How to use testStubParameterizedMethodWithExactValue_doesNotMatch_onClassMock method of StubbingTests class

1//
2//  StubbingTests.swift
3//  MockingbirdTests
4//
5//  Created by Andrew Chang on 8/18/19.
6//  Copyright © 2019 Bird Rides, Inc. All rights reserved.
7//
8
9import Mockingbird
10import XCTest
11@testable import MockingbirdTestsHost
12
13class StubbingTests: BaseTestCase {
14  
15  struct FakeError: Error {}
16  
17  var child: ChildMock!
18  var childInstance: Child { return child }
19  
20  var childProtocol: ChildProtocolMock!
21  var childProtocolInstance: ChildProtocol { return childProtocol }
22  
23  override func setUp() {
24    child = mock(Child.self)
25    childProtocol = mock(ChildProtocol.self)
26  }
27  
28  func testStubTrivialMethod_onClassMock_implicitlyStubbed() {
29    childInstance.childTrivialInstanceMethod()
30    verify(child.childTrivialInstanceMethod()).wasCalled()
31  }
32  func testStubTrivialMethod_onProtocolMock_implicitlyStubbed() {
33    childProtocolInstance.childTrivialInstanceMethod()
34    verify(childProtocol.childTrivialInstanceMethod()).wasCalled()
35  }
36  
37  func testStubTrivialMethod_onClassMock() {
38    given(child.childTrivialInstanceMethod()) ~> ()
39    childInstance.childTrivialInstanceMethod()
40    verify(child.childTrivialInstanceMethod()).wasCalled()
41  }
42  func testStubTrivialMethod_onProtocolMock() {
43    given(childProtocol.childTrivialInstanceMethod()) ~> ()
44    childProtocolInstance.childTrivialInstanceMethod()
45    verify(childProtocol.childTrivialInstanceMethod()).wasCalled()
46  }
47  
48  func testStubTrivialMethod_onClassMock_explicitSyntax() {
49    given(child.childTrivialInstanceMethod()).willReturn(())
50    childInstance.childTrivialInstanceMethod()
51    verify(child.childTrivialInstanceMethod()).wasCalled()
52  }
53  func testStubTrivialMethod_onProtocolMock_explicitSyntax() {
54    given(childProtocol.childTrivialInstanceMethod()).willReturn(())
55    childProtocolInstance.childTrivialInstanceMethod()
56    verify(childProtocol.childTrivialInstanceMethod()).wasCalled()
57  }
58  
59  func testStubTrivialMethod_onClassMock_convenienceExplicitSyntax() {
60    given(child.childTrivialInstanceMethod()).willReturn()
61    childInstance.childTrivialInstanceMethod()
62    verify(child.childTrivialInstanceMethod()).wasCalled()
63  }
64  func testStubTrivialMethod_onProtocolMock_convenienceExplicitSyntax() {
65    given(childProtocol.childTrivialInstanceMethod()).willReturn()
66    childProtocolInstance.childTrivialInstanceMethod()
67    verify(childProtocol.childTrivialInstanceMethod()).wasCalled()
68  }
69  
70  func testStubParameterizedMethodWithWildcardMatcher_onClassMock() {
71    given(child.childParameterizedInstanceMethod(param1: any(), any())) ~> true
72    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
73    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
74    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
75  }
76  func testStubParameterizedMethodWithWildcardMatcher_onProtocolMock() {
77    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())) ~> true
78    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
79    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
80    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
81  }
82  
83  func testStubParameterizedMethodWithWildcardMatcher_onClassMock_explicitSyntax() {
84    given(child.childParameterizedInstanceMethod(param1: any(), any())).willReturn(true)
85    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
86    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
87    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
88  }
89  func testStubParameterizedMethodWithWildcardMatcher_onProtocolMock_explicitSyntax() {
90    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).willReturn(true)
91    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
92    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
93    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
94  }
95  
96  func testStubParameterizedMethodWithExactValue_onClassMock() {
97    given(child.childParameterizedInstanceMethod(param1: true, 1)) ~> true
98    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
99    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
100  }
101  func testStubParameterizedMethodWithExactValue_onProtocolMock() {
102    given(childProtocol.childParameterizedInstanceMethod(param1: true, 1)) ~> true
103    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
104    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
105  }
106  
107  func testStubParameterizedMethodWithExactValue_onClassMock_explicitSyntax() {
108    given(child.childParameterizedInstanceMethod(param1: true, 1)).willReturn(true)
