New mocky syntax

mocky.m

[context checking:^{
    // simple expectation
    [expectThat(testObject).receives doSomething];
    
    // with arguments
    [expectThat(testObject).receives doSomethingWithArgument:@"arg"];

    // expectation with cardinality
    [[expectThat(testObject).receives doSomething] times:1];
    [[expectThat(testObject).receives doSomething] atLeast:1];
    [[expectThat(testObject).receives doSomething] never];
    
    // syntatic sugar for common cardinality options
    [[expectThat(testObject).receives doSomething] once];
    [expectThat(testObject.neverReceives doSomething)];
    [allow(testObject).receives doSomething];
    
    // expectation actions
    [[[expectThat(testObject).receives doSomething] then] returns:@"result"];
    [[[expectThat(testObject).receives doSomething] then] raises:anException];
    [[[expectThat(testObject).receives doSomething] then] performs:^{ /* some code */ }];
    
    // sequences
    id sequence = [context sequence:@"some sequence"];
    
    [[expectThat(testObject).receives doSomething] inSequence:sequence];
    [[expectThat(testObject).receives doSomethingElse] inSequence:sequence];
    
    // states
    id power = [[context state:@"power"] startsAs:@"off"];
    
    [[[expectThat(testObject).receives doSomething] when:power is:@"on"] then:power is:@"off"];
    [[[expectThat(testObject).receives doSomething] when:power is:@"off"]];
  }];
  
  // do things with testObject
  
  // check if the context is satisfied 
  [context assertSatisfied];
  
  // or use your own matcher library (e.g. expecta)
  expect(context).isSatisfied();
  
  // wait for asynchronous behaviour to complete?
  [context assertEventuallySatisfied];
  
  // or some kind of expecta async syntax for predicates?
  expect(context).eventually.isSatisfied();
  
  // or perhaps
  expect(context).will.beSatisfied();