Created unit tests for health check results

src/Umbraco.Tests/Web/HealthChecks/HealthCheckResultsTests.cs

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+using System;
+using System.Collections.Generic;
+using Moq;
+using NUnit.Framework;
+using Umbraco.Core;
+using Umbraco.Web.HealthCheck;
+
+namespace Umbraco.Tests.Web.HealthChecks
+{
+    [TestFixture]
+    public class HealthCheckResultsTests
+    {
+        [HealthCheck("CFD6FC34-59C9-4402-B55F-C8BC96B628A1", "Stub check")]
+        public abstract class StubHealthCheck : HealthCheck
+        {
+            private readonly string _message;
+            private readonly StatusResultType _resultType;
+
+            public StubHealthCheck(StatusResultType resultType, string message) : base(null)
+            {
+                _resultType = resultType;
+                _message = message;
+            }
+
+            public override HealthCheckStatus ExecuteAction(HealthCheckAction action)
+            {
+                throw new NotImplementedException();
+            }
+
+            public override IEnumerable<HealthCheckStatus> GetStatus()
+            {
+                return new List<HealthCheckStatus>
+                {
+                    new HealthCheckStatus(_message)
+                    {
+                        ResultType = _resultType
+                    }
+                };
+            }
+        }
+
+        [HealthCheck("CFD6FC34-59C9-4402-B55F-C8BC96B628A1", "Stub check 1")]
+        public class StubHealthCheck1 : StubHealthCheck
+        {
+            public StubHealthCheck1(StatusResultType resultType, string message) : base(resultType, message)
+            {
+            }
+        }
+
+        [HealthCheck("CFD6FC34-59C9-4402-B55F-C8BC96B628A2", "Stub check 2")]
+        public class StubHealthCheck2 : StubHealthCheck
+        {
+            public StubHealthCheck2(StatusResultType resultType, string message) : base(resultType, message)
+            {
+            }
+        }
+
+        [HealthCheck("CFD6FC34-59C9-4402-B55F-C8BC96B628A3", "Stub check 3")]
+        public class StubHealthCheck3 : StubHealthCheck
+        {
+            public StubHealthCheck3(StatusResultType resultType, string message) : base(resultType, message)
+            {
+            }
+
+            public override IEnumerable<HealthCheckStatus> GetStatus()
+            {
+                throw new Exception("Check threw exception");
+            }
+        }
+
+        [Test]
+        public void HealthCheckResults_WithSuccessfulChecks_ReturnsCorrectResultDescription()
+        {
+            var checks = new List<HealthCheck>
+            {
+                new StubHealthCheck1(StatusResultType.Success, "First check was successful"),
+                new StubHealthCheck2(StatusResultType.Success, "Second check was successful"),
+            };
+            var results = new HealthCheckResults(checks);
+            Assert.IsTrue(results.AllChecksSuccessful);
+
+            var resultAsMarkdown = results.ResultsAsMarkDown();
+            Assert.IsTrue(resultAsMarkdown.IndexOf("Checks for 'Stub check 1' all completed succesfully.") > -1);
+            Assert.IsTrue(resultAsMarkdown.IndexOf("Checks for 'Stub check 2' all completed succesfully.") > -1);
+        }
+
+        [Test]
+        public void HealthCheckResults_WithFailingChecks_ReturnsCorrectResultDescription()
+        {
+            var checks = new List<HealthCheck>
+            {
+                new StubHealthCheck1(StatusResultType.Success, "First check was successful"),
+                new StubHealthCheck2(StatusResultType.Error, "Second check was not successful"),
+            };
+            var results = new HealthCheckResults(checks);
+            Assert.IsFalse(results.AllChecksSuccessful);
+
+            var resultAsMarkdown = results.ResultsAsMarkDown();
+            Assert.IsTrue(resultAsMarkdown.IndexOf("Checks for 'Stub check 1' all completed succesfully.") > -1);
+            Assert.IsTrue(resultAsMarkdown.IndexOf("Checks for 'Stub check 2' completed with errors.") > -1);
+        }
+
+        [Test]
+        public void HealthCheckResults_WithErroringCheck_ReturnsCorrectResultDescription()
+        {
+            var checks = new List<HealthCheck>
+            {
+                new StubHealthCheck1(StatusResultType.Success, "First check was successful"),
+                new StubHealthCheck3(StatusResultType.Error, "Third check was not successful"),
+                new StubHealthCheck2(StatusResultType.Error, "Second check was not successful"),
+            };
+            var results = new HealthCheckResults(checks);
+            Assert.IsFalse(results.AllChecksSuccessful);
+
+            var resultAsMarkdown = results.ResultsAsMarkDown();
+            Assert.IsTrue(resultAsMarkdown.IndexOf("Checks for 'Stub check 1' all completed succesfully.") > -1);
+            Assert.IsTrue(resultAsMarkdown.IndexOf("Checks for 'Stub check 2' completed with errors.") > -1);
+            Assert.IsTrue(resultAsMarkdown.IndexOf("Checks for 'Stub check 3' completed with errors.") > -1);
+        }
+    }
+}