109    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
110    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
111  }
112  func testStubParameterizedMethodWithExactValue_onProtocolMock_explicitSyntax() {
113    given(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).willReturn(true)
114    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
115    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
116  }
117  
118  // MARK: Non-matching
119  
120  func testStubParameterizedMethodWithWildcardMatcher_doesNotMatch_onClassMock() {
121    shouldFail {
122      given(self.child.childParameterizedInstanceMethod(param1: any(), 1)) ~> true
123      XCTAssertTrue(self.childInstance.childParameterizedInstanceMethod(param1: true, 2))
124    }
125  }
126  func testStubParameterizedMethodWithWildcardMatcher_doesNotMatch_onProtocolMock() {
127    shouldFail {
128      given(self.childProtocol.childParameterizedInstanceMethod(param1: any(), 1)) ~> true
129      XCTAssertTrue(self.childProtocolInstance.childParameterizedInstanceMethod(param1: true, 2))
130    }
131  }
132  
133  func testStubParameterizedMethodWithWildcardMatcher_doesNotMatch_onClassMock_explicitSyntax() {
134    shouldFail {
135      given(self.child.childParameterizedInstanceMethod(param1: any(), 1)).willReturn(true)
136      XCTAssertTrue(self.childInstance.childParameterizedInstanceMethod(param1: true, 2))
137    }
138  }
139  func testStubParameterizedMethodWithWildcardMatcher_doesNotMatch_onProtocolMock_explicitSyntax() {
140    shouldFail {
141      given(self.childProtocol.childParameterizedInstanceMethod(param1: any(), 1)).willReturn(true)
142      XCTAssertTrue(self.childProtocolInstance.childParameterizedInstanceMethod(param1: true, 2))
143    }
144  }
145  
146  func testStubParameterizedMethodWithExactValue_doesNotMatch_onClassMock() {
147    shouldFail {
148      given(self.child.childParameterizedInstanceMethod(param1: true, 1)) ~> true
149      XCTAssertTrue(self.childInstance.childParameterizedInstanceMethod(param1: false, 1))
150    }
151  }
152  func testStubParameterizedMethodWithExactValue_doesNotMatch_onProtocolMock() {
153    shouldFail {
154      given(self.childProtocol.childParameterizedInstanceMethod(param1: true, 1)) ~> true
155      XCTAssertTrue(self.childProtocolInstance.childParameterizedInstanceMethod(param1: false, 1))
156    }
157  }
158  
159  func testStubParameterizedMethodWithExactValue_doesNotMatch_onClassMock_explicitSyntax() {
160    shouldFail {
161      given(self.child.childParameterizedInstanceMethod(param1: true, 1)).willReturn(true)
162      XCTAssertTrue(self.childInstance.childParameterizedInstanceMethod(param1: false, 1))
163    }
164  }
165  func testStubParameterizedMethodWithExactValue_doesNotMatch_onProtocolMock_explicitSyntax() {
166    shouldFail {
167      given(self.childProtocol.childParameterizedInstanceMethod(param1: true, 1)).willReturn(true)
168      XCTAssertTrue(self.childProtocolInstance.childParameterizedInstanceMethod(param1: false, 1))
169    }
170  }
171  
172  // MARK: Value consistency
173  
174  func testStubReturnValueReturnsSameValue_onClassMock() {
175    given(child.getChildComputedInstanceVariable()) ~> true
176    XCTAssertTrue(childInstance.childComputedInstanceVariable)
177    XCTAssertTrue(childInstance.childComputedInstanceVariable)
178    XCTAssertTrue(childInstance.childComputedInstanceVariable)
179    verify(child.getChildComputedInstanceVariable()).wasCalled(exactly(3))
180  }
181  func testStubReturnValueReturnsSameValue_onProtocolMock() {
182    given(childProtocol.getChildInstanceVariable()) ~> true
183    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
184    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
185    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
186    verify(childProtocol.getChildInstanceVariable()).wasCalled(exactly(3))
187  }
188  
189  func testStubReturnValueReturnsSameValue_onClassMock_explicitSyntax() {
190    given(child.getChildComputedInstanceVariable()).willReturn(true)
191    XCTAssertTrue(childInstance.childComputedInstanceVariable)
192    XCTAssertTrue(childInstance.childComputedInstanceVariable)
193    XCTAssertTrue(childInstance.childComputedInstanceVariable)
194    verify(child.getChildComputedInstanceVariable()).wasCalled(exactly(3))
195  }
196  func testStubReturnValueReturnsSameValue_onProtocolMock_explicitSyntax() {
197    given(childProtocol.getChildInstanceVariable()).willReturn(true)
198    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
199    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
200    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
201    verify(childProtocol.getChildInstanceVariable()).wasCalled(exactly(3))
