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9 | 9 |
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10 | 10 | namespace Bunit.Extensions.WaitForHelpers |
11 | 11 | { |
12 | | - public class RenderedFragmentWaitForHelperExtensionsTest : TestContext |
13 | | - { |
14 | | - public RenderedFragmentWaitForHelperExtensionsTest(ITestOutputHelper testOutput) |
15 | | - { |
16 | | - Services.AddXunitLogger(testOutput); |
17 | | - } |
18 | | - |
19 | | - [Fact(DisplayName = "WaitForAssertion can wait for multiple renders and changes to occur")] |
20 | | - public void Test110() |
21 | | - { |
22 | | - // Initial state is stopped |
23 | | - var cut = RenderComponent<TwoRendersTwoChanges>(); |
24 | | - var stateElement = cut.Find("#state"); |
25 | | - stateElement.TextContent.ShouldBe("Stopped"); |
26 | | - |
27 | | - // Clicking 'tick' changes the state, and starts a task |
28 | | - cut.Find("#tick").Click(); |
29 | | - cut.Find("#state").TextContent.ShouldBe("Started"); |
30 | | - |
31 | | - // Clicking 'tock' completes the task, which updates the state |
32 | | - // This click causes two renders, thus something is needed to await here. |
33 | | - cut.Find("#tock").Click(); |
34 | | - cut.WaitForAssertion(() => cut.Find("#state").TextContent.ShouldBe("Stopped")); |
35 | | - } |
36 | | - |
37 | | - [Fact(DisplayName = "WaitForAssertion throws assertion exception after timeout")] |
38 | | - public void Test011() |
39 | | - { |
40 | | - var cut = RenderComponent<Simple1>(); |
41 | | - |
42 | | - var expected = Should.Throw<WaitForFailedException>(() => |
43 | | - cut.WaitForAssertion(() => cut.Markup.ShouldBeEmpty(), TimeSpan.FromMilliseconds(10))); |
44 | | - |
45 | | - expected.Message.ShouldBe(WaitForAssertionHelper.TimeoutMessage); |
46 | | - expected.InnerException.ShouldBeOfType<ShouldAssertException>(); |
47 | | - } |
48 | | - |
49 | | - [Fact(DisplayName = "WaitForState throws exception after timeout")] |
50 | | - public void Test012() |
51 | | - { |
52 | | - var cut = RenderComponent<Simple1>(); |
53 | | - |
54 | | - var expected = Should.Throw<WaitForFailedException>(() => |
55 | | - cut.WaitForState(() => string.IsNullOrEmpty(cut.Markup), TimeSpan.FromMilliseconds(100))); |
56 | | - |
57 | | - expected.Message.ShouldBe(WaitForStateHelper.TimeoutBeforePassMessage); |
58 | | - } |
59 | | - |
60 | | - [Fact(DisplayName = "WaitForState throws exception if statePredicate throws on a later render")] |
61 | | - public void Test013() |
62 | | - { |
63 | | - const string expectedInnerMessage = "INNER MESSAGE"; |
64 | | - var cut = RenderComponent<TwoRendersTwoChanges>(); |
65 | | - cut.Find("#tick").Click(); |
66 | | - cut.Find("#tock").Click(); |
67 | | - |
68 | | - var expected = Should.Throw<WaitForFailedException>(() => |
69 | | - cut.WaitForState(() => |
70 | | - { |
71 | | - if (cut.Find("#state").TextContent == "Stopped") |
72 | | - throw new InvalidOperationException(expectedInnerMessage); |
73 | | - return false; |
74 | | - })); |
75 | | - |
76 | | - expected.Message.ShouldBe(WaitForStateHelper.ExceptionInPredicateMessage); |
77 | | - expected.InnerException.ShouldBeOfType<InvalidOperationException>() |
78 | | - .Message.ShouldBe(expectedInnerMessage); |
79 | | - } |
80 | | - |
81 | | - [Fact(DisplayName = "WaitForState can wait for multiple renders and changes to occur")] |
82 | | - public void Test100() |
83 | | - { |
84 | | - // Initial state is stopped |
85 | | - var cut = RenderComponent<TwoRendersTwoChanges>(); |
86 | | - |
87 | | - // Clicking 'tick' changes the state, and starts a task |
88 | | - cut.Find("#tick").Click(); |
89 | | - cut.Find("#state").TextContent.ShouldBe("Started"); |
90 | | - |
91 | | - // Clicking 'tock' completes the task, which updates the state |
92 | | - // This click causes two renders, thus something is needed to await here. |
93 | | - cut.Find("#tock").Click(); |
94 | | - cut.WaitForState(() => |
95 | | - { |
96 | | - var elm = cut.Nodes.QuerySelector("#state"); |
97 | | - return elm?.TextContent == "Stopped"; |
