{"id":2705,"date":"2026-10-24T09:28:26","date_gmt":"2026-10-24T09:28:26","guid":{"rendered":"https:\/\/wayhope.kro.kr\/?p=2705"},"modified":"2026-10-24T09:28:26","modified_gmt":"2026-10-24T09:28:26","slug":"%ed%85%8c%ec%8a%a4%ed%8a%b8-%ea%b8%b0%eb%b3%b8-%eb%8b%a8%ec%9c%84-%ed%85%8c%ec%8a%a4%ed%8a%b8-%ed%86%b5%ed%95%a9-%ed%85%8c%ec%8a%a4%ed%8a%b8-%ec%8b%9c%ec%8a%a4%ed%85%9c-%ed%85%8c%ec%8a%a4%ed%8a%b8","status":"publish","type":"post","link":"https:\/\/wayhope.kro.kr\/?p=2705","title":{"rendered":"\ud14c\uc2a4\ud2b8 \uae30\ubcf8 #\ub2e8\uc704 \ud14c\uc2a4\ud2b8, \ud1b5\ud569 \ud14c\uc2a4\ud2b8, \uc2dc\uc2a4\ud15c \ud14c\uc2a4\ud2b8, \ud14c\uc2a4\ud2b8 \ub354\ube14\uacfc Jest"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\ud14c\uc2a4\ud2b8\uc758 \ubaa9\uc801<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc18c\ud504\ud2b8\uc6e8\uc5b4 \ud14c\uc2a4\ud2b8\ub294 \ucf54\ub4dc\uac00 \uc758\ub3c4\ud55c \ub300\ub85c \ub3d9\uc791\ud558\ub294\uc9c0 \uac80\uc99d\ud558\uace0, \ubcc0\uacbd\uc73c\ub85c \uc778\ud574 \uae30\uc874 \uae30\ub2a5\uc774 \uc190\uc0c1\ub418\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\ub294 \uac1c\ubc1c \ud65c\ub3d9\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucf54\ub4dc\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \uc2e4\ud589\ub41c\ub2e4\ub294 \uc0ac\uc2e4\ub9cc\uc73c\ub85c\ub294 \uc62c\ubc14\ub978 \ub3d9\uc791\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc5c6\ub2e4. \uc608\uc0c1\ud558\uc9c0 \ubabb\ud55c \uc785\ub825, \uc678\ubd80 \uc2dc\uc2a4\ud15c\uc758 \uc7a5\uc560, \ub3d9\uc2dc \uc694\uccad, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc624\ub958 \ub4f1 \ub2e4\uc591\ud55c \uc0c1\ud669\uc5d0\uc11c \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud14c\uc2a4\ud2b8\uc758 \ud575\uc2ec \ubaa9\uc801\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc815\ud655\uc131 \uac80\uc99d<\/strong>: \uc694\uad6c\uc0ac\ud56d\uacfc \uad6c\ud604 \uacb0\uacfc\uac00 \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud55c\ub2e4.<\/li>\n\n\n\n<li><strong>\ud68c\uadc0 \ubc29\uc9c0<\/strong>: \uae30\uc874 \uae30\ub2a5\uc744 \uc218\uc815\ud55c \ub4a4 \ub2e4\ub978 \uae30\ub2a5\uc774 \uc190\uc0c1\ub418\uc9c0 \uc54a\uc558\ub294\uc9c0 \uac80\uc99d\ud55c\ub2e4.<\/li>\n\n\n\n<li><strong>\uc7a5\uc560 \uc870\uae30 \ubc1c\uacac<\/strong>: \uac1c\ubc1c \ub2e8\uacc4\uc5d0\uc11c \uc624\ub958\ub97c \ubc1c\uacac\ud574 \uc218\uc815 \ube44\uc6a9\uc744 \uc904\uc778\ub2e4.<\/li>\n\n\n\n<li><strong>\uc124\uacc4 \uac1c\uc120<\/strong>: \ud14c\uc2a4\ud2b8\ud558\uae30 \uc5b4\ub824\uc6b4 \ucf54\ub4dc\ub97c \uc2dd\ubcc4\ud558\uace0 \uc758\uc874\uc131\uc744 \ubd84\ub9ac\ud55c\ub2e4.<\/li>\n\n\n\n<li><strong>\ubcc0\uacbd \uc548\uc815\uc131 \ud655\ubcf4<\/strong>: \ub9ac\ud329\ud130\ub9c1\uc774\ub098 \uae30\ub2a5 \ucd94\uac00 \uc774\ud6c4\uc5d0\ub3c4 \uae30\uc874 \ub3d9\uc791\uc744 \ubcf4\uc7a5\ud55c\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud14c\uc2a4\ud2b8\ub294 \uc624\ub958\uac00 \uc5c6\uc74c\uc744 \uc99d\uba85\ud558\ub294 \uc218\ub2e8\uc774 \uc544\ub2c8\ub2e4. \ud2b9\uc815 \uc870\uac74\uc5d0\uc11c \uae30\ub300\ud55c \ub3d9\uc791\uc774 \uc720\uc9c0\ub418\ub294\uc9c0\ub97c \uac80\uc99d\ud558\ub294 \uc218\ub2e8\uc774\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub2e8\uc704 \ud14c\uc2a4\ud2b8(Unit Test)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uc704 \ud14c\uc2a4\ud2b8\ub294 \ud568\uc218, \ud074\ub798\uc2a4, \ubaa8\ub4c8\ucc98\ub7fc \ub3c5\ub9bd\uc801\uc73c\ub85c \uac80\uc99d\ud560 \uc218 \uc788\ub294 \uc791\uc740 \ub2e8\uc704\ub97c \ub300\uc0c1\uc73c\ub85c \uc218\ud589\ud558\ub294 \ud14c\uc2a4\ud2b8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc73c\ub85c \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub098 \ub124\ud2b8\uc6cc\ud06c \uac19\uc740 \uc678\ubd80 \uc758\uc874\uc131\uc744 \ubd84\ub9ac\ud558\uace0, \ud14c\uc2a4\ud2b8 \ub300\uc0c1\uc758 \ub85c\uc9c1 \uc790\uccb4\ub97c \uac80\uc99d\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \uac8c\uc784 \uc11c\ubc84\uc5d0\uc11c \ud3ec\uc778\ud2b8\ub97c \uc9c0\uae09\ud558\ub294 \ud568\uc218\uac00 \uc788\ub2e4\uace0 \uac00\uc815\ud558\uc790.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>function calculateReward(score) {\n  if (score &lt; 0) {\n    throw new Error(\"Invalid score\");\n  }\n\n  return score * 10;\n}\n\nmodule.exports = { calculateReward };<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ud568\uc218\uc758 \ub2e8\uc704 \ud14c\uc2a4\ud2b8\ub294 \uc810\uc218\uc5d0 \ub530\ub978 \ubcf4\uc0c1 \uacc4\uc0b0\uacfc \uc798\ubabb\ub41c \uc785\ub825\uc5d0 \ub300\ud55c \uc608\uc678 \ucc98\ub9ac\ub97c \uac80\uc99d\ud55c\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const { calculateReward } = require(\".