202  }
203  
204  // MARK: Precedence
205  
206  func testStubParameterizedMethodOverridesPrevious_onClassMock() {
207    given(child.childParameterizedInstanceMethod(param1: any(), any())) ~> true
208    given(child.childParameterizedInstanceMethod(param1: any(), any())) ~> false
209    XCTAssertFalse(childInstance.childParameterizedInstanceMethod(param1: true, 1))
210    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
211    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
212  }
213  func testStubParameterizedMethodOverridesPrevious_onProtocolMock() {
214    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())) ~> true
215    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())) ~> false
216    XCTAssertFalse(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
217    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
218    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
219  }
220  
221  func testStubParameterizedMethodOverridesPrevious_onClassMock_explicitSyntax() {
222    given(child.childParameterizedInstanceMethod(param1: any(), any())).willReturn(true)
223    given(child.childParameterizedInstanceMethod(param1: any(), any())).willReturn(false)
224    XCTAssertFalse(childInstance.childParameterizedInstanceMethod(param1: true, 1))
225    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
226    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
227  }
228  func testStubParameterizedMethodOverridesPrevious_onProtocolMock_explicitSyntax() {
229    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).willReturn(true)
230    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).willReturn(false)
231    XCTAssertFalse(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
232    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
233    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
234  }
235  
236  func testStubParameterizedMethodIgnoresNonMatching_onClassMock() {
237    given(child.childParameterizedInstanceMethod(param1: any(), any())) ~> true
238    given(child.childParameterizedInstanceMethod(param1: any(), 100)) ~> false
239    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
240    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
241    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
242  }
243  func testStubParameterizedMethodIgnoresNonMatching_onProtocolMock() {
244    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())) ~> true
245    given(childProtocol.childParameterizedInstanceMethod(param1: any(), 100)) ~> false
246    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
247    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
248    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
249  }
250  
251  func testStubParameterizedMethodIgnoresNonMatching_onClassMock_explicitSyntax() {
252    given(child.childParameterizedInstanceMethod(param1: any(), any())).willReturn(true)
253    given(child.childParameterizedInstanceMethod(param1: any(), 100)).willReturn(false)
254    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
255    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
256    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
257  }
258  func testStubParameterizedMethodIgnoresNonMatching_onProtocolMock_explicitSyntax() {
259    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).willReturn(true)
260    given(childProtocol.childParameterizedInstanceMethod(param1: any(), 100)).willReturn(false)
261    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
262    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
263    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
264  }
265  
266  // MARK: Clearing stubs
267  
268  func testClearStubs_onClassMock() {
269    shouldFail {
270      given(self.child.getChildStoredInstanceVariable()) ~> true
271      clearStubs(on: self.child)
272      XCTAssertTrue(self.child.childStoredInstanceVariable)
273    }
274  }
275  func testClearStubs_onProtocolMock() {
276    shouldFail {
277      given(self.childProtocol.getChildInstanceVariable()) ~> true
278      clearStubs(on: self.childProtocol)
279      XCTAssertTrue(self.child.childComputedInstanceVariable)
280    }
281  }
282  
283  func testClearStubs_onClassMock_explicitSyntax() {
284    shouldFail {
285      given(self.child.getChildStoredInstanceVariable()).willReturn(true)
286      clearStubs(on: self.child)
287      XCTAssertTrue(self.child.childStoredInstanceVariable)
288    }
289  }
290  func testClearStubs_onProtocolMock_explicitSyntax() {
291    shouldFail {
292      given(self.childProtocol.getChildInstanceVariable()).willReturn(true)
293      clearStubs(on: self.childProtocol)
294      XCTAssertTrue(self.child.childComputedInstanceVariable)
