113 lines
3.5 KiB
HTML
113 lines
3.5 KiB
HTML
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<h3>TestCaseBuilders (NUnit 2.4)</h3>
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<h4>Purpose</h4>
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<p>TestCaseBuilders create Tests based on a MethodInfo. NUnit uses several
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TestCaseBuilders internally to create various kinds of TestMethods.
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<h4>Extension Point</h4>
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Addins use the host to access this extension point by name:
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<pre>
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IExtensionPoint testCaseBuilders = host.GetExtensionPoint( "TestCaseBuilders" );</pre>
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<h4>Interfaces</h4>
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<p>The extension object passed to Install must implement either the ITestCaseBuilder
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or the ITestCaseBuilder2 interface:
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<pre>
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public interface ITestCaseBuilder
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{
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bool CanBuildFrom( MethodInfo method );
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Test BuildFrom( MethodInfo method );
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}
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public interface ITestCaseBuilder2 : ITestCaseBuilder
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{
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bool CanBuildFrom( MethodInfo method, Test suite );
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Test BuildFrom( MethodInfo method, Test suite );
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}
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</pre>
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<p>NUnit will call ITestCaseBuilder2 if it is available. Otherwise
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ITestCaseBuilder will be used.
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<p>The CanBuildFrom method should return true if the addin can build
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a test from the MethodInfo provided. Some TestCaseBuilder addins are only
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intended to apply to methods within a specific type of fixture. The
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suite argument of the ITestCaseBuilder2 interface may be used to make
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this determination.
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<p>The BuildFrom method should return a test constructed over the MethodInfo
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provided as an argument or null if the method cannot be used.
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