-
Notifications
You must be signed in to change notification settings - Fork 15
/
SnapshotTestResultAcceptorSpec.swift
177 lines (148 loc) · 8.95 KB
/
SnapshotTestResultAcceptorSpec.swift
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
//
// SnapshotTestResultAcceptorSpec.swift
// FBSnapshotsViewerTests
//
// Created by Anton Domashnev on 27.06.17.
// Copyright © 2017 Anton Domashnev. All rights reserved.
//
import Quick
import Nimble
@testable import FBSnapshotsViewer
class SnapshotTestResultAcceptor_MockFileManager: FileManager {
enum SnapshotTestResultAcceptor_MockFileManagerError: Error {
case sample
}
var copyItemCalled: Bool = false
var copyItemFromSourceURL: URL?
var copyItemToDestinationURL: URL?
var copyItemThrows: Bool = false
override func copyItem(at srcURL: URL, to dstURL: URL) throws {
if copyItemThrows {
throw SnapshotTestResultAcceptor_MockFileManagerError.sample
}
copyItemCalled = true
copyItemFromSourceURL = srcURL
copyItemToDestinationURL = dstURL
}
var removeItemCalled: Bool = false
var removeItemAtURL: URL?
var removeItemThrows: Bool = false
override func removeItem(at URL: URL) throws {
if removeItemThrows {
throw SnapshotTestResultAcceptor_MockFileManagerError.sample
}
removeItemCalled = true
removeItemAtURL = URL
}
var fileExistsCalled: Bool = false
var fileExistsReturnValue: Bool = false
override func fileExists(atPath path: String) -> Bool {
fileExistsCalled = true
return fileExistsReturnValue
}
}
class SnapshotTestResultAcceptorSpec: QuickSpec {
override func spec() {
var build: Build!
var testInformation: SnapshotTestInformation!
var imageCache: ImageCacheMock!
var acceptor: SnapshotTestResultAcceptor!
var fileManager: SnapshotTestResultAcceptor_MockFileManager!
beforeEach {
build = Build(date: Date(), applicationName: "MyApp", fbReferenceImageDirectoryURLs: [URL(fileURLWithPath: "/foo/bar", isDirectory: true)])
testInformation = SnapshotTestInformation(testClassName: "Bar", testName: "Foo", testFilePath: "Bar/Foo.m", testLineNumber: 1)
fileManager = SnapshotTestResultAcceptor_MockFileManager()
imageCache = ImageCacheMock()
acceptor = SnapshotTestResultAcceptor(fileManager: fileManager, imageCache: imageCache)
}
describe(".accept") {
var testResult: SnapshotTestResult!
context("given recorded snapshot test result") {
beforeEach {
testResult = SnapshotTestResult.recorded(testInformation: testInformation, referenceImagePath: "Bar", build: build)
}
it("throws error") {
expect { try acceptor.accept(testResult) }.to(throwError())
}
}
context("when file manager throws exception") {
beforeEach {
testInformation = SnapshotTestInformation(testClassName: "DetailsViewController", testName: "testNormalState", testFilePath: "foo/DetailsViewController.m", testLineNumber: 1)
testResult = SnapshotTestResult.failed(testInformation: testInformation, referenceImagePath: "/Users/antondomashnev/Library/Xcode/tmp/DetailsViewController/reference_testNormalState@2x.png", diffImagePath: "/Users/antondomashnev/Library/Xcode/tmp/DetailsViewController/difftestNormalState@2x.png", failedImagePath: "/Users/antondomashnev/Library/Xcode/tmp/DetailsViewController/failed_testNormalState@2x.png", build: build)
fileManager.removeItemThrows = true
}
it("throws error") {
expect { try acceptor.accept(testResult) }.to(throwError())
}
}
context("given failed snapshot test result") {
context("with non-retina images") {
beforeEach {
testInformation = SnapshotTestInformation(testClassName: "DetailsViewController", testName: "testNormalState", testFilePath: "foo/DetailsViewController.m", testLineNumber: 1)
testResult = SnapshotTestResult.failed(testInformation: testInformation, referenceImagePath: "/Users/antondomashnev/Library/Xcode/tmp/DetailsViewController/reference_testNormalState.png", diffImagePath: "/Users/antondomashnev/Library/Xcode/tmp/DetailsViewController/difftestNormalState@.png", failedImagePath: "/Users/antondomashnev/Library/Xcode/tmp/DetailsViewController/failed_testNormalState@.png", build: build)
}
it("throws error") {
expect { try acceptor.accept(testResult) }.to(throwError())
}
}
context("with retina images") {
var returnedTestResult: SnapshotTestResult!