295    }
296  }
297  
298  // MARK: Closure implementation stubs
299  
300  func testStubParameterizedMethod_onClassMock_withExplicitlyTypedClosure() {
301    given(child.childParameterizedInstanceMethod(param1: any(), any())) ~> {
302      (param1: Bool, param2: Int) -> Bool in
303      return param1 && param2 == 1
304    }
305    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
306    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
307  }
308  func testStubParameterizedMethod_onProtocolMock_withExplicitlyTypedClosure() {
309    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())) ~> {
310      (param1: Bool, param2: Int) -> Bool in
311      return param1 && param2 == 1
312    }
313    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
314    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
315  }
316  
317  func testStubParameterizedMethod_onClassMock_withImplicitlyTypedClosure() {
318    given(child.childParameterizedInstanceMethod(param1: any(), any()))
319      ~> { $0 && $1 == 1 }
320    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
321    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
322  }
323  func testStubParameterizedMethod_onProtocolMock_withImplicitlyTypedClosure() {
324    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any()))
325      ~> { $0 && $1 == 1 }
326    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
327    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
328  }
329  
330  func testStubTrivialMethod_onClassMock_withExplicitClosure() {
331    given(child.childTrivialInstanceMethod()) ~> {}
332    childInstance.childTrivialInstanceMethod()
333    verify(child.childTrivialInstanceMethod()).wasCalled()
334  }
335  func testStubTrivialMethod_onProtocolMock_withExplicitClosure() {
336    given(childProtocol.childTrivialInstanceMethod()) ~> {}
337    childProtocolInstance.childTrivialInstanceMethod()
338    verify(childProtocol.childTrivialInstanceMethod()).wasCalled()
339  }
340  
341  func testStubNonParameterizedReturningMethod_onClassMock_withExplicitClosure() {
342    given(child.getChildComputedInstanceVariable()) ~> {true}
343    XCTAssertTrue(childInstance.childComputedInstanceVariable)
344    verify(child.getChildComputedInstanceVariable()).wasCalled()
345  }
346  func testStubNonParameterizedReturningMethod_onProtocolMock_withExplicitClosure() {
347    given(childProtocol.getChildInstanceVariable()) ~> {true}
348    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
349    verify(childProtocol.getChildInstanceVariable()).wasCalled()
350  }
351  
352  // MARK: Chained stubbing
353  
354  func testTransitionsToNextStub_afterCount() {
355    given(childProtocol.getChildInstanceVariable())
356      .willReturn(loopingSequence(of: true, false), transition: .after(4))
357      .willReturn(true)
358    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
359    XCTAssertFalse(childProtocolInstance.childInstanceVariable)
360    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
361    XCTAssertFalse(childProtocolInstance.childInstanceVariable)
362    
363    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
364    
365    // Check clamped to last value
366    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
367    
368    verify(childProtocol.getChildInstanceVariable()).wasCalled(exactly(6))
369  }
370  
371  func testTransitionsToNextStub_afterCount_skipsValueWhenStubbedLater() {
372    let stubbingManager = given(childProtocol.getChildInstanceVariable())
373      .willReturn(loopingSequence(of: false), transition: .after(2))
374    XCTAssertFalse(childProtocolInstance.childInstanceVariable)
375    XCTAssertFalse(childProtocolInstance.childInstanceVariable)
376    XCTAssertFalse(childProtocolInstance.childInstanceVariable) // Still using sequence value
377    
378    stubbingManager.willReturn(true)
379    XCTAssertTrue(childProtocolInstance.childInstanceVariable) // Should skip to latest stub
380    
381    // Check clamped to last value
382    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
383    
384    verify(childProtocol.getChildInstanceVariable()).wasCalled(exactly(5))
385  }
386  
387  func testTransitionsToNextStub_onFirstNil() {
388    given(childProtocol.getChildInstanceVariable())
389      .willReturn(finiteSequence(of: true, false))
390      .willReturn(true)
391    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
392    XCTAssertFalse(childProtocolInstance.childInstanceVariable)
393    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
394    
395    // Check clamped to last value
396    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
397    
398    verify(childProtocol.getChildInstanceVariable()).wasCalled(exactly(4))
399  }
400}
401

