Nunit-Writing Tests

Nunit 测试可以被任意支持attributes的.net语言使用

Attributes被用于去标识测试类和测试方法，然后通过不同的方式修改他们的行为
Assertions针对一个或多个约束，测试一个实际值，然后断定为一个成功或失败的测试结果
Test Context 写测试代码的时候，有时候需要测试上下文的一些信息

Attributes:

Action
Category
Combinatorial
Culture
DatapointAttribute / DatapointsAttribute
Description
ExpectedException
Explicit
Ignore
Maxtime
Pairwise
Platform
Property
Random
Range
Repeat
RequiredAddin
RequiresMTA
RequiresSTA
RequiresThread
Sequential
SetCulture
SetUICulture
SetUp
SetUpFixture
Suite
TearDown
Test
TestCase
TestCaseSource
TestFixture
TestFixtureSetUp
TestFixtureTearDown
Theory
Timeout
Values
ValueSource

Assertions

NUnit 2.4以前，Assert 类的一个单独的方法被用于每个不同的断言，我们把这种方式叫作：Classic Model，相当于每类断言，一个方法，

Assert.AreEqual( int expected, int actual );
Assert.AreEqual( int expected, int actual, string message );
Assert.AreEqual( int expected, int actual, string message, params object[] parms );Assert.AreEqual( uint expected, uint actual );
Assert.AreEqual( uint expected, uint actual, string message );
Assert.AreEqual( uint expected, uint actual, string message, params object[] parms );Assert.AreEqual( decimal expected, decimal actual );
Assert.AreEqual( decimal expected, decimal actual, string message );
Assert.AreEqual( decimal expected, decimal actual, string message, params object[] parms );Assert.AreEqual( float expected, float actual, float tolerance );
Assert.AreEqual( float expected, float actual, float tolerance,string message );
Assert.AreEqual( float expected, float actual, float tolerance,string message, params object[] parms );Assert.AreEqual( double expected, double actual, double tolerance );
Assert.AreEqual( double expected, double actual, double tolerance,string message );
Assert.AreEqual( double expected, double actual, double tolerance,string message, params object[] parms );Assert.AreEqual( object expected, object actual );
Assert.AreEqual( object expected, object actual, string message );
Assert.AreEqual( object expected, object actual, string message, params object[] parms );Assert.AreNotEqual( int expected, int actual );
Assert.AreNotEqual( int expected, int actual, string message );
Assert.AreNotEqual( int expected, int actual, string message,params object[] parms );Assert.AreNotEqual( long expected, long actual );
Assert.AreNotEqual( long expected, long actual, string message );
Assert.AreNotEqual( long expected, long actual, string message,params object[] parms );Assert.AreNotEqual( uint expected, uint actual );
Assert.AreNotEqual( uint expected, uint actual, string message );
Assert.AreNotEqual( uint expected, uint actual, string message,params object[] parms );Assert.AreNotEqual( ulong expected, ulong actual );
Assert.AreNotEqual( ulong expected, ulong actual, string message );
Assert.AreNotEqual( ulong expected, ulong actual, string message,params object[] parms );Assert.AreNotEqual( decimal expected, decimal actual );
Assert.AreNotEqual( decimal expected, decimal actual, string message );
Assert.AreNotEqual( decimal expected, decimal actual, string message,params object[] parms );Assert.AreNotEqual( float expected, float actual );
Assert.AreNotEqual( float expected, float actual, string message );
Assert.AreNotEqual( float expected, float actual, string message,params object[] parms );Assert.AreNotEqual( double expected, double actual );
Assert.AreNotEqual( double expected, double actual, string message );
Assert.AreNotEqual( double expected, double actual, string message,params object[] parms );Assert.AreNotEqual( object expected, object actual );
Assert.AreNotEqual( object expected, object actual, string message );
Assert.AreNotEqual( object expected, object actual, string message,params object[] parms );

从NUnit 2.4开始，一个新的constraint-based model被引进，这种通过传递一个约束对象给要执行的测试方法的方式用Assert类的单个方法为所有逻辑断言

Assert.That( object actual, IResolveConstraint constraint )
Assert.That( object actual, IResolveConstraint constraint,     string message )
Assert.That( object actual, IResolveConstraint constraint,   string message, object[] parms )
Assert.That( ActualValueDelegate del, IResolveConstraint constraint )
Assert.That( ActualValueDelegate del, IResolveConstraint constraint, string message )
Assert.That( ActualValueDelegate del, IResolveConstraint constraint, string message, object[] parms )
Assert.That( ref T actual, IResolveConstraint constraint )
Assert.That( ref T actual, IResolveConstraint constraint,  string message )
Assert.That( ref T actual, IResolveConstraint constraint, string message, object[] parms )
Assert.That( bool condition );
Assert.That( bool condition, string message );
Assert.That( bool condition, string message, object[] parms );
Assert.That( TestDelegate del, IResolveConstraint constraint );

TestContext (NUnit 2.5.7 / 2.6)

每一个单元测试都运行在一个执行上下文中，这个执行上下文包含当前环境的一些信息以及测试本身的一些信息，我们可以通过TestContext 类来获取这样一些信息

转载于:https://www.cnblogs.com/LittleFeiHu/p/4545071.html

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Nunit-Writing Tests

Attributes:

Assertions

TestContext (NUnit 2.5.7 / 2.6)

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