{"id":42678,"date":"2024-11-13T20:47:47","date_gmt":"2024-11-13T20:47:47","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=42678"},"modified":"2024-11-26T06:34:47","modified_gmt":"2024-11-26T06:34:47","slug":"7-%ec%9c%a0%eb%8b%9b-%ed%85%8c%ec%8a%a4%ed%8a%b8%ec%99%80-%ed%85%8c%ec%8a%a4%ed%8a%b8-%ec%a3%bc%eb%8f%84-%ea%b0%9c%eb%b0%9ctdd-mocking%ea%b3%bc-di%eb%a5%bc-%ed%99%9c%ec%9a%a9%ed%95%9c-%ed%85%8c","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/42678\/","title":{"rendered":"[\uac1d\uccb4\uc9c0\ud5a5] 7.\uc720\ub2db \ud14c\uc2a4\ud2b8\uc640 \ud14c\uc2a4\ud2b8 \uc8fc\ub3c4 \uac1c\ubc1c(TDD), Mocking\uacfc DI\ub97c \ud65c\uc6a9\ud55c \ud14c\uc2a4\ud2b8 \uc6a9\uc774\uc131 \uac15\ud654"},"content":{"rendered":"<h2>\uc720\ub2db \ud14c\uc2a4\ud2b8\uc640 \ud14c\uc2a4\ud2b8 \uc8fc\ub3c4 \uac1c\ubc1c(TDD), Mocking\uacfc DI\ub97c \ud65c\uc6a9\ud55c \ud14c\uc2a4\ud2b8 \uc6a9\uc774\uc131 \uac15\ud654<\/h2>\n<p>\ud604\ub300 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1c\ubc1c\uc5d0\uc11c \uc720\ub2db \ud14c\uc2a4\ud2b8(UNIT Testing)\uc640 \ud14c\uc2a4\ud2b8 \uc8fc\ub3c4 \uac1c\ubc1c(TDD, Test-Driven Development)\uc740 \ud488\uc9c8 \ub192\uc740 \ucf54\ub4dc\ub97c \uc791\uc131\ud558\ub294 \ub370 \ud544\uc218\uc801\uc778 \uc804\ub7b5\uc785\ub2c8\ub2e4. \ud2b9\ud788 C#\uacfc \uac19\uc740 \uac1d\uccb4\uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d(OOP) \uc5b8\uc5b4\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \uae30\uc220\uc744 \uc801\uc808\ud788 \ud65c\uc6a9\ud558\uba74 \ud504\ub85c\uadf8\ub7a8\uc758 \uad6c\uc870\ub97c \uac1c\uc120\ud558\uace0, \uc720\uc9c0\ubcf4\uc218\uc131\uc744 \ub192\uc774\uba70, \ubc84\uadf8\ub97c \uc0ac\uc804\uc5d0 \uc608\ubc29\ud558\ub294 \ub370 \ud070 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 \uc720\ub2db \ud14c\uc2a4\ud2b8\uc640 TDD \uac1c\ub150\uc744 \uc124\uba85\ud558\uace0, Mocking\uacfc Dependency Injection(DI)\uc744 \ud1b5\ud574 \ud14c\uc2a4\ud2b8 \uc6a9\uc774\uc131\uc744 \uac15\ud654\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>1. \uc720\ub2db \ud14c\uc2a4\ud2b8\ub780?<\/h3>\n<p>\uc720\ub2db \ud14c\uc2a4\ud2b8\ub294 \ud504\ub85c\uadf8\ub7a8\uc758 \uac1c\ubcc4 \ubaa8\ub4c8\uc774\ub098 \ucef4\ud3ec\ub10c\ud2b8\ub97c \ub3c5\ub9bd\uc801\uc73c\ub85c \uac80\uc99d\ud558\ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ud14c\uc2a4\ud2b8 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. \uc720\ub2db \ud14c\uc2a4\ud2b8\ub294 \ubcf4\ud1b5 \uac00\uc7a5 \uc791\uc740 \ub2e8\uc704\uc778 \ud568\uc218\ub098 \uba54\uc18c\ub4dc\ub97c \ub300\uc0c1\uc73c\ub85c \ud558\uba70, \uac1c\ubc1c\uc790\uac00 \uc791\uc131\ud55c \ucf54\ub4dc\uac00 \uc608\uc0c1\ub300\ub85c \ub3d9\uc791\ud558\ub294\uc9c0\ub97c \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n<h4>1.1 \uc720\ub2db \ud14c\uc2a4\ud2b8\uc758 \uc911\uc694\uc131<\/h4>\n<ul>\n<li>\ubc84\uadf8 \uc870\uae30 \ubc1c\uacac: \uac1c\ubc1c \ucd08\uae30\uc5d0 \ubb38\uc81c\ub97c \ubc1c\uacac\ud558\uace0 \uc218\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\ucf54\ub4dc \ub9ac\ud329\ud1a0\ub9c1 \uc6a9\uc774: \ucf54\ub4dc \uad6c\uc870 \ubcc0\uacbd \uc2dc \uae30\uc874 \ud14c\uc2a4\ud2b8\uac00 \uc62c\ubc14\ub974\uac8c \uc791\ub3d9\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc5ec \uc548\uc815\uc131\uc744 \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<li>\ubb38\uc11c\ud654: \uc720\ub2db \ud14c\uc2a4\ud2b8\ub294 \ucf54\ub4dc\ub97c \uc0ac\uc6a9\ud558\uace0\uc790\ud558\ub294 \uac1c\ubc1c\uc790\uc5d0\uac8c \ud2b9\uc815 \ud568\uc218\uc758 \uc6a9\ub3c4\uc640 \ud589\ub3d9\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>2. \ud14c\uc2a4\ud2b8 \uc8fc\ub3c4 \uac1c\ubc1c(TDD)<\/h3>\n<p>TDD\ub294 &#8220;\ud14c\uc2a4\ud2b8 \uc8fc\ub3c4 \uac1c\ubc1c&#8221;\uc758 \uc57d\uc790\ub85c, \uac1c\ubc1c\uc790\uac00 \ucf54\ub4dc\ub97c \uc791\uc131\ud558\uae30 \uc804\uc5d0 \uba3c\uc800 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\ub97c \ub9cc\ub4dc\ub294 \uac1c\ubc1c \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. TDD\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc0ac\uc774\ud074\uc744 \ub530\ub985\ub2c8\ub2e4:<\/p>\n<ol>\n<li><strong>Red:<\/strong> \uc2e4\ud328\ud558\ub294 \ud14c\uc2a4\ud2b8\ub97c \uc791\uc131\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>Green:<\/strong> \ud14c\uc2a4\ud2b8\ub97c \ud1b5\uacfc\ud558\uae30 \uc704\ud574 \ud544\uc694\ud55c \ucd5c\uc18c\ud55c\uc758 \ucf54\ub4dc\ub97c \uc791\uc131\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>Refactor:<\/strong> \uc791\uc131\ud55c \ucf54\ub4dc\ub97c \uac1c\uc120\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h4>2.1 TDD\uc758 \uc7a5\uc810<\/h4>\n<ul>\n<li>\ucf54\ub4dc \ud488\uc9c8 \ud5a5\uc0c1: \ud14c\uc2a4\ud2b8\ub97c \ud1b5\ud574 \ucf54\ub4dc\uc758 \ud488\uc9c8\uc744 \ub192\uc774\uace0, \ubc84\uadf8\ub97c \ucd5c\uc18c\ud654\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc720\uc9c0\ubcf4\uc218\uc131 \ud5a5\uc0c1: \uba85\ud655\ud55c \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\uac00 \uc788\uc5b4 \ucf54\ub4dc \ubcc0\uacbd \uc2dc \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ubb38\uc81c\ub97c \uc27d\uac8c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uac1c\ubc1c \uc18d\ub3c4 \ud5a5\uc0c1: \ucd08\uae30 \ud559\uc2b5 \uace1\uc120\uc774 \uc788\uc744 \uc218 \uc788\uc73c\ub098, \uc7a5\uae30\uc801\uc73c\ub85c\ub294 \ucf54\ub4dc \uc791\uc131 \ubc0f \ubc84\uadf8 \uc218\uc815\uc744 \ube68\ub77c\uc9c0\uac8c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>3. Mocking\uacfc DI(Dependency Injection)<\/h3>\n<p>Mocking\uacfc DI\ub294 \ud14c\uc2a4\ud2b8\ub97c \uc6a9\uc774\ud558\uac8c \ub9cc\ub4dc\ub294 \ub370 \ud575\uc2ec\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. Mocking\uc740 \uc2e4\uc81c \uac1d\uccb4\uc758 \ub3d9\uc791\uc744 \ud749\ub0b4\ub0b4\ub294 \ud14c\uc2a4\ud2b8 \ub354\ube14(test double) \uac1d\uccb4\ub97c \uc0dd\uc131\ud558\ub294 \uae30\ubc95\uc785\ub2c8\ub2e4. \ubc18\uba74, DI\ub294 \uac1d\uccb4\uc758 \uc758\uc874\uc131\uc744 \uc678\ubd80\uc5d0\uc11c \uc8fc\uc785\ud574\uc8fc\ub294 \uc124\uacc4 \ud328\ud134\uc785\ub2c8\ub2e4.<\/p>\n<h4>3.1 Mocking\uc758 \ud544\uc694\uc131<\/h4>\n<p>\ub300\uaddc\ubaa8 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ud14c\uc2a4\ud2b8\ub97c \uc704\ud574 \ub9ce\uc740 \uc885\uc18d\uc131\uc744 \uac00\uc9c4 \uac1d\uccb4\ub97c \uc0dd\uc131\ud558\ub294 \uac83\uc740 \ubb34\ub9ac\uac00 \uc788\uc2b5\ub2c8\ub2e4. Mocking\uc744 \uc0ac\uc6a9\ud558\uba74 \ud14c\uc2a4\ud2b8 \ubd88\uac00\ub2a5\ud55c \uc678\ubd80 \uc11c\ube44\uc2a4\ub098 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640\uc758 \uc758\uc874\uc131\uc744 \uc81c\uac70\ud558\uace0, \ub3c5\ub9bd\uc801\uc73c\ub85c \ud14c\uc2a4\ud2b8\ud560 \uc218 \uc788\ub294 \ud658\uacbd\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h4>3.2 Dependency Injection (DI)<\/h4>\n<p>DI\ub294 \uac1d\uccb4\uc9c0\ud5a5 \uc124\uacc4 \uc6d0\uce59 \uc911 \ud558\ub098\uc778 &#8220;\uc758\uc874\uc131 \uc5ed\uc804 \uc6d0\uce59&#8221;\uc744 \ub530\ub974\ub294 \ub514\uc790\uc778 \ud328\ud134\uc785\ub2c8\ub2e4. DI\ub294 \uac1d\uccb4\uac00 \ud544\uc694\ub85c \ud558\ub294 \uc678\ubd80 \uad6c\uc131 \uc694\uc18c\ub97c \uc678\ubd80\uc5d0\uc11c \uc8fc\uc785\ud568\uc73c\ub85c\uc368, \ud074\ub798\uc2a4 \uac04\uc758 \uacb0\ud569\ub3c4\ub97c \uc904\uc774\uace0 \uc720\uc5f0\uc131\uc744 \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n<h3>4. \uc720\ub2db \ud14c\uc2a4\ud2b8, TDD, Mocking, DI\uc758 \uc608\uc81c<\/h3>\n<p>\uc544\ub798\ub294 C#\uc5d0\uc11c \uc720\ub2db \ud14c\uc2a4\ud2b8, TDD, Mocking \ubc0f DI\ub97c \ud65c\uc6a9\ud55c \uad6c\uccb4\uc801\uc778 \uc608\uc2dc\uc785\ub2c8\ub2e4. \uc774 \uc608\uc81c\uc5d0\uc11c\ub294 \uac04\ub2e8\ud55c \uacc4\uc0b0\uae30 \ud504\ub85c\uadf8\ub7a8\uc744 \ub9cc\ub4e4\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h4>4.1 \uacc4\uc0b0\uae30 \uc778\ud130\ud398\uc774\uc2a4 \ubc0f \uad6c\ud604<\/h4>\n<pre><code class=\"csharp\">\npublic interface ICalculator\n{\n    int Add(int a, int b);\n    int Subtract(int a, int b);\n}\n\npublic class Calculator : ICalculator\n{\n    public int Add(int a, int b)\n    {\n        return a + b;\n    }\n\n    public int Subtract(int a, int b)\n    {\n        return a - b;\n    }\n}\n<\/code><\/pre>\n<h4>4.2 \uc720\ub2db \ud14c\uc2a4\ud2b8 \ucf54\ub4dc<\/h4>\n<pre><code class=\"csharp\">\nusing NUnit.Framework;\n\n[TestFixture]\npublic