98 | | - }); |
99 | | - } |
100 | | - |
101 | | - [Fact(DisplayName = "WaitForState can detect async changes to properties in the CUT")] |
102 | | - public void Test200() |
103 | | - { |
104 | | - var cut = RenderComponent<AsyncRenderChangesProperty>(); |
105 | | - cut.Instance.Counter.ShouldBe(0); |
106 | | - |
107 | | - // Clicking 'tick' changes the counter, and starts a task |
108 | | - cut.Find("#tick").Click(); |
109 | | - cut.Instance.Counter.ShouldBe(1); |
110 | | - |
111 | | - // Clicking 'tock' completes the task, which updates the counter |
112 | | - // This click causes two renders, thus something is needed to await here. |
113 | | - cut.Find("#tock").Click(); |
114 | | - cut.WaitForState(() => cut.Instance.Counter == 2); |
115 | | - |
116 | | - cut.Instance.Counter.ShouldBe(2); |
117 | | - } |
118 | | - |
119 | | - [Fact(DisplayName = "WaitForAssertion rethrows unhandled exception from a components async operation's methods")] |
120 | | - public void Test300() |
121 | | - { |
122 | | - var cut = RenderComponent<ThrowsAfterAsyncOperation>(); |
123 | | - |
124 | | - Should.Throw<ThrowsAfterAsyncOperation.ThrowsAfterAsyncOperationException>( |
125 | | - () => cut.WaitForAssertion(() => false.ShouldBeTrue())); |
126 | | - } |
127 | | - |
128 | | - [Fact(DisplayName = "WaitForState rethrows unhandled exception from components async operation's methods")] |
129 | | - public void Test301() |
130 | | - { |
131 | | - var cut = RenderComponent<ThrowsAfterAsyncOperation>(); |
132 | | - |
133 | | - Should.Throw<ThrowsAfterAsyncOperation.ThrowsAfterAsyncOperationException>( |
134 | | - () => cut.WaitForState(() => false)); |
135 | | - } |
136 | | - |
137 | | - internal class ThrowsAfterAsyncOperation : ComponentBase |
138 | | - { |
139 | | - protected override async Task OnInitializedAsync() |
140 | | - { |
141 | | - await Task.Delay(1); |
142 | | - throw new ThrowsAfterAsyncOperationException(); |
143 | | - } |
144 | | - |
145 | | - internal sealed class ThrowsAfterAsyncOperationException : Exception { } |
146 | | - } |
147 | | - } |
| 12 | + public class RenderedFragmentWaitForHelperExtensionsTest : TestContext |
| 13 | + { |
| 14 | + public RenderedFragmentWaitForHelperExtensionsTest(ITestOutputHelper testOutput) |
| 15 | + { |
| 16 | + Services.AddXunitLogger(testOutput); |
| 17 | + } |
| 18 | + |
| 19 | + [Fact(DisplayName = "WaitForAssertion can wait for multiple renders and changes to occur")] |
| 20 | + public void Test110() |
| 21 | + { |
| 22 | + // Initial state is stopped |
| 23 | + var cut = RenderComponent<TwoRendersTwoChanges>(); |
| 24 | + var stateElement = cut.Find("#state"); |
| 25 | + stateElement.TextContent.ShouldBe("Stopped"); |
| 26 | + |
| 27 | + // Clicking 'tick' changes the state, and starts a task |
| 28 | + cut.Find("#tick").Click(); |
| 29 | + cut.Find("#state").TextContent.ShouldBe("Started"); |
| 30 | + |
| 31 | + // Clicking 'tock' completes the task, which updates the state |
| 32 | + // This click causes two renders, thus something is needed to await here. |
| 33 | + cut.Find("#tock").Click(); |
| 34 | + cut.WaitForAssertion(() => cut.Find("#state").TextContent.ShouldBe("Stopped")); |
| 35 | + } |
| 36 | + |
| 37 | + [Fact(DisplayName = "WaitForAssertion throws assertion exception after timeout")] |
| 38 | + public void Test011() |
| 39 | + { |
| 40 | + var cut = RenderComponent<Simple1>(); |
| 41 | + |
| 42 | + var expected = Should.Throw<WaitForFailedException>(() => |
| 43 | + cut.WaitForAssertion(() => cut.Markup.ShouldBeEmpty(), TimeSpan.FromMilliseconds(10))); |
| 44 | + |
| 45 | + expected.Message.ShouldBe(WaitForAssertionHelper.TimeoutMessage); |
| 46 | + expected.InnerException.ShouldBeOfType<ShouldAssertException>(); |
| 47 | + } |
| 48 | + |
| 49 | + [Fact(DisplayName = "WaitForState throws exception after timeout")] |
| 50 | + public void Test012() |
| 51 | + { |
| 52 | + var cut = RenderComponent<Simple1>(); |
| 53 | + |
| 54 | + var expected = Should.Throw<WaitForFailedException>(() => |