\/reward\");\n\ntest(\"\uc810\uc218\uc5d0 \ube44\ub840\ud574 \ubcf4\uc0c1\uc744 \uacc4\uc0b0\ud55c\ub2e4\", () =&gt; {\n  expect(calculateReward(100)).toBe(1000);\n});\n\ntest(\"\uc74c\uc218 \uc810\uc218\ub294 \uc624\ub958\ub97c \ubc1c\uc0dd\uc2dc\ud0a8\ub2e4\", () =&gt; {\n  expect(() =&gt; calculateReward(-1))\n    .toThrow(\"Invalid score\");\n});<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uc704 \ud14c\uc2a4\ud2b8\ub294 \uc2e4\ud589 \uc18d\ub3c4\uac00 \ube60\ub974\uace0 \uc2e4\ud328 \uc6d0\uc778\uc744 \ud30c\uc545\ud558\uae30 \uc27d\ub2e4. \ub530\ub77c\uc11c \ub2e4\uc591\ud55c \uc785\ub825\uacfc \uacbd\uacc4 \uc870\uac74\uc744 \uac80\uc99d\ud558\ub294 \ub370 \uc801\ud569\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud2b9\ud788 \ub2e4\uc74c\uacfc \uac19\uc740 \ub85c\uc9c1\uc740 \ub2e8\uc704 \ud14c\uc2a4\ud2b8\uc758 \ud6a8\uacfc\uac00 \ud06c\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud3ec\uc778\ud2b8\uc640 \ubcf4\uc0c1 \uacc4\uc0b0<\/li>\n\n\n\n<li>\uac8c\uc784 \uc2b9\ud328 \ud310\uc815<\/li>\n\n\n\n<li>\uc785\ub825\uac12 \uac80\uc99d<\/li>\n\n\n\n<li>\uad8c\ud55c \ud655\uc778 \ub85c\uc9c1<\/li>\n\n\n\n<li>\uc810\uc218 \ubc0f \ub7ad\ud0b9 \uacc4\uc0b0<\/li>\n\n\n\n<li>\ub370\uc774\ud130 \ubcc0\ud658\uacfc \uc815\uaddc\ud654<\/li>\n\n\n\n<li>\uc608\uc678 \ucc98\ub9ac \ubc0f \uacbd\uacc4 \uc870\uac74<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uc704 \ud14c\uc2a4\ud2b8\uc5d0\uc11c \uc8fc\uc758\ud560 \uc810\uc740 \uad6c\ud604 \uc138\ubd80 \uc0ac\ud56d\uc5d0 \uc9c0\ub098\uce58\uac8c \uc758\uc874\ud558\uc9c0 \uc54a\ub294 \uac83\uc774\ub2e4. \ub0b4\ubd80 \ud568\uc218 \ud638\ucd9c \uc21c\uc11c\ub098 \ubcc0\uc218 \uad6c\uc870\uae4c\uc9c0 \uace0\uc815\ud558\uba74 \ucf54\ub4dc\uc758 \ub3d9\uc791\uc740 \ub3d9\uc77c\ud574\ub3c4 \ub9ac\ud329\ud130\ub9c1\ud560 \ub54c\ub9c8\ub2e4 \ud14c\uc2a4\ud2b8\ub97c \uc218\uc815\ud574\uc57c \ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud575\uc2ec\uc740 \ub0b4\ubd80 \uad6c\ud604\uc774 \uc544\ub2c8\ub77c \uc678\ubd80\uc5d0\uc11c \uad00\ucc30\ud560 \uc218 \uc788\ub294 \ub3d9\uc791\uc744 \uac80\uc99d\ud558\ub294 \uac83\uc774\ub2e4.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud1b5\ud569 \ud14c\uc2a4\ud2b8(Integration Test)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud1b5\ud569 \ud14c\uc2a4\ud2b8\ub294 \uc5ec\ub7ec \ubaa8\ub4c8\uc774\ub098 \uc2dc\uc2a4\ud15c \uad6c\uc131 \uc694\uc18c\uac00 \uc5f0\uacb0\ub418\uc5c8\uc744 \ub54c \uc62c\ubc14\ub974\uac8c \ub3d9\uc791\ud558\ub294\uc9c0 \uac80\uc99d\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac1c\ubcc4 \ud568\uc218\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \ub3d9\uc791\ud558\ub354\ub77c\ub3c4 \ubaa8\ub4c8 \uac04\uc758 \ub370\uc774\ud130 \uc804\ub2ec, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ucffc\ub9ac, \ud2b8\ub79c\uc7ad\uc158 \ucc98\ub9ac, \uc678\ubd80 \uc11c\ube44\uc2a4 \uc5f0\ub3d9\uc5d0\uc11c \uc624\ub958\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \uac8c\uc784 \uc11c\ubc84\uc5d0\uc11c \ud3ec\uc778\ud2b8\ub97c \uc9c0\uae09\ud558\ub294 \uae30\ub2a5\uc740 \ub2e4\uc74c \uad6c\uc131 \uc694\uc18c\ub97c \ud3ec\ud568\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubcf4\uc0c1 \uc9c0\uae09 \uc11c\ube44\uc2a4<\/li>\n\n\n\n<li>\ud3ec\uc778\ud2b8 \uc6d0\uc7a5 \uc800\uc7a5\uc18c<\/li>\n\n\n\n<li>\uc0ac\uc6a9\uc790 \uc794\uc561 \ub370\uc774\ud130\ubca0\uc774\uc2a4<\/li>\n\n\n\n<li>\ud2b8\ub79c\uc7ad\uc158 \ucc98\ub9ac \ub85c\uc9c1<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uc704 \ud14c\uc2a4\ud2b8\uc5d0\uc11c\ub294 \ubcf4\uc0c1 \uacc4\uc0b0 \uacb0\uacfc\ub97c \uac80\uc99d\ud560 \uc218 \uc788\uc9c0\ub9cc, \ud1b5\ud569 \ud14c\uc2a4\ud2b8\uc5d0\uc11c\ub294 \uc2e4\uc81c \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 \uc5f0\uacb0\ud574 \uc9c0\uae09 \uacb0\uacfc\uac00 \uc62c\ubc14\ub974\uac8c \uc800\uc7a5\ub418\ub294\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>test(\"\ubcf4\uc0c1 \uc9c0\uae09 \uacb0\uacfc\uac00 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \ubc18\uc601\ub41c\ub2e4\", async () =&gt; {\n  const user = await createTestUser({\n    points: 100\n  });\n\n  await rewardService.grant(user.id, 50);\n\n  const updatedUser = await userRepository.findById(\n    user.id\n  );\n\n  expect(updatedUser.points).toBe(150);\n});<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704 \ucf54\ub4dc\ub294 \ud14c\uc2a4\ud2b8\uc6a9 