beforeEach {
testInformation = SnapshotTestInformation(testClassName: "DetailsViewController", testName: "testNormalState", testFilePath: "foo/DetailsViewController.m", testLineNumber: 1)
testResult = SnapshotTestResult.failed(testInformation: testInformation, referenceImagePath: "/Users/antondomashnev/Library/Xcode/tmp/DetailsViewController/reference_testNormalState@2x.png", diffImagePath: "/Users/antondomashnev/Library/Xcode/tmp/DetailsViewController/difftestNormalState@2x.png", failedImagePath: "/Users/antondomashnev/Library/Xcode/tmp/DetailsViewController/failed_testNormalState@2x.png", build: build)
}
context("that doesn't exist") {
beforeEach {
fileManager.fileExistsReturnValue = false
}
it("throws error") {
expect { try acceptor.accept(testResult) }.to(throwError())
}
}
context("that exists") {
beforeEach {
fileManager.fileExistsReturnValue = true
returnedTestResult = try? acceptor.accept(testResult)
}
it("removes current reference images from directory") {
expect(fileManager.removeItemCalled).to(beTrue())
expect(fileManager.removeItemAtURL).to(equal(URL(fileURLWithPath: "/Users/antondomashnev/Library/Xcode/tmp/DetailsViewController/failed_testNormalState@2x.png")))
}
it("copies failed snapshot image to the fb reference images directory") {
expect(fileManager.copyItemCalled).to(beTrue())
expect(fileManager.copyItemFromSourceURL).to(equal(URL(fileURLWithPath: "/Users/antondomashnev/Library/Xcode/tmp/DetailsViewController/failed_testNormalState@2x.png")))
expect(fileManager.copyItemToDestinationURL).to(equal(URL(fileURLWithPath: "/foo/bar/DetailsViewController/testNormalState@2x.png")))
}
it("invalidates cache") {
expect(imageCache.invalidateCalled).to(beTrue())
}
it("returns accepted test result") {
let expectedTestInformation = SnapshotTestInformation(testClassName: "DetailsViewController", testName: "testNormalState", testFilePath: "foo/DetailsViewController.m", testLineNumber: 1)
let expectedTestResult = SnapshotTestResult.recorded(testInformation: expectedTestInformation, referenceImagePath: "/foo/bar/DetailsViewController/testNormalState@2x.png", build: build)
expect(returnedTestResult).to(equal(expectedTestResult))
}
}
}
}
}
describe(".canAccept") {
var testResult: SnapshotTestResult!
context("given recorded snapshot test result") {
beforeEach {
testResult = SnapshotTestResult.recorded(testInformation: testInformation, referenceImagePath: "Bar", build: build)
}
it("returns false") {
expect(acceptor.canAccept(testResult)).to(beFalse())
}
}
context("given failed snapshot test result") {
beforeEach {
testResult = SnapshotTestResult.failed(testInformation: testInformation, referenceImagePath: "Reference", diffImagePath: "Diff", failedImagePath: "Failed", build: build)
}
it("returns true") {
expect(acceptor.canAccept(testResult)).to(beTrue())
}
}
}
}
}