Source: StubbingTests.swift

//
//  StubbingTests.swift
//  MockingbirdTests
//
//  Created by Andrew Chang on 8/18/19.
//  Copyright © 2019 Bird Rides, Inc. All rights reserved.
//

import Mockingbird
import XCTest
@testable import MockingbirdTestsHost

class StubbingTests: BaseTestCase {
  
  struct FakeError: Error {}
  
  var child: ChildMock!
  var childInstance: Child { return child }
  
  var childProtocol: ChildProtocolMock!
  var childProtocolInstance: ChildProtocol { return childProtocol }
  
  override func setUp() {
    child = mock(Child.self)
    childProtocol = mock(ChildProtocol.self)
  }
  
  func testStubTrivialMethod_onClassMock_implicitlyStubbed() {
    childInstance.childTrivialInstanceMethod()
    verify(child.childTrivialInstanceMethod()).wasCalled()
  }
  func testStubTrivialMethod_onProtocolMock_implicitlyStubbed() {
    childProtocolInstance.childTrivialInstanceMethod()
    verify(childProtocol.childTrivialInstanceMethod()).wasCalled()
  }
  
  func testStubTrivialMethod_onClassMock() {
    given(child.childTrivialInstanceMethod()) ~> ()
    childInstance.childTrivialInstanceMethod()
    verify(child.childTrivialInstanceMethod()).wasCalled()
  }
  func testStubTrivialMethod_onProtocolMock() {
    given(childProtocol.childTrivialInstanceMethod()) ~> ()
    childProtocolInstance.childTrivialInstanceMethod()
    verify(childProtocol.childTrivialInstanceMethod()).wasCalled()
  }
  
  func testStubTrivialMethod_onClassMock_explicitSyntax() {
    given(child.childTrivialInstanceMethod()).willReturn(())
    childInstance.childTrivialInstanceMethod()
    verify(child.childTrivialInstanceMethod()).wasCalled()
  }
  func testStubTrivialMethod_onProtocolMock_explicitSyntax() {
    given(childProtocol.childTrivialInstanceMethod()).willReturn(())
    childProtocolInstance.childTrivialInstanceMethod()
    verify(childProtocol.childTrivialInstanceMethod()).wasCalled()
  }
  
  func testStubTrivialMethod_onClassMock_convenienceExplicitSyntax() {
    given(child.childTrivialInstanceMethod()).willReturn()
    childInstance.childTrivialInstanceMethod()
    verify(child.childTrivialInstanceMethod()).wasCalled()
  }
  func testStubTrivialMethod_onProtocolMock_convenienceExplicitSyntax() {
    given(childProtocol.childTrivialInstanceMethod()).willReturn()
    childProtocolInstance.childTrivialInstanceMethod()
    verify(childProtocol.childTrivialInstanceMethod()).wasCalled()
  }
  
  func testStubParameterizedMethodWithWildcardMatcher_onClassMock() {
    given(child.childParameterizedInstanceMethod(param1: any(), any())) ~> true
    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  func testStubParameterizedMethodWithWildcardMatcher_onProtocolMock() {
    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())) ~> true
    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  
  func testStubParameterizedMethodWithWildcardMatcher_onClassMock_explicitSyntax() {
    given(child.childParameterizedInstanceMethod(param1: any(), any())).willReturn(true)
    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  func testStubParameterizedMethodWithWildcardMatcher_onProtocolMock_explicitSyntax() {
    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).willReturn(true)
    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  
  func testStubParameterizedMethodWithExactValue_onClassMock() {
    given(child.childParameterizedInstanceMethod(param1: true, 1)) ~> true
    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  func testStubParameterizedMethodWithExactValue_onProtocolMock() {
    given(childProtocol.childParameterizedInstanceMethod(param1: true, 1)) ~> true
    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  
  func testStubParameterizedMethodWithExactValue_onClassMock_explicitSyntax() {
    given(child.childParameterizedInstanceMethod(param1: true, 1)).willReturn(true)
    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  func testStubParameterizedMethodWithExactValue_onProtocolMock_explicitSyntax() {
    given(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).willReturn(true)
    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  
  // MARK: Non-matching
  
