʹ։ൃΛߦ͏ͷ͔
5%%ͷྲྀΕ w·ͣΠϯςάϨʔγϣϯςετΛॻ͘ɻ-BNCEBਖ਼ৗܥͷΈͷͬ͘͟Γ௨ΔϨϕ ϧͰྑ͍ w࣍ʹ-BNCEBͷΤϥʔॲཧʹ͍ͭͯཧͯ͠ϢχοτςετͱϓϩάϥϜΛϒϥο γϡΞϓ w࠷ޙʹΠϯςάϨʔγϣϯςετͱϢχοτςετ͕௨Δ͜ͱΛ֬ೝͯ͠
·ͱΊ
wΠϯςάϨʔγϣϯςετΛߦͬͯϚΠΫϩαʔϏεશମΛཏ͢ΔςετΛߦ ͏ wϢχοτςετ"84"1*ͷʹଓͤͣʹ७ਮͳϓϩάϥϜͷৼΔ͍ͷΈΛς ετ͢Δ w։ൃͷࡍ·ͣΠϯςάϨʔγϣϯςετΛॻ͘ͱ͜Ζ͔Β
࠷େࣄͳ͜ͱ
ͨΓલͷ͜ͱͰ͋Γ·͕͢ɺ ࣮ઓͰ͑ΔͨΊʹࣗͰςετΛॻ͍ͯ ମʹ֮͑ͤ͞·͠ΐ͏