| 55 | + cut.WaitForState(() => string.IsNullOrEmpty(cut.Markup), TimeSpan.FromMilliseconds(100))); |
| 56 | + |
| 57 | + expected.Message.ShouldBe(WaitForStateHelper.TimeoutBeforePassMessage); |
| 58 | + } |
| 59 | + |
| 60 | + [Fact(DisplayName = "WaitForState throws exception if statePredicate throws on a later render")] |
| 61 | + public void Test013() |
| 62 | + { |
| 63 | + const string expectedInnerMessage = "INNER MESSAGE"; |
| 64 | + var cut = RenderComponent<TwoRendersTwoChanges>(); |
| 65 | + cut.Find("#tick").Click(); |
| 66 | + cut.Find("#tock").Click(); |
| 67 | + |
| 68 | + var expected = Should.Throw<WaitForFailedException>(() => |
| 69 | + cut.WaitForState(() => |
| 70 | + { |
| 71 | + if (cut.Find("#state").TextContent == "Stopped") |
| 72 | + throw new InvalidOperationException(expectedInnerMessage); |
| 73 | + return false; |
| 74 | + })); |
| 75 | + |
| 76 | + expected.Message.ShouldBe(WaitForStateHelper.ExceptionInPredicateMessage); |
| 77 | + expected.InnerException.ShouldBeOfType<InvalidOperationException>() |
| 78 | + .Message.ShouldBe(expectedInnerMessage); |
| 79 | + } |
| 80 | + |
| 81 | + [Fact(DisplayName = "WaitForState can wait for multiple renders and changes to occur")] |
| 82 | + public void Test100() |
| 83 | + { |
| 84 | + // Initial state is stopped |
| 85 | + var cut = RenderComponent<TwoRendersTwoChanges>(); |
| 86 | + |
| 87 | + // Clicking 'tick' changes the state, and starts a task |
| 88 | + cut.Find("#tick").Click(); |
| 89 | + cut.Find("#state").TextContent.ShouldBe("Started"); |
| 90 | + |
| 91 | + // Clicking 'tock' completes the task, which updates the state |
| 92 | + // This click causes two renders, thus something is needed to await here. |
| 93 | + cut.Find("#tock").Click(); |
| 94 | + cut.WaitForState(() => |
| 95 | + { |
| 96 | + var elm = cut.Nodes.QuerySelector("#state"); |
| 97 | + return elm?.TextContent == "Stopped"; |
| 98 | + }); |
| 99 | + } |
| 100 | + |
| 101 | + [Fact(DisplayName = "WaitForState can detect async changes to properties in the CUT")] |
| 102 | + public void Test200() |
| 103 | + { |
| 104 | + var cut = RenderComponent<AsyncRenderChangesProperty>(); |
| 105 | + cut.Instance.Counter.ShouldBe(0); |
| 106 | + |
| 107 | + // Clicking 'tick' changes the counter, and starts a task |
| 108 | + cut.Find("#tick").Click(); |
| 109 | + cut.Instance.Counter.ShouldBe(1); |
| 110 | + |
| 111 | + // Clicking 'tock' completes the task, which updates the counter |
| 112 | + // This click causes two renders, thus something is needed to await here. |
| 113 | + cut.Find("#tock").Click(); |
| 114 | + cut.WaitForState(() => cut.Instance.Counter == 2); |
| 115 | + |
| 116 | + cut.Instance.Counter.ShouldBe(2); |
| 117 | + } |
| 118 | + |
| 119 | + [Fact(DisplayName = "WaitForAssertion rethrows unhandled exception from a components async operation's methods")] |
| 120 | + public void Test300() |
| 121 | + { |
| 122 | + var cut = RenderComponent<ThrowsAfterAsyncOperation>(); |
| 123 | + |
| 124 | + Should.Throw<ThrowsAfterAsyncOperation.ThrowsAfterAsyncOperationException>( |
| 125 | + () => cut.WaitForAssertion(() => false.ShouldBeTrue())); |
| 126 | + } |
| 127 | + |
| 128 | + [Fact(DisplayName = "WaitForState rethrows unhandled exception from components async operation's methods")] |
| 129 | + public void Test301() |
| 130 | + { |
| 131 | + var cut = RenderComponent<ThrowsAfterAsyncOperation>(); |
| 132 | + |
| 133 | + Should.Throw<ThrowsAfterAsyncOperation.ThrowsAfterAsyncOperationException>( |
| 134 | + () => cut.WaitForState(() => false)); |
| 135 | + } |
| 136 | + |
| 137 | + internal class ThrowsAfterAsyncOperation : ComponentBase |
| 138 | + { |
| 139 | + protected override async Task OnInitializedAsync() |
| 140 | + { |
| 141 | + await Task.Delay(1); |
| 142 | + await InvokeAsync(() => throw new ThrowsAfterAsyncOperationException()); |
| 143 | + } |
| 144 | + |
| 145 | + internal sealed class ThrowsAfterAsyncOperationException : Exception { } |
| 146 | + } |
| 147 | + } |
148 | 148 | } |
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