  func testStubParameterizedMethodWithWildcardMatcher_doesNotMatch_onClassMock() {
    shouldFail {
      given(self.child.childParameterizedInstanceMethod(param1: any(), 1)) ~> true
      XCTAssertTrue(self.childInstance.childParameterizedInstanceMethod(param1: true, 2))
    }
  }
  func testStubParameterizedMethodWithWildcardMatcher_doesNotMatch_onProtocolMock() {
    shouldFail {
      given(self.childProtocol.childParameterizedInstanceMethod(param1: any(), 1)) ~> true
      XCTAssertTrue(self.childProtocolInstance.childParameterizedInstanceMethod(param1: true, 2))
    }
  }
  
  func testStubParameterizedMethodWithWildcardMatcher_doesNotMatch_onClassMock_explicitSyntax() {
    shouldFail {
      given(self.child.childParameterizedInstanceMethod(param1: any(), 1)).willReturn(true)
      XCTAssertTrue(self.childInstance.childParameterizedInstanceMethod(param1: true, 2))
    }
  }
  func testStubParameterizedMethodWithWildcardMatcher_doesNotMatch_onProtocolMock_explicitSyntax() {
    shouldFail {
      given(self.childProtocol.childParameterizedInstanceMethod(param1: any(), 1)).willReturn(true)
      XCTAssertTrue(self.childProtocolInstance.childParameterizedInstanceMethod(param1: true, 2))
    }
  }
  
  func testStubParameterizedMethodWithExactValue_doesNotMatch_onClassMock() {
    shouldFail {
      given(self.child.childParameterizedInstanceMethod(param1: true, 1)) ~> true
      XCTAssertTrue(self.childInstance.childParameterizedInstanceMethod(param1: false, 1))
    }
  }
  func testStubParameterizedMethodWithExactValue_doesNotMatch_onProtocolMock() {
    shouldFail {
      given(self.childProtocol.childParameterizedInstanceMethod(param1: true, 1)) ~> true
      XCTAssertTrue(self.childProtocolInstance.childParameterizedInstanceMethod(param1: false, 1))
    }
  }
  
  func testStubParameterizedMethodWithExactValue_doesNotMatch_onClassMock_explicitSyntax() {
    shouldFail {
      given(self.child.childParameterizedInstanceMethod(param1: true, 1)).willReturn(true)
      XCTAssertTrue(self.childInstance.childParameterizedInstanceMethod(param1: false, 1))
    }
  }
  func testStubParameterizedMethodWithExactValue_doesNotMatch_onProtocolMock_explicitSyntax() {
    shouldFail {
      given(self.childProtocol.childParameterizedInstanceMethod(param1: true, 1)).willReturn(true)
      XCTAssertTrue(self.childProtocolInstance.childParameterizedInstanceMethod(param1: false, 1))
    }
  }
  
  // MARK: Value consistency
  
  func testStubReturnValueReturnsSameValue_onClassMock() {
    given(child.getChildComputedInstanceVariable()) ~> true
    XCTAssertTrue(childInstance.childComputedInstanceVariable)
    XCTAssertTrue(childInstance.childComputedInstanceVariable)
    XCTAssertTrue(childInstance.childComputedInstanceVariable)
    verify(child.getChildComputedInstanceVariable()).wasCalled(exactly(3))
  }
  func testStubReturnValueReturnsSameValue_onProtocolMock() {
    given(childProtocol.getChildInstanceVariable()) ~> true
    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
    verify(childProtocol.getChildInstanceVariable()).wasCalled(exactly(3))
  }
  
