test: Add unit tests for ConditionalSetup<TMimic>

DrBarnabus · Feb 17, 2024 · cb7a138 · cb7a138
1 parent 5390f24
commit cb7a138
Showing 1 changed file with 153 additions and 0 deletions.
diff --git a/src/Mimic.UnitTests/Setup/Fluent/ConditionalSetupTests.cs b/src/Mimic.UnitTests/Setup/Fluent/ConditionalSetupTests.cs
@@ -0,0 +1,153 @@
+using Mimic.Core;
+using Mimic.Exceptions;
+using Mimic.Setup.Fluent;
+
+namespace Mimic.UnitTests.Setup.Fluent;
+
+public class ConditionalSetupTests
+{
+    [Fact]
+    public void Constructor_ShouldSuccessfullyConstruct()
+    {
+        var mimic = new Mimic<ISubject>();
+        var conditionalSetup = new ConditionalSetup<ISubject>(mimic, () => false);
+
+        conditionalSetup.ShouldNotBeNull();
+    }
+
+    [Fact]
+    public void Setup_WithActionExpression_ShouldReturnInitializedSetup()
+    {
+        var mimic = new Mimic<ISubject>();
+        var conditionalSetup = new ConditionalSetup<ISubject>(mimic, () => false);
+
+        var setup = conditionalSetup.Setup(m => m.ParameterlessVoidMethod());
+
+        setup.ShouldNotBeNull();
+        setup.ShouldBeOfType<Setup<ISubject>>();
+    }
+
+    [Fact]
+    public void Setup_WithFuncExpression_ShouldReturnInitializedSetup()
+    {
+        var mimic = new Mimic<ISubject>();
+        var conditionalSetup = new ConditionalSetup<ISubject>(mimic, () => false);
+
+        var setup = conditionalSetup.Setup(m => m.ParameterlessStringMethod());
+
+        setup.ShouldNotBeNull();
+        setup.ShouldBeOfType<Setup<ISubject, string>>();
+    }
+
+    [Fact]
+    public void SetupGet_WithValidProperty_ShouldReturnInitializedSetup()
+    {
+        var mimic = new Mimic<ISubject>();
+        var conditionalSetup = new ConditionalSetup<ISubject>(mimic, () => false);
+
+        var setup = conditionalSetup.SetupGet(m => m.Property);
+
+        setup.ShouldNotBeNull();
+        setup.ShouldBeOfType<Setup<ISubject, int>>();
+    }
+
+    [Fact]
+    public void SetupGet_WithMethodCallInsteadOfParameter_ShouldThrow()
+    {
+        var mimic = new Mimic<ISubject>();
+        var conditionalSetup = new ConditionalSetup<ISubject>(mimic, () => false);
+
+        var ex = Should.Throw<MimicException>(() => conditionalSetup.SetupGet(m => m.ParameterlessStringMethod()));
+        ex.ShouldNotBeNull();
+        ex.Message.ShouldBe("Expression (m => m.ParameterlessStringMethod()) is not a property accessor");
+    }
+
+    [Fact]
+    public void SetupGet_WithNullExpression_ShouldThrowAssertionException()
+    {
+        var mimic = new Mimic<ISubject>();
+        var conditionalSetup = new ConditionalSetup<ISubject>(mimic, () => false);
+
+        var ex = Should.Throw<MimicException>(() => conditionalSetup.SetupGet<string>(null!));
+        ex.ShouldNotBeNull();
+        ex.Message.ShouldContain("expression must not be null");
+    }
+
+    [Fact]
+    public void SetupSet_WithoutTypeSpecified_AndNullExpression_ShouldReturnInitializedSetup()
+    {
+        var mimic = new Mimic<ISubject>();
+        var conditionalSetup = new ConditionalSetup<ISubject>(mimic, () => false);
+
+        var ex = Should.Throw<Guard.AssertionException>(() => conditionalSetup.SetupSet(null!));
+        ex.ShouldNotBeNull();
+        ex.Message.ShouldContain("expression must not be null");
+    }
+
+    [Fact]
+    public void SetupSet_WithoutTypeSpecified_AndExpressionIsNotPropertySetter_ShouldThrow()
+    {
+        var mimic = new Mimic<ISubject>();
+        var conditionalSetup = new ConditionalSetup<ISubject>(mimic, () => false);
+
+        var ex = Should.Throw<MimicException>(() => conditionalSetup.SetupSet(m => m.ParameterlessVoidMethod()));
+        ex.ShouldNotBeNull();
+        ex.Message.ShouldBe("Expression (m => m.ParameterlessVoidMethod()) is not a property setter");
+    }
+
+    [Fact]
+    public void SetupSet_WithoutTypeSpecified_ShouldReturnInitializedSetup()
+    {
+        var mimic = new Mimic<ISubject>();
+        var conditionalSetup = new ConditionalSetup<ISubject>(mimic, () => false);
+
+        var setup = conditionalSetup.SetupSet(m => m.Property = default);
+
+        setup.ShouldNotBeNull();
+        setup.ShouldBeOfType<Setup<ISubject>>();
+    }
+
+    [Fact]
+    public void SetupSet_WithTypeSpecified_AndNullExpression_ShouldThrowAssertionException()
+    {
+        var mimic = new Mimic<ISubject>();
+        var conditionalSetup = new ConditionalSetup<ISubject>(mimic, () => false);
+
+        var ex = Should.Throw<Guard.AssertionException>(() => conditionalSetup.SetupSet<string>(null!));
+        ex.ShouldNotBeNull();
+        ex.Message.ShouldContain("expression must not be null");
+    }
+
+    [Fact]
+    public void SetupSet_WithTypeSpecified_ShouldReturnInitializedSetup()
+    {
+        var mimic = new Mimic<ISubject>();
+        var conditionalSetup = new ConditionalSetup<ISubject>(mimic, () => false);
+
+        var setup = conditionalSetup.SetupSet<string>(m => m.Property = default);
+
+        setup.ShouldNotBeNull();
+        setup.ShouldBeOfType<SetterSetup<ISubject, string>>();
+    }
+
+    [Fact]
+    public void SetupSet_WithTypeSpecified_AndExpressionIsNotPropertySetter_ShouldThrow()
+    {
+        var mimic = new Mimic<ISubject>();
+        var conditionalSetup = new ConditionalSetup<ISubject>(mimic, () => false);
+
+        var ex = Should.Throw<MimicException>(() => conditionalSetup.SetupSet(m => m.ParameterlessVoidMethod()));
+        ex.ShouldNotBeNull();
+        ex.Message.ShouldBe("Expression (m => m.ParameterlessVoidMethod()) is not a property setter");
+    }
+
+    // ReSharper disable once MemberCanBePrivate.Global
+    internal interface ISubject
+    {
+        public void ParameterlessVoidMethod();
+
+        public string ParameterlessStringMethod();
+
+        public int Property { get; set; }
+    }
+}