nUnit has a great feature of running multiple similar test cases via data-driven approach:<\/p>\n
<\/code><\/p>\n However, that does not work with dates, since <\/code><\/p>\n The solution is to supply test data in runtime, using <\/code><\/p>\n","protected":false},"excerpt":{"rendered":" nUnit has a great feature of running multiple similar test cases via data-driven approach: [TestCase(“”, “”)] [TestCase(“q”, “q”)] [TestCase(“xyz”, “zyx”)] public void TestStringReverse(string s, string expectedResult) { var result = […]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"Layout":"","footnotes":""},"categories":[4],"tags":[],"class_list":["entry","author-ikriv","post-2084","post","type-post","status-publish","format-standard","category-hack"],"_links":{"self":[{"href":"https:\/\/ikriv.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2084","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ikriv.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ikriv.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ikriv.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ikriv.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2084"}],"version-history":[{"count":0,"href":"https:\/\/ikriv.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2084\/revisions"}],"wp:attachment":[{"href":"https:\/\/ikriv.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2084"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ikriv.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2084"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ikriv.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2084"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}<\/p>\n[TestCase(\"\", \"\")]\n[TestCase(\"q\", \"q\")]\n[TestCase(\"xyz\", \"zyx\")]\npublic void TestStringReverse(string s, string expectedResult)\n{\n var result = Reverse(s);\n Assert.AreEqual(expectedResult, result);\n}<\/pre>\nDateTime<\/code> is not a primitive type and cannot be used in an attribute.<\/p>\n<\/p>\n\n[TestCase(new DateTime(...), new DateTime(...), false)] \/\/ Does not work<\/font>\npublic void TestIntervalIsGood(DateTime from, DateTime to, bool isGood)\n{\n ...\n}<\/pre>\n[ValueSource]<\/code> attribute. This is more code, but it works.<\/p>\n<\/p>\n \/\/ warning: not tested\n public class Interval\n {\n public DateTime From;\n public DateTime To;\n }\n\n public class TestCase\n {\n public int Id;\n public DateTime From;\n public DateTime To;\n public bool IsGood;\n\n \/\/ We need this override, so test cases are shown well in nUnit. Otherwise they all look like MyTestClass+TestCase\n \/\/ We could show actual dates, but it is kind of long, so I opted for a numeric ID\n public override string ToString()\n {\n return \"TestCase \" + Id;\n }\n }\n\n private static TestCase T(int id, DateTime from, DateTime to, bool isGood)\n {\n return new TestCase { Id = id, From = from, To = to, IsGood = isGood };\n }\n\n private static readonly DateTime Before = ...;\n private static readonly DateTime Inside = ...;\n private static readonly DateTime After = ...;\n\n private static readonly TestCase[] TestCases =\n {\n T(1, Before, Before, false),\n T(2, Before, Inside, true),\n T(3, Before, After, true)\n };\n\n public void TestIntervalIsGood([ValueSource(nameof(TestCases))]<\/b><\/font> TestCase testCase)\n {\n bool isGood = IsIntervalGood(testCase.From, testCase.To);\n Assert.AreEqual(testCase.IsGood, isGood);\n }<\/pre>\n