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 \uc800\uc7a5\uc18c \uad6c\ud604\uc774 \uc900\ube44\ub418\uc5b4 \uc788\ub2e4\ub294 \uac00\uc815\ud558\uc5d0 \uc791\uc131\ud55c \uc608\uc2dc\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud1b5\ud569 \ud14c\uc2a4\ud2b8\ub294 \uc2e4\uc81c \uc758\uc874\uc131\uc744 \uc0ac\uc6a9\ud558\ub294 \ubc94\uc704\uc5d0 \ub530\ub77c \ub2e4\uc591\ud55c \ud615\ud0dc\ub85c \uad6c\uc131\ud560 \uc218 \uc788\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uc2e4\uc81c \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \uc0ac\uc6a9\ud558\uac70\ub098, \uc678\ubd80 \uacb0\uc81c \uc11c\ube44\uc2a4 \ub300\uc2e0 \ud14c\uc2a4\ud2b8 \uc11c\ubc84\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc8fc\uc694 \uac80\uc99d \ub300\uc0c1\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc800\uc7a5 \ubc0f \uc870\ud68c<\/li>\n\n\n\n<li>\ud2b8\ub79c\uc7ad\uc158\uc758 \ucee4\ubc0b\uacfc \ub864\ubc31<\/li>\n\n\n\n<li>API\uc640 \uc11c\ube44\uc2a4 \uacc4\uce35 \uac04\uc758 \uc5f0\ub3d9<\/li>\n\n\n\n<li>\uce90\uc2dc\uc640 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uac04\uc758 \uc815\ud569\uc131<\/li>\n\n\n\n<li>\uba54\uc2dc\uc9c0 \ube0c\ub85c\ucee4\ub97c \ud1b5\ud55c \uc774\ubca4\ud2b8 \uc804\ub2ec<\/li>\n\n\n\n<li>\uc778\uc99d \ubbf8\ub4e4\uc6e8\uc5b4\uc640 \uad8c\ud55c \uac80\uc99d\uc758 \uc5f0\uacb0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud1b5\ud569 \ud14c\uc2a4\ud2b8\ub294 \ub2e8\uc704 \ud14c\uc2a4\ud2b8\ubcf4\ub2e4 \uc2e4\ud589 \ube44\uc6a9\uc774 \ub192\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ucd08\uae30\ud654, \ud14c\uc2a4\ud2b8 \ub370\uc774\ud130 \uc815\ub9ac, \uc678\ubd80 \uc11c\ube44\uc2a4 \uc900\ube44 \ub4f1\uc774 \ud544\uc694\ud558\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \ubaa8\ub4e0 \ud14c\uc2a4\ud2b8\ub97c \ud1b5\ud569 \ud14c\uc2a4\ud2b8\ub85c \uc791\uc131\ud558\uae30\ubcf4\ub2e4\ub294, \uad6c\uc131 \uc694\uc18c \uac04\uc758 \uc5f0\uacb0\uc5d0\uc11c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uc624\ub958\ub97c \uc9d1\uc911\uc801\uc73c\ub85c \uac80\uc99d\ud558\ub294 \ud3b8\uc774 \ud6a8\uc728\uc801\uc774\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc2dc\uc2a4\ud15c \ud14c\uc2a4\ud2b8(System Test)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2dc\uc2a4\ud15c \ud14c\uc2a4\ud2b8\ub294 \uc644\uc131\ub41c \uc2dc\uc2a4\ud15c\uc744 \uc804\uccb4\uc801\uc778 \uad00\uc810\uc5d0\uc11c \uac80\uc99d\ud558\ub294 \ud14c\uc2a4\ud2b8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac1c\ubcc4 \ud568\uc218\ub098 \ubaa8\ub4c8\uc774 \uc544\ub2c8\ub77c \uc2dc\uc2a4\ud15c\uc774 \uc694\uad6c\uc0ac\ud56d\uc744 \ucda9\uc871\ud558\ub294\uc9c0 \ud655\uc778\ud55c\ub2e4. \uc2e4\uc81c \uc0ac\uc6a9\uc790 \uc694\uccad\ubd80\ud130 \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1 \uc2e4\ud589, \ub370\uc774\ud130 \uc800\uc7a5, \uacb0\uacfc \ubc18\ud658\uae4c\uc9c0 \uc804\uccb4 \ud750\ub984\uc744 \uac80\uc99d\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \uba40\ud2f0\ud50c\ub808\uc774\uc5b4 \uac8c\uc784 \ud50c\ub7ab\ud3fc\uc5d0\uc11c \uacbd\uae30 \uacb0\uacfc\uc5d0 \ub530\ub978 \ubcf4\uc0c1\uc744 \uc9c0\uae09\ud558\ub294 \uae30\ub2a5\uc744 \uc0dd\uac01\ud574 \ubcf4\uc790.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0ac\uc6a9\uc790\uac00 \uacbd\uae30 \uacb0\uacfc\ub97c \uc81c\ucd9c\ud558\uba74 \uc2dc\uc2a4\ud15c\uc740 \ub2e4\uc74c \uacfc\uc815\uc744 \uc218\ud589\ud55c\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc694\uccad\uc744 \uc218\uc2e0\ud558\uace0 \uc0ac\uc6a9\uc790\ub97c \uc778\uc99d\ud55c\ub2e4.<\/li>\n\n\n\n<li>\uc694\uccad \ub370\uc774\ud130\uc640 \uacbd\uae30 \uacb0\uacfc\ub97c \uac80\uc99d\ud55c\ub2e4.<\/li>\n\n\n\n<li>\uacbd\uae30 \uacb0\uacfc\ub97c \uc800\uc7a5\ud55c\ub2e4.<\/li>\n\n\n\n<li>\ubcf4\uc0c1 \uc9c0\uae09\uc744 \ucc98\ub9ac\ud55c\ub2e4.<\/li>\n\n\n\n<li>\ucc98\ub9ac \uacb0\uacfc\ub97c \uc0ac\uc6a9\uc790\uc5d0\uac8c \ubc18\ud658\ud55c\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2dc\uc2a4\ud15c \ud14c\uc2a4\ud2b8\ub294 \uc774 \ud750\ub984\uc774 \ud558\ub098\uc758 \uae30\ub2a5\uc73c\ub85c \uc62c\ubc14\ub974\uac8c \uc791\ub3d9\ud558\ub294\uc9c0 \uac80\uc99d\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc8fc\uc694 \uac80\uc99d \ub300\uc0c1\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc0ac\uc6a9\uc790 \ub85c\uadf8\uc778\ubd80\ud130 \uc8fc\uc694 \uae30\ub2a5 \uc2e4\ud589\uae4c\uc9c0\uc758 \uc804\uccb4 \ud750\ub984<\/li>\n\n\n\n<li>\uacbd\uae30 \uc885\ub8cc\ubd80\ud130 \uacb0\uacfc \uc800\uc7a5 \ubc0f \ubcf4\uc0c1 \uc9c0\uae09\uae4c\uc9c0\uc758 \uacfc\uc815<\/li>\n\n\n\n<li>\uc798\ubabb\ub41c \uc694\uccad\uc5d0 \ub300\ud55c \uc624\ub958 \uc751\ub2f5<\/li>\n\n\n\n<li>\uad8c\ud55c\uc774 \uc5c6\ub294 \uc0ac\uc6a9\uc790\uc758 \uc811\uadfc \ucc28\ub2e8<\/li>\n\n\n\n<li>\uc7a5\uc560 \uc0c1\ud669\uc5d0\uc11c\uc758 \ubcf5\uad6c \ub3d9\uc791<\/li>\n\n\n\n<li>\uc131\ub2a5 \ubc0f \ubd80\ud558 \uc694\uad6c\uc0ac\ud56d \ucda9\uc871 \uc5ec\ubd80<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2dc\uc2a4\ud15c \ud14c\uc2a4\ud2b8\ub294 \uc2e4\uc81c \uc6b4\uc601 \ud658\uacbd\uacfc \uc720\uc0ac\ud55c \uc870\uac74\uc5d0\uc11c \uc218\ud589\ud558\ub294 \uac83\uc774 \uc774\uc0c1\uc801\uc774\ub2e4. \ub2e4\ub9cc \ud14c\uc2a4\ud2b8 \ud658\uacbd\uc744 \uc6b4\uc601 \ud658\uacbd\uacfc \uc644\uc804\ud788 \ub3d9\uc77c\ud558\uac8c \uad6c\uc131\ud558\uae30\ub294 \uc5b4\ub835\uae30 \ub54c\ubb38\uc5d0, \ud658\uacbd \ucc28\uc774\uc640 \uc678\ubd80 \uc758\uc874\uc131\uc758 \uc601\ud5a5\uc744 \uace0\ub824\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2dc\uc2a4\ud15c \ud14c\uc2a4\ud2b8\uc640 \uc778\uc218 \ud14c\uc2a4\ud2b8\ub294 \uad00\ub828\uc774 \uc788\uc9c0\ub9cc \ubaa9\uc801\uc774 \uc644\uc804\ud788 \uac19\uc9c0\ub294 \uc54a\ub2e4. \uc2dc\uc2a4\ud15c \ud14c\uc2a4\ud2b8\uac00 \uc2dc\uc2a4\ud15c \uc804\uccb4\uc758 \uc694\uad6c\uc0ac\ud56d \ucda9\uc871 \uc5ec\ubd80\ub97c \uac80\uc99d\ud55c\ub2e4\uba74, \uc778\uc218 \ud14c\uc2a4\ud2b8\ub294 \uc0ac\uc6a9\uc790\ub098 \ubc1c\uc8fc\uc790\uc758 \uc218\uc6a9 \uae30\uc900\uc744 \ucda9\uc871\ud558\ub294\uc9c0 \ud655\uc778\ud558\ub294 \ub370 \ucd08\uc810\uc744 \ub454\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud14c\uc2a4\ud2b8 \uc218\uc900\uc758 \ucc28\uc774<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\uad6c\ubd84<\/th><th>\ub2e8\uc704 \ud14c\uc2a4\ud2b8<\/th><th>\ud1b5\ud569 \ud14c\uc2a4\ud2b8<\/th><th>\uc2dc\uc2a4\ud15c \ud14c\uc2a4\ud2b8<\/th><\/tr><tr><td>\uac80\uc99d \ub300\uc0c1<\/td><td>\uac1c\ubcc4 \ud568\uc218 \ubc0f \ubaa8\ub4c8<\/td><td>\uad6c\uc131 \uc694\uc18c \uac04 \uc5f0\uacb0<\/td><td>\uc804\uccb4 \uc2dc\uc2a4\ud15c<\/td><\/tr><tr><td>\uc8fc\uc694 \ubaa9\uc801<\/td><td>\ub85c\uc9c1\uc758 \uc815\ud655\uc131<\/td><td>\uc5f0\ub3d9\uc758 \uc815\ud655\uc131<\/td><td>\uc694\uad6c\uc0ac\ud56d \ucda9\uc871 \uc5ec\ubd80<\/td><\/tr><tr><td>\uc678\ubd80 \uc758\uc874\uc131<\/td><td>\ub300\uccb4\ub85c \ubd84\ub9ac<\/td><td>\ud544\uc694\ud55c \uc758\uc874\uc131\uc744 \uc5f0\uacb0<\/td><td>\uc2e4\uc81c \ud658\uacbd\uacfc \uc720\uc0ac\ud558\uac8c \uad6c\uc131<\/td><\/tr><tr><td>\uc2e4\ud589 \ube44\uc6a9<\/td><td>\ub0ae\uc74c<\/td><td>\uc911\uac04<\/td><td>\uc0c1\ub300\uc801\uc73c\ub85c \ub192\uc74c<\/td><\/tr><tr><td>\uc2e4\ud328 \uc6d0\uc778 \ud30c\uc545<\/td><td>\ube44\uad50\uc801 \uc26c\uc6c0<\/td><td>\uc5f0\uacb0 \uad00\uacc4\ub97c \uc870\uc0ac\ud574\uc57c \ud568<\/td><td>\uc5ec\ub7ec \uacc4\uce35\uc744 \ucd94\uc801\ud560 \uc218 \uc788\uc74c<\/td><\/tr><tr><td>\ub300\ud45c \uc0ac\ub840<\/td><td>\ubcf4\uc0c1 \uacc4\uc0b0 \uac80\uc99d<\/td><td>DB \uc800\uc7a5 \ubc0f \ud2b8\ub79c\uc7ad\uc158 \uac80\uc99d<\/td><td>\uacbd\uae30 \uacb0\uacfc\ubd80\ud130 \ubcf4\uc0c1 \uc9c0\uae09\uae4c\uc9c0 \uac80\uc99d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud6a8\uc728\uc801\uc778 \ud14c\uc2a4\ud2b8 \uc804\ub7b5\uc740 \ud2b9\uc815 \ud14c\uc2a4\ud2b8 \uc218\uc900 \ud558\ub098\uc5d0 \uc9d1\uc911\ud558\uc9c0 \uc54a\ub294\ub2e4. \ube60\ub974\uace0 \uc138\ubc00\ud55c \ub2e8\uc704 \ud14c\uc2a4\ud2b8\ub97c \uae30\ubc18\uc73c\ub85c \ud1b5\ud569 \ud14c\uc2a4\ud2b8\ub97c \ucd94\uac00\ud558\uace0, \ud575\uc2ec \uc0ac\uc6a9\uc790 \ud750\ub984\uc744 \uc2dc\uc2a4\ud15c \ud14c\uc2a4\ud2b8\ub85c \uac80\uc99d\ud558\ub294 \ubc29\uc2dd\uc774 \ud6a8\uacfc\uc801\uc774\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud14c\uc2a4\ud2b8 \ub354\ube14(Test Double)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud14c\uc2a4\ud2b8 \ub354\ube14\uc740 \ud14c\uc2a4\ud2b8 \ub300\uc0c1\uc774 \uc758\uc874\ud558\ub294 \uc2e4\uc81c \uac1d\uccb4\ub97c \ub300\uccb4\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ud558\ub294 \uac1d\uccb4\ub098 \uad6c\ud604\uccb4\ub97c \uc758\ubbf8\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc678\ubd80 \uc2dc\uc2a4\ud15c\uc744 \uc9c1\uc811 \ud638\ucd9c\ud558\uba74 \ud14c\uc2a4\ud2b8\uac00 \ub290\ub824\uc9c0\uac70\ub098, \ub124\ud2b8\uc6cc\ud06c \uc0c1\ud0dc\uc640 \uc678\ubd80 \uc11c\ube44\uc2a4\uc758 \ub370\uc774\ud130\uc5d0 \ub530\ub77c \uacb0\uacfc\uac00 \ub2ec\ub77c\uc9c8 \uc218 \uc788\ub2e4. \ud14c\uc2a4\ud2b8 \ub354\ube14\uc740 \uc774\ub7ec\ud55c \uc758\uc874\uc131\uc744 \ud1b5\uc81c\ud574 \ud14c\uc2a4\ud2b8\ub97c \ub3c5\ub9bd\uc801\uc774\uace0 \uc608\uce21 \uac00\ub2a5\ud558\uac8c \ub9cc\ub4e0\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ud45c\uc801\uc778 \uc720\ud615\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Dummy<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c \ub3d9\uc791\uc5d0 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0, \ub9e4\uac1c\ubcc0\uc218\ub098 \uc758\uc874\uc131\uc744 \ucc44\uc6b0\uae30 \uc704\ud574 \uc804\ub2ec\ud558\ub294 \uac1d\uccb4\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Stub<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud14c\uc2a4\ud2b8\uc5d0\uc11c \ubbf8\ub9ac \uc815\ud574\uc9c4 \uac12\uc744 \ubc18\ud658\ud558\ub294 \uac1d\uccb4\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \uc0ac\uc6a9\uc790 \uc870\ud68c \uacb0\uacfc\ub97c \uace0\uc815\ud574 \uc11c\ube44\uc2a4 \ub85c\uc9c1\ub9cc \uac80\uc99d\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const userRepository = {\n  findById: async () =&gt; ({\n    id: \"user-a\",\n    points: 100\n  })\n};<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Fake<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c \uad6c\ud604\ubcf4\ub2e4 \ub2e8\uc21c\ud558\uc9c0\ub9cc, \ub3d9\uc791 \uac00\ub2a5\ud55c \ub300\uccb4 \uad6c\ud604\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \uc2e4\uc81c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub300\uc2e0 \uba54\ubaa8\ub9ac\uc5d0 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\ub294 \uc800\uc7a5\uc18c\ub97c \ub9cc\ub4e4 \uc218 \uc788\ub2e4. Fake\ub294 \uc2e4\uc81c \uc2dc\uc2a4\ud15c\uc758 \ubaa8\ub4e0 \ud2b9\uc131\uc744 \uc7ac\ud604\ud558\uc9c0 \uc54a\uc73c\ubbc0\ub85c, \uc2e4\uc81c \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ud2b8\ub79c\uc7ad\uc158\uc774\ub098 \uc778\ub371\uc2a4 \ub3d9\uc791\uae4c\uc9c0 \uac80\uc99d\ud560 \uc218\ub294 \uc5c6\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Spy<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uac1d\uccb4\ub098 \ud568\uc218\uc758 \ud638\ucd9c \uc5ec\ubd80, \uc804\ub2ec\ub41c \uc778\uc790, \ud638\ucd9c \ud69f\uc218 \ub4f1\uc744 \uad00\ucc30\ud558\ub294 \ub370 \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ubcf4\uc0c1 \uc9c0\uae09 \uacfc\uc815\uc5d0\uc11c \uc54c\ub9bc \uc11c\ube44\uc2a4\uac00 \ud638\ucd9c\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mock<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\ub300\ud558\ub294 \ud638\ucd9c \ubc29\uc2dd\uacfc \uc778\uc790\ub97c \uc124\uc815\ud558\uace0, \uc2e4\uc81c \uc2e4\ud589 \uacb0\uacfc\uac00 \uae30\ub300\uc640 \uc77c\uce58\ud558\ub294\uc9c0 \uac80\uc99d\ud558\ub294 \uac1d\uccb4\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jest\uc5d0\uc11c\ub294 Mock \ud568\uc218\ub97c \uc0ac\uc6a9\ud574 \ud568\uc218 \ud638\ucd9c\uc744 \uae30\ub85d\ud558\uace0 \ubc18\ud658\uac12\uc774\ub098 \ub3d9\uc791\uc744 \uc81c\uc5b4\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const sendNotification = jest.fn();\n\nsendNotification(\"user-a\", \"Reward received\");\n\nexpect(sendNotification).toHaveBeenCalledWith(\n  \"user-a\",\n  \"Reward received\"\n);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\ubb34\uc5d0\uc11c\ub294 Stub, Spy, Mock\uc758 \uae30\ub2a5\uc774 \uacb9\uce60 \uc218 \uc788\ub2e4. \ub530\ub77c\uc11c \uc6a9\uc5b4 \uc790\uccb4\ub97c \uc5c4\uaca9\ud558\uac8c \uad6c\ubd84\ud558\uae30\ubcf4\ub2e4\ub294, \ud14c\uc2a4\ud2b8 \ub354\ube14\uc744 \uc0ac\uc6a9\ud558\ub294 \ubaa9\uc801\uc774 \ubb34\uc5c7\uc778\uc9c0 \uba85\ud655\ud788 \ud558\ub294 \uac83\uc774 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud14c\uc2a4\ud2b8 \ub354\ube14\uc740 \uc678\ubd80 \uc758\uc874\uc131\uc744 \ubd84\ub9ac\ud558\ub294 \ub370 \uc720\uc6a9\ud558\uc9c0\ub9cc, \ubaa8\ub4e0 \uc758\uc874\uc131\uc744 Mock\uc73c\ub85c \ub300\uccb4\ud558\uba74 \uc2e4\uc81c \uc2dc\uc2a4\ud15c\uacfc \ud14c\uc2a4\ud2b8 \uc0ac\uc774\uc5d0 \ucc28\uc774\uac00 \ucee4\uc9c8 \uc218 \uc788\ub2e4. \ud2b9\ud788 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ucffc\ub9ac, \ud2b8\ub79c\uc7ad\uc158, \uba54\uc2dc\uc9c0 \uc804\ub2ec\ucc98\ub7fc \uc2e4\uc81c \uc5f0\ub3d9\uc774 \uc911\uc694\ud55c \ubd80\ubd84\uc740 \ud1b5\ud569 \ud14c\uc2a4\ud2b8\ub85c \uac80\uc99d\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jest<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Jest\ub294 JavaScript \ubc0f TypeScript \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \ud14c\uc2a4\ud2b8 \ud504\ub808\uc784\uc6cc\ud06c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud14c\uc2a4\ud2b8 \uc2e4\ud589, \uacb0\uacfc \ube44\uad50, Mock \ud568\uc218, \ube44\ub3d9\uae30 \ud14c\uc2a4\ud2b8, \ucf54\ub4dc \ucee4\ubc84\ub9ac\uc9c0 \uce21\uc815 \ub4f1\uc758 \uae30\ub2a5\uc744 \uc81c\uacf5\ud55c\ub2e4. Node.js \uae30\ubc18 \uc11c\ubc84\ub098 \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc790\ub3d9\ud654\ub41c \ud14c\uc2a4\ud2b8\ub97c \uad6c\uc131\ud560 \ub54c \ud65c\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc124\uce58 \ubc0f \uc124\uc815<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Node.js \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uac1c\ubc1c \uc758\uc874\uc131\uc73c\ub85c Jest\ub97c \uc124\uce58\ud55c\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>npm install --save-dev jest<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><code>package.json<\/code>\uc5d0 \ud14c\uc2a4\ud2b8 \uc2e4\ud589 \uc2a4\ud06c\ub9bd\ud2b8\ub97c \ucd94\uac00\ud55c\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>{\n  \"scripts\": {\n    \"test\": \"jest\"\n  }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ud6c4 \ub2e4\uc74c \uba85\ub839\uc73c\ub85c \ud14c\uc2a4\ud2b8\ub97c \uc2e4\ud589\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>npm test<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Jest\ub294 \uae30\ubcf8\uc801\uc73c\ub85c <code>*.test.js<\/code>, <code>*.spec.js<\/code> \ub4f1\uc758 \ud328\ud134\uc5d0 \ud574\ub2f9\ud558\ub294 \ud14c\uc2a4\ud2b8 \ud30c\uc77c\uc744 \ucc3e\ub294\ub2e4. \ud504\ub85c\uc81d\ud2b8 \uad6c\uc131\uc5d0 \ub530\ub77c \ud14c\uc2a4\ud2b8 \ud30c\uc77c\uc758 \uc704\uce58\ub098 \uc2e4\ud589 \uc635\uc158\uc744 \uc870\uc815\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud14c\uc2a4\ud2b8\uc640 Matcher<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Jest\uc5d0\uc11c <code>test<\/code> \ub610\ub294 <code>it<\/code>\uc740 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\ub97c \uc815\uc758\ud558\uace0, <code>expect<\/code>\ub294 \uc2e4\uc81c \uacb0\uacfc\ub97c \uae30\ub300\uac12\uacfc \ube44\uad50\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc790\uc8fc \uc0ac\uc6a9\ud558\ub294 Matcher\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>toBe<\/code>: \uc6d0\uc2dc\uac12\uc774\ub098 \ub3d9\uc77c\uc131 \ube44\uad50<\/li>\n\n\n\n<li><code>toEqual<\/code>: \uac1d\uccb4\uc640 \ubc30\uc5f4\uc758 \uad6c\uc870 \ube44\uad50<\/li>\n\n\n\n<li><code>toStrictEqual<\/code>: \ub354 \uc5c4\uaca9\ud55c \uad6c\uc870 \ube44\uad50<\/li>\n\n\n\n<li><code>toThrow<\/code>: \uc608\uc678 \ubc1c\uc0dd \uac80\uc99d<\/li>\n\n\n\n<li><code>toContain<\/code>: \ubc30\uc5f4\uc774\ub098 \ubb38\uc790\uc5f4\uc758 \ud3ec\ud568 \uc5ec\ubd80 \uac80\uc99d<\/li>\n\n\n\n<li><code>toHaveBeenCalledWith<\/code>: Mock \ud568\uc218\uc5d0 \uc804\ub2ec\ub41c \uc778\uc790 \uac80\uc99d<\/li>\n\n\n\n<li><code>toHaveBeenCalledTimes<\/code>: Mock \ud568\uc218\uc758 \ud638\ucd9c \ud69f\uc218 \uac80\uc99d<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud14c\uc2a4\ud2b8 \uc774\ub984\uc740 \uad6c\ud604 \ubc29\uc2dd\ubcf4\ub2e4 \uac80\uc99d\ud558\ub824\ub294 \ub3d9\uc791\uc744 \uc124\uba85\ud558\ub3c4\ub85d \uc791\uc131\ud558\ub294 \ud3b8\uc774 \uc88b\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ube44\ub3d9\uae30 \ud14c\uc2a4\ud2b8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Node.js \uc11c\ubc84\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc870\ud68c, \ub124\ud2b8\uc6cc\ud06c \uc694\uccad, \uba54\uc2dc\uc9c0 \ucc98\ub9ac \ub4f1 \ube44\ub3d9\uae30 \uc791\uc5c5\uc744 \uc790\uc8fc \uc218\ud589\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jest\uc5d0\uc11c\ub294 Promise\ub97c \ubc18\ud658\ud558\uac70\ub098 <code>async\/await<\/code>\ub97c \uc0ac\uc6a9\ud574 \ube44\ub3d9\uae30 \uacb0\uacfc\ub97c \uac80\uc99d\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>test(\"\uc0ac\uc6a9\uc790 \uc815\ubcf4\ub97c \uc870\ud68c\ud55c\ub2e4\", async () =&gt; {\n  const user = await userService.findById(\"user-a\");\n\n  expect(user.id).toBe(\"user-a\");\n});<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ube44\ub3d9\uae30 \ud14c\uc2a4\ud2b8\uc5d0\uc11c Promise\ub97c \uae30\ub2e4\ub9ac\uc9c0 \uc54a\uc73c\uba74 \uc791\uc5c5\uc774 \uc644\ub8cc\ub418\uae30 \uc804\uc5d0 \ud14c\uc2a4\ud2b8\uac00 \uc885\ub8cc\ub420 \uc218 \uc788\ub2e4. \ub530\ub77c\uc11c <code>await<\/code>\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 Promise\ub97c \ubc18\ud658\ud574 Jest\uac00 \uc644\ub8cc \uc2dc\uc810\uc744 \uc54c \uc218 \uc788\ub3c4\ub85d \ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\uc678 \ubc1c\uc0dd\uc744 \uac80\uc99d\ud560 \ub54c\ub3c4 \ube44\ub3d9\uae30 \uc791\uc5c5\uc774\ub77c\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uc791\uc131\ud55c\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>test(\"\uc874\uc7ac\ud558\uc9c0 \uc54a\ub294 \uc0ac\uc6a9\uc790\ub294 \uc624\ub958\ub97c \ubc18\ud658\ud55c\ub2e4\", async () =&gt; {\n  await expect(\n    userService.findById(\"missing-user\")\n  ).rejects.toThrow();\n});<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Mock\uc744 \uc774\uc6a9\ud55c \uc678\ubd80 \uc758\uc874\uc131 \ubd84\ub9ac<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ubcf4\uc0c1 \uc9c0\uae09 \uc11c\ube44\uc2a4\uac00 \uc54c\ub9bc \uc11c\ube44\uc2a4\ub97c \ud638\ucd9c\ud55c\ub2e4\uace0 \uac00\uc815\ud558\uc790.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf4\uc0c1 \uc9c0\uae09 \uc790\uccb4\ub97c \uac80\uc99d\ud558\ub294 \ud14c\uc2a4\ud2b8\uc5d0\uc11c \uc2e4\uc81c \uc774\uba54\uc77c\uc774\ub098 \ud478\uc2dc \uc54c\ub9bc\uc744 \ubc1c\uc1a1\ud560 \ud544\uc694\ub294 \uc5c6\ub2e4. \uc54c\ub9bc \ud568\uc218\ub97c Mock\uc73c\ub85c \ub300\uccb4\ud558\uba74 \uc678\ubd80 \ud1b5\uc2e0 \uc5c6\uc774 \ud638\ucd9c \uc5ec\ubd80\uc640 \uc778\uc790\ub97c \uac80\uc99d\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>test(\"\ubcf4\uc0c1 \uc9c0\uae09 \ud6c4 \uc54c\ub9bc\uc744 \uc804\uc1a1\ud55c\ub2e4\", async () =&gt; {\n  const sendNotification = jest.fn();\n\n  const rewardService = createRewardService({\n    sendNotification\n  });\n\n  await rewardService.grant(\"user-a\", 100);\n\n  expect(sendNotification).toHaveBeenCalledWith(\n    \"user-a\",\n    expect.any(String)\n  );\n});<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704 \uc608\uc2dc\ub294 <code>createRewardService<\/code>\uac00 \uc758\uc874\uc131\uc744 \uc8fc\uc785\ubc1b\ub3c4\ub85d \uad6c\ud604\ub418\uc5b4 \uc788\ub2e4\ub294 \uac00\uc815\ud558\uc5d0 \uc791\uc131\ud588\ub2e4. \uc2e4\uc81c \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c\ub294 \uc11c\ube44\uc2a4\uac00 \uc758\uc874\uc131\uc744 \uc804\ub2ec\ubc1b\ub3c4\ub85d \uc124\uacc4\ud558\uba74 \ud14c\uc2a4\ud2b8 \ub354\ube14\uc744 \uc801\uc6a9\ud558\uae30 \uc27d\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ucf54\ub4dc \ucee4\ubc84\ub9ac\uc9c0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ucf54\ub4dc \ucee4\ubc84\ub9ac\uc9c0\ub294 \ud14c\uc2a4\ud2b8\uac00 \ucf54\ub4dc\uc758 \uc5b4\ub290 \ubd80\ubd84\uc744 \uc2e4\ud589\ud588\ub294\uc9c0 \uce21\uc815\ud558\ub294 \uc9c0\ud45c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jest\uc5d0\uc11c\ub294 \ub2e4\uc74c \uba85\ub839\uc73c\ub85c \ucee4\ubc84\ub9ac\uc9c0\ub97c \ud655\uc778\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>npx jest --coverage<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ud45c\uc801\uc778 \uce21\uc815 \uc9c0\ud45c\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Statement Coverage<\/strong>: \uc2e4\ud589\ub41c \ucf54\ub4dc \ubb38\uc7a5\uc758 \ube44\uc728<\/li>\n\n\n\n<li><strong>Branch Coverage<\/strong>: \uc2e4\ud589\ub41c \uc870\uac74 \ubd84\uae30\uc758 \ube44\uc728<\/li>\n\n\n\n<li><strong>Function Coverage<\/strong>: \ud638\ucd9c\ub41c \ud568\uc218\uc758 \ube44\uc728<\/li>\n\n\n\n<li><strong>Line Coverage<\/strong>: \uc2e4\ud589\ub41c \ucf54\ub4dc \ud589\uc758 \ube44\uc728<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ucee4\ubc84\ub9ac\uc9c0\uac00 \ub192\ub354\ub77c\ub3c4 \ud14c\uc2a4\ud2b8\uac00 \uc62c\ubc14\ub978 \uacb0\uacfc\ub97c \uac80\uc99d\ud55c\ub2e4\ub294 \ubcf4\uc7a5\uc740 \uc5c6\ub2e4. \ubaa8\ub4e0 \ucf54\ub4dc\uac00 \uc2e4\ud589\ub418\ub354\ub77c\ub3c4 \uc798\ubabb\ub41c \uacb0\uacfc\ub97c \uae30\ub300\uac12\uacfc \ube44\uad50\ud558\uac70\ub098, \uc911\uc694\ud55c \uc608\uc678 \uc0c1\ud669\uc744 \uac80\uc99d\ud558\uc9c0 \uc54a\uc73c\uba74 \ud14c\uc2a4\ud2b8\uc758 \uc2e4\ud6a8\uc131\uc774 \ub5a8\uc5b4\uc9c4\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \ucee4\ubc84\ub9ac\uc9c0\ub294 \ud14c\uc2a4\ud2b8 \ud488\uc9c8\uc744 \ud3c9\uac00\ud558\ub294 \ucc38\uace0 \uc9c0\ud45c\ub85c \ud65c\uc6a9\ud558\uace0, \ud575\uc2ec \ube44\uc988\ub2c8\uc2a4 \uaddc\uce59\uacfc \uc2e4\ud328 \uc0c1\ud669\uc774 \uc81c\ub300\ub85c \uac80\uc99d\ub418\ub294\uc9c0 \ud568\uaed8 \ud655\uc778\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc2e4\ubb34 \ud14c\uc2a4\ud2b8 \uc804\ub7b5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uac8c\uc784 \uc11c\ubc84\ub098 \uc6f9 API\ub97c \uac1c\ubc1c\ud560 \ub54c\ub294 \uae30\ub2a5\uc758 \uc911\uc694\ub3c4\uc640 \uc7a5\uc560 \uc704\ud5d8\uc5d0 \ub530\ub77c \ud14c\uc2a4\ud2b8 \uc218\uc900\uc744 \uc120\ud0dd\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub2e8\uc704 \ud14c\uc2a4\ud2b8\uc5d0 \uc9d1\uc911\ud560 \uc601\uc5ed<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud3ec\uc778\ud2b8 \uacc4\uc0b0\uacfc \ubcf4\uc0c1 \uc9c0\uae09 \uaddc\uce59<\/li>\n\n\n\n<li>\uc2b9\ud328 \ud310\uc815\uacfc \uc810\uc218 \uacc4\uc0b0<\/li>\n\n\n\n<li>\uc785\ub825\uac12 \uac80\uc99d \ubc0f \uad8c\ud55c \ud310\ub2e8<\/li>\n\n\n\n<li>\uba71\ub4f1\uc131 \ud0a4\uc640 \uc911\ubcf5 \uc694\uccad \ud310\uc815 \ub85c\uc9c1<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud1b5\ud569 \ud14c\uc2a4\ud2b8\uc5d0 \uc9d1\uc911\ud560 \uc601\uc5ed<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud3ec\uc778\ud2b8 \uc6d0\uc7a5\uacfc \uc0ac\uc6a9\uc790 \uc794\uc561\uc758 \ub370\uc774\ud130 \uc815\ud569\uc131<\/li>\n\n\n\n<li>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud2b8\ub79c\uc7ad\uc158\uacfc \ub864\ubc31<\/li>\n\n\n\n<li>Redis \uce90\uc2dc\uc640 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\ub3d9<\/li>\n\n\n\n<li>\uba54\uc2dc\uc9c0 \ube0c\ub85c\ucee4\ub97c \ud1b5\ud55c \uc774\ubca4\ud2b8 \uc804\ub2ec<\/li>\n\n\n\n<li>API\uc640 \uc778\uc99d \ubbf8\ub4e4\uc6e8\uc5b4\uc758 \uc5f0\uacb0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc2dc\uc2a4\ud15c \ud14c\uc2a4\ud2b8\uc5d0 \uc9d1\uc911\ud560 \uc601\uc5ed<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub85c\uadf8\uc778\ubd80\ud130 \uac8c\uc784 \uae30\ub2a5 \uc2e4\ud589\uae4c\uc9c0\uc758 \uc0ac\uc6a9\uc790 \ud750\ub984<\/li>\n\n\n\n<li>\uacbd\uae30 \uacb0\uacfc \uc800\uc7a5\uacfc \ubcf4\uc0c1 \uc9c0\uae09\uc758 \uc804\uccb4 \uacfc\uc815<\/li>\n\n\n\n<li>\uc911\ubcf5 \uc694\uccad\uc5d0 \ub300\ud55c \uc77c\uad00\ub41c \ucc98\ub9ac \uacb0\uacfc<\/li>\n\n\n\n<li>\uc7a5\uc560 \ubc1c\uc0dd \uc774\ud6c4\uc758 \ubcf5\uad6c \ubc0f \uc7ac\ucc98\ub9ac \uacfc\uc815<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud14c\uc2a4\ud2b8\ub97c \uc791\uc131\ud560 \ub54c\ub294 \uc815\uc0c1\uc801\uc778 \uc0c1\ud669\ub9cc \ud655\uc778\ud574\uc11c\ub294 \uc548 \ub41c\ub2e4. \uc798\ubabb\ub41c \uc785\ub825, \ub370\uc774\ud130\uac00 \uc5c6\ub294 \uc0c1\ud669, \uc678\ubd80 \uc11c\ube44\uc2a4\uc758 \uc2e4\ud328, \uc911\ubcf5 \uc694\uccad, \ub3d9\uc2dc \uc2e4\ud589 \ub4f1 \uc2e4\uc81c \uc7a5\uc560\ub85c \uc774\uc5b4\uc9c8 \uc218 \uc788\ub294 \uc870\uac74\uc744 \ud568\uaed8 \uac80\uc99d\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud2b9\ud788 \uac8c\uc784 \uacbd\uc81c \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ubcf4\uc0c1 \uc9c0\uae09 \uc694\uccad\uc774 \uc7ac\uc2dc\ub3c4\ub418\ub354\ub77c\ub3c4 \ud3ec\uc778\ud2b8\uac00 \uc911\ubcf5 \uc9c0\uae09\ub418\uc9c0 \uc54a\ub294\uc9c0 \ud655\uc778\ud558\ub294 \uac83\uc774 \uc911\uc694\ud558\ub2e4. \uc774\ub7ec\ud55c \uc694\uad6c\uc0ac\ud56d\uc740 \ub2e8\uc704 \ud14c\uc2a4\ud2b8\uc5d0\uc11c \uc911\ubcf5 \ud310\uc815 \ub85c\uc9c1\uc744 \uac80\uc99d\ud558\uace0, \ud1b5\ud569 \ud14c\uc2a4\ud2b8\uc5d0\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc81c\uc57d \uc870\uac74\uacfc \ud2b8\ub79c\uc7ad\uc158\uc744 \uac80\uc99d\ud558\uba70, \uc2dc\uc2a4\ud15c \ud14c\uc2a4\ud2b8\uc5d0\uc11c \uc804\uccb4 \uc694\uccad \ud750\ub984\uc744 \uac80\uc99d\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \ub098\ub20c \uc218 \uc788\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud14c\uc2a4\ud2b8\uc758 \ubaa9\uc801 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ud14c\uc2a4\ud2b8\ub294 \ucf54\ub4dc\uac00 \uc758\ub3c4\ud55c \ub300\ub85c \ub3d9\uc791\ud558\ub294\uc9c0 \uac80\uc99d\ud558\uace0, \ubcc0\uacbd\uc73c\ub85c \uc778\ud574 \uae30\uc874 \uae30\ub2a5\uc774 \uc190\uc0c1\ub418\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\ub294 \uac1c\ubc1c \ud65c\ub3d9\uc774\ub2e4. \ucf54\ub4dc\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \uc2e4\ud589\ub41c\ub2e4\ub294 \uc0ac\uc2e4\ub9cc\uc73c\ub85c\ub294 \uc62c\ubc14\ub978 \ub3d9\uc791\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc5c6\ub2e4. \uc608\uc0c1\ud558\uc9c0 \ubabb\ud55c \uc785\ub825, \uc678\ubd80 \uc2dc\uc2a4\ud15c\uc758 \uc7a5\uc560, \ub3d9\uc2dc \uc694\uccad, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc624\ub958 \ub4f1 \ub2e4\uc591\ud55c \uc0c1\ud669\uc5d0\uc11c \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4. \ud14c\uc2a4\ud2b8\uc758 \ud575\uc2ec \ubaa9\uc801\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4. \ud14c\uc2a4\ud2b8\ub294 \uc624\ub958\uac00 \uc5c6\uc74c\uc744 \uc99d\uba85\ud558\ub294 \uc218\ub2e8\uc774 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