  func testStubReturnValueReturnsSameValue_onClassMock_explicitSyntax() {
    given(child.getChildComputedInstanceVariable()).willReturn(true)
    XCTAssertTrue(childInstance.childComputedInstanceVariable)
    XCTAssertTrue(childInstance.childComputedInstanceVariable)
    XCTAssertTrue(childInstance.childComputedInstanceVariable)
    verify(child.getChildComputedInstanceVariable()).wasCalled(exactly(3))
  }
  func testStubReturnValueReturnsSameValue_onProtocolMock_explicitSyntax() {
    given(childProtocol.getChildInstanceVariable()).willReturn(true)
    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
    verify(childProtocol.getChildInstanceVariable()).wasCalled(exactly(3))
  }
  
  // MARK: Precedence
  
  func testStubParameterizedMethodOverridesPrevious_onClassMock() {
    given(child.childParameterizedInstanceMethod(param1: any(), any())) ~> true
    given(child.childParameterizedInstanceMethod(param1: any(), any())) ~> false
    XCTAssertFalse(childInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  func testStubParameterizedMethodOverridesPrevious_onProtocolMock() {
    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())) ~> true
    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())) ~> false
    XCTAssertFalse(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  
  func testStubParameterizedMethodOverridesPrevious_onClassMock_explicitSyntax() {
    given(child.childParameterizedInstanceMethod(param1: any(), any())).willReturn(true)
    given(child.childParameterizedInstanceMethod(param1: any(), any())).willReturn(false)
    XCTAssertFalse(childInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  func testStubParameterizedMethodOverridesPrevious_onProtocolMock_explicitSyntax() {
    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).willReturn(true)
    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).willReturn(false)
    XCTAssertFalse(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  
  func testStubParameterizedMethodIgnoresNonMatching_onClassMock() {
    given(child.childParameterizedInstanceMethod(param1: any(), any())) ~> true
    given(child.childParameterizedInstanceMethod(param1: any(), 100)) ~> false
    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  func testStubParameterizedMethodIgnoresNonMatching_onProtocolMock() {
    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())) ~> true
    given(childProtocol.childParameterizedInstanceMethod(param1: any(), 100)) ~> false
    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  
  func testStubParameterizedMethodIgnoresNonMatching_onClassMock_explicitSyntax() {
    given(child.childParameterizedInstanceMethod(param1: any(), any())).willReturn(true)
    given(child.childParameterizedInstanceMethod(param1: any(), 100)).willReturn(false)
    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
    verify(child.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  func testStubParameterizedMethodIgnoresNonMatching_onProtocolMock_explicitSyntax() {
    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).willReturn(true)
    given(childProtocol.childParameterizedInstanceMethod(param1: any(), 100)).willReturn(false)
    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
    verify(childProtocol.childParameterizedInstanceMethod(param1: true, 1)).wasCalled()
  }
  
  // MARK: Clearing stubs
  
  func testClearStubs_onClassMock() {
    shouldFail {
      given(self.child.getChildStoredInstanceVariable()) ~> true
      clearStubs(on: self.child)
      XCTAssertTrue(self.child.childStoredInstanceVariable)
    }
  }
  func testClearStubs_onProtocolMock() {
    shouldFail {
      given(self.childProtocol.getChildInstanceVariable()) ~> true
      clearStubs(on: self.childProtocol)
      XCTAssertTrue(self.child.childComputedInstanceVariable)
    }
  }
  
  func testClearStubs_onClassMock_explicitSyntax() {
    shouldFail {
      given(self.child.getChildStoredInstanceVariable()).willReturn(true)
      clearStubs(on: self.child)
      XCTAssertTrue(self.child.childStoredInstanceVariable)
    }
  }
  func testClearStubs_onProtocolMock_explicitSyntax() {
    shouldFail {
      given(self.childProtocol.getChildInstanceVariable()).willReturn(true)
      clearStubs(on: self.childProtocol)
      XCTAssertTrue(self.child.childComputedInstanceVariable)
    }
  }
  
