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Automated testing in Ruby 101
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Masafumi Okura
March 04, 2023
Programming
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1.5k
Automated testing in Ruby 101
https://k-ruby.com/kagoshima-rubykaigi02/
Masafumi Okura
March 04, 2023
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Transcript
RubyͰ͡ΊΔࣗಈςετ ࣛࣇౡRubyձٞ02 େխ࢙ʢOKURA Masafumiʣ 2022-03-04, mark MEIZAN
ࣗಈςετ
ॻ͍͍ͯΔਓ—
ࠓͷඪ
ࣗಈςετ ʹ͍ͭͯͷ ֓ཁͷཧղ
ࠓͷ͓ 1. ࣗಈςετʹ͍ͭͯ 2. Rubyʹ͓͚Δࣗಈςετ 3. ྑ͍ࣗಈςετͱ 4. ࣮ԋʂςετϑΝʔετ
ͦͷલʹ
ࣗݾհ
Okura.introduce(self) • ໊લɿେխ࢙ • ॴଐɿϑϦʔϥϯε • ՝֎׆ಈɿKaigi on RailsɺGrow.rbɺRubygems Code
Reading෦ɺ֤छొஃɺOSS׆ಈɺRails GirlsίʔνɺϑΟ ϤϧυϒʔτΩϟϯϓͷΞυόΠβʔ • ॳࣛࣇౡ
1. ࣗಈςετ ʹ͍ͭͯ
ࣗಈςετͱ
ϓϩάϥϜͱͯ͠ ࣮͞Εͨςετ
ϓϩάϥϜͳͷͰ ࣗಈԽ͕؆୯
ςετͳͷͰ ͋ΔछͷݕূΛ ߦ͏
ࣗಈςετʹ͍ͭͯ 1. ࣗಈςετͷԸܙ 2. ࣗಈςετͷछྨ 3. ࣗಈςετͷҙ
1.1 ࣗಈςετͷ Ըܙ
ࣗಈςετԿ͕خ͍͠ͷ͔ʁ • ίʔυʹର͢ΔυΩϡϝϯτʹͳΔ • ίʔυͷWhatΛઆ໌͢Δ • όάͷ࠶ൃʢϦάϨογϣϯʣΛ͙ • ϦϑΝΫλϦϯάͷॿ͚ʹͳΔʢ΄΅ඞਢʣ •
ʢςετΛઌʹॻ͘߹ʣίʔυͷ্࣭͕͕Δ • ʮςετϑΝʔετʯ
1.2 ࣗಈςετͷ छྨ
ࣗಈςετͷछྨ • ୯ମςετʢϢχοτςετʣ • ଞͷίϯϙʔωϯτ͔ΒΓͯ͠ςετ • ݁߹ςετ • ͍͔ͭ͘ͷίϯϙʔωϯτΛΈ߹Θͤͯςετ
1.3 ࣗಈςετͷ ҙ
ࣗಈςετͰҙ͖͢͜ͱ • ʮόά͕ͳ͍ʯ͜ͱͷূ໌ʹͳΒͳ͍ • ʮςετ͕௨ͬͨʂˠόάͬͯͨorzʯΈ͍ͨͳ͜ͱ Α͋͘Δ • ίʔυΛॻ͍͔ͯΒςετΛॻ͘ͱେมʹͳΓ͕ͪ • ςετϑΝʔετͷํָ͕ʢݸਓͷҙݟͰ͢ʣ
͜ͷ࣌Ͱ ͑ͯ ͓͖͍ͨ͜ͱ
ࣗಈςετ ॻ͘ͷ
ࣗಈςετجຊతʹॻ͘ • ʮςετϑΝʔετʯ͔ʮςετϥετʯ͔ͲͪΒͰ Α͍ • MiniTest͔RSpec͔ͲͪΒͰΑ͍ • ࡉ͔͍͜ͱׂͱؾʹ͠ͳ͍ͰΑ͍ • ͱʹ͔͘ॻ͘
ॻ͔ͳ͍ޙչ ΑΓ ॻ͘ޙչ
2. Rubyʹ͓͚Δ ࣗಈςετ
Rubyͷੈքʹ ͨ͘͞Μͷςετ gem͕͋Γ·͢
ςετgemͷখྨ 1. ςετϑϨʔϜϫʔΫ 2. ಛఆ༻్͚DSL 3. αϙʔτϥΠϒϥϦ
2.1 ςετ ϑϨʔϜϫʔΫ
RubyͷςετϑϨʔϜϫʔΫ • RSpec • μϯϩʔυ͕࠷ଟɺ൚༻ςετDSLͰ͋Δ • MiniTest • xUnitܥ౷ɺεϐʔυͱγϯϓϧ͕͞Ϧ •
Test::Unit • ࠷ݹͷςετϑϨʔϜϫʔΫɺxUnitܥ౷
2.2 ಛఆ༻్͚ DSL
ಛఆ༻్͚DSL • Capybara • ϒϥβૢ࡞ͷͨΊͷDSL • Cucumber • ड͚ೖΕςετͷͨΊͷDSLɺຊޠ͕ॻ͚Δ
2.3 αϙʔτ ϥΠϒϥϦ
αϙʔτϥΠϒϥϦ • FactoryBot • ςετσʔλʢߏԽ͞Εͨσʔλʣͷੜ • Faker • ϥϯμϜσʔλʢϝʔϧΞυϨε໊લͳͲʣ •
Timecop • ࣌ؒΛૢ࡞͢Δ
3. ྑ͍ࣗಈςετ ͱ
ྑ͍ࣗಈςετͷϙΠϯτ • ࣗಈςετίʔυͳͷͰɺྑ͍ίʔυͷݪଇΛద༻͢Δ • Մಡੑʢ໋໊ɺཻͷখ͞͞ͳͲʣ • దͳߏԽ • ࣮ߦ࣌ؒͷ͞ •
ແବͳσʔλੜΛආ͚ΔʢಛʹσʔλϕʔεΞΫηε͍ʣ • ୯ମςετʹدͤΔʢ݁߹ςετ͍ʣ
• RSpecͩͱྑ͍ςετʹ͍ͭͯٞʹͳΓ͕ͪ • letͱlet!ͱbeforeͷ͍͚ • contextͱitʹຊޠΛ͑Δ͔ʁ • etc… •
ϩʔΧϧͳ׳शʹै͏ͷ͕٢
4. ࣮ԋʂ ςετϑΝʔετ