class CalculatorTests\n{\n    private ICalculator _calculator;\n\n    [SetUp]\n    public void SetUp()\n    {\n        _calculator = new Calculator();\n    }\n\n    [Test]\n    public void Add_ShouldReturnSum_WhenTwoNumbersAreProvided()\n    {\n        \/\/ Arrange\n        int a = 5;\n        int b = 10;\n\n        \/\/ Act\n        int result = _calculator.Add(a, b);\n\n        \/\/ Assert\n        Assert.AreEqual(15, result);\n    }\n\n    [Test]\n    public void Subtract_ShouldReturnDifference_WhenTwoNumbersAreProvided()\n    {\n        \/\/ Arrange\n        int a = 10;\n        int b = 5;\n\n        \/\/ Act\n        int result = _calculator.Subtract(a, b);\n\n        \/\/ Assert\n        Assert.AreEqual(5, result);\n    }\n}\n<\/code><\/pre>\n<h4>4.3 Mocking\uc744 \ud65c\uc6a9\ud55c \ud14c\uc2a4\ud2b8<\/h4>\n<p>Mocking \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc678\ubd80 \uc758\uc874\uc131\uc744 \uac00\uc9c4 \ud074\ub798\uc2a4\ub97c \ud14c\uc2a4\ud2b8\ud558\ub294 \ubc29\ubc95\uc744 \uace0\ub824\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. <strong>Moq<\/strong> \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc678\ubd80 API \ud638\ucd9c\uc744 \ubaa8\ud0b9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code class=\"csharp\">\npublic interface IDataService\n{\n    string GetData();\n}\n\npublic class DataService : IDataService\n{\n    public string GetData()\n    {\n        \/\/ \uc2e4\uc81c API \ud638\ucd9c\n        return \"Data from API\";\n    }\n}\n\npublic class Consumer\n{\n    private readonly IDataService _dataService;\n\n    public Consumer(IDataService dataService)\n    {\n        _dataService = dataService;\n    }\n\n    public string GetProcessedData()\n    {\n        string data = _dataService.GetData();\n        \/\/ \ub370\uc774\ud130 \ucc98\ub9ac \ub85c\uc9c1\n        return $\"Processed: {data}\";\n    }\n}\n\n[TestFixture]\npublic class ConsumerTests\n{\n    private Mock<idataservice> _dataServiceMock;\n    private Consumer _consumer;\n\n    [SetUp]\n    public void SetUp()\n    {\n        _dataServiceMock = new Mock<idataservice>();\n        _consumer = new Consumer(_dataServiceMock.Object);\n    }\n\n    [Test]\n    public void GetProcessedData_ShouldReturnProcessedData_WhenCalled()\n    {\n        \/\/ Arrange\n        string mockData = \"Mocked Data\";\n        _dataServiceMock.Setup(ds =&gt; ds.GetData()).Returns(mockData);\n\n        \/\/ Act\n        var result = _consumer.GetProcessedData();\n\n        \/\/ Assert\n        Assert.AreEqual(\"Processed: Mocked Data\", result);\n    }\n}\n<\/idataservice><\/idataservice><\/code><\/pre>\n<h3>5. \uacb0\ub860<\/h3>\n<p>\uc720\ub2db \ud14c\uc2a4\ud2b8\uc640 TDD\ub294 \ucf54\ub4dc \ud488\uc9c8\uc744 \ub192\uc774\uace0 \uc720\uc9c0\ubcf4\uc218\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ub370 \ud070 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. Mocking\uacfc DI\ub294 \uc774\ub7ec\ud55c \ud14c\uc2a4\ud2b8\ub97c \ub354\uc6b1 \uc6a9\uc774\ud558\uac8c \ub9cc\ub4e4\uc5b4, \uc2e4\uc81c \uc6b4\uc601 \ud658\uacbd\uc5d0\uc11c\uc758 \uc758\uc874\uc131 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uace0 \ub3c5\ub9bd\uc801\uc778 \ud14c\uc2a4\ud2b8\ub97c \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4. C# \uac1c\ubc1c\uc790\ub85c\uc11c \uc774\ub7ec\ud55c \uae30\ubc95\ub4e4\uc744 \uc801\uadf9\uc801\uc73c\ub85c \ud65c\uc6a9\ud558\uba74, \ubcf4\ub2e4 \uacac\uace0\ud55c \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub97c \uc791\uc131\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4. \uc55e\uc73c\ub85c\uc758 \uac1c\ubc1c \ud504\ub85c\uc138\uc2a4\uc5d0 TDD\uc640 \uc720\ub2db \ud14c\uc2a4\ud2b8\ub97c \ub3c4\uc785\ud558\uc5ec, \ub354\uc6b1 \uc0dd\uc0b0\uc801\uc774\uace0 \ud6a8\uacfc\uc801\uc778 \uac1c\ubc1c \ud658\uacbd\uc744 \ub9cc\ub4dc\uc2dc\uae38 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc720\ub2db \ud14c\uc2a4\ud2b8\uc640 \ud14c\uc2a4\ud2b8 \uc8fc\ub3c4 \uac1c\ubc1c(TDD), Mocking\uacfc DI\ub97c \ud65c\uc6a9\ud55c \ud14c\uc2a4\ud2b8 \uc6a9\uc774\uc131 \uac15\ud654 \ud604\ub300 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1c\ubc1c\uc5d0\uc11c \uc720\ub2db \ud14c\uc2a4\ud2b8(UNIT Testing)\uc640 \ud14c\uc2a4\ud2b8 \uc8fc\ub3c4 \uac1c\ubc1c(TDD, Test-Driven Development)\uc740 \ud488\uc9c8 \ub192\uc740 \ucf54\ub4dc\ub97c \uc791\uc131\ud558\ub294 \ub370 \ud544\uc218\uc801\uc778 \uc804\ub7b5\uc785\ub2c8\ub2e4. \ud2b9\ud788 C#\uacfc \uac19\uc740 \uac1d\uccb4\uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d(OOP) \uc5b8\uc5b4\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \uae30\uc220\uc744 \uc801\uc808\ud788 \ud65c\uc6a9\ud558\uba74 \ud504\ub85c\uadf8\ub7a8\uc758 \uad6c\uc870\ub97c \uac1c\uc120\ud558\uace0, \uc720\uc9c0\ubcf4\uc218\uc131\uc744 \ub192\uc774\uba70, \ubc84\uadf8\ub97c \uc0ac\uc804\uc5d0 \uc608\ubc29\ud558\ub294 \ub370 \ud070 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 \uc720\ub2db \ud14c\uc2a4\ud2b8\uc640 &hellip; <a href=\"https:\/\/atmokpo.com\/w\/42678\/\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;[\uac1d\uccb4\uc9c0\ud5a5] 7.\uc720\ub2db \ud14c\uc2a4\ud2b8\uc640 \ud14c\uc2a4\ud2b8 \uc8fc\ub3c4 \uac1c\ubc1c(TDD), Mocking\uacfc DI\ub97c \ud65c\uc6a9\ud55c \ud14c\uc2a4\ud2b8 \uc6a9\uc774\uc131 \uac15\ud654&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[241],"tags":[],"class_list":["post-42678","post","type-post","status-publish","format-standard","hentry","category-csharp"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - 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