  // MARK: Closure implementation stubs
  
  func testStubParameterizedMethod_onClassMock_withExplicitlyTypedClosure() {
    given(child.childParameterizedInstanceMethod(param1: any(), any())) ~> {
      (param1: Bool, param2: Int) -> Bool in
      return param1 && param2 == 1
    }
    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
  }
  func testStubParameterizedMethod_onProtocolMock_withExplicitlyTypedClosure() {
    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any())) ~> {
      (param1: Bool, param2: Int) -> Bool in
      return param1 && param2 == 1
    }
    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
  }
  
  func testStubParameterizedMethod_onClassMock_withImplicitlyTypedClosure() {
    given(child.childParameterizedInstanceMethod(param1: any(), any()))
      ~> { $0 && $1 == 1 }
    XCTAssertTrue(childInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(child.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
  }
  func testStubParameterizedMethod_onProtocolMock_withImplicitlyTypedClosure() {
    given(childProtocol.childParameterizedInstanceMethod(param1: any(), any()))
      ~> { $0 && $1 == 1 }
    XCTAssertTrue(childProtocolInstance.childParameterizedInstanceMethod(param1: true, 1))
    verify(childProtocol.childParameterizedInstanceMethod(param1: any(), any())).wasCalled()
  }
  
  func testStubTrivialMethod_onClassMock_withExplicitClosure() {
    given(child.childTrivialInstanceMethod()) ~> {}
    childInstance.childTrivialInstanceMethod()
    verify(child.childTrivialInstanceMethod()).wasCalled()
  }
  func testStubTrivialMethod_onProtocolMock_withExplicitClosure() {
    given(childProtocol.childTrivialInstanceMethod()) ~> {}
    childProtocolInstance.childTrivialInstanceMethod()
    verify(childProtocol.childTrivialInstanceMethod()).wasCalled()
  }
  
  func testStubNonParameterizedReturningMethod_onClassMock_withExplicitClosure() {
    given(child.getChildComputedInstanceVariable()) ~> {true}
    XCTAssertTrue(childInstance.childComputedInstanceVariable)
    verify(child.getChildComputedInstanceVariable()).wasCalled()
  }
  func testStubNonParameterizedReturningMethod_onProtocolMock_withExplicitClosure() {
    given(childProtocol.getChildInstanceVariable()) ~> {true}
    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
    verify(childProtocol.getChildInstanceVariable()).wasCalled()
  }
  
  // MARK: Chained stubbing
  
  func testTransitionsToNextStub_afterCount() {
    given(childProtocol.getChildInstanceVariable())
      .willReturn(loopingSequence(of: true, false), transition: .after(4))
      .willReturn(true)
    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
    XCTAssertFalse(childProtocolInstance.childInstanceVariable)
    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
    XCTAssertFalse(childProtocolInstance.childInstanceVariable)
    
    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
    
    // Check clamped to last value
    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
    
    verify(childProtocol.getChildInstanceVariable()).wasCalled(exactly(6))
  }
  
  func testTransitionsToNextStub_afterCount_skipsValueWhenStubbedLater() {
    let stubbingManager = given(childProtocol.getChildInstanceVariable())
      .willReturn(loopingSequence(of: false), transition: .after(2))
    XCTAssertFalse(childProtocolInstance.childInstanceVariable)
    XCTAssertFalse(childProtocolInstance.childInstanceVariable)
    XCTAssertFalse(childProtocolInstance.childInstanceVariable) // Still using sequence value
    
    stubbingManager.willReturn(true)
    XCTAssertTrue(childProtocolInstance.childInstanceVariable) // Should skip to latest stub
    
    // Check clamped to last value
    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
    
    verify(childProtocol.getChildInstanceVariable()).wasCalled(exactly(5))
  }
  
  func testTransitionsToNextStub_onFirstNil() {
    given(childProtocol.getChildInstanceVariable())
      .willReturn(finiteSequence(of: true, false))
      .willReturn(true)
    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
    XCTAssertFalse(childProtocolInstance.childInstanceVariable)
    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
    
    // Check clamped to last value
    XCTAssertTrue(childProtocolInstance.childInstanceVariable)
    
    verify(childProtocol.getChildInstanceVariable()).wasCalled(exactly(4))
  }
}