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add device agnostic tests & modify snapshot window fallback
Use UIApplication.keyWindow instead of a manually-created & installed window when snapshotting a view w/o a window. This prevents keyWindow from being `nil` when generating device-agnostic reference image filenames. Accessing keyWindow is done through a category, so as to always throw an assertion if it is nil, instructing developers to make sure their tests have a host application w/ a key window.
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20 changes: 20 additions & 0 deletions
20
FBSnapshotTestCase/Categories/UIApplication+StrictKeyWindow.h
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| /* | ||
| * Copyright (c) 2015, Facebook, Inc. | ||
| * All rights reserved. | ||
| * | ||
| * This source code is licensed under the BSD-style license found in the | ||
| * LICENSE file in the root directory of this source tree. An additional grant | ||
| * of patent rights can be found in the PATENTS file in the same directory. | ||
| * | ||
| */ | ||
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| #import <UIKit/UIKit.h> | ||
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| @interface UIApplication (StrictKeyWindow) | ||
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| /** | ||
| @return The receiver's @c keyWindow. Raises an assertion if @c nil. | ||
| */ | ||
| - (UIWindow *)fb_strictKeyWindow; | ||
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| @end |
27 changes: 27 additions & 0 deletions
27
FBSnapshotTestCase/Categories/UIApplication+StrictKeyWindow.m
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| @@ -0,0 +1,27 @@ | ||
| /* | ||
| * Copyright (c) 2015, Facebook, Inc. | ||
| * All rights reserved. | ||
| * | ||
| * This source code is licensed under the BSD-style license found in the | ||
| * LICENSE file in the root directory of this source tree. An additional grant | ||
| * of patent rights can be found in the PATENTS file in the same directory. | ||
| * | ||
| */ | ||
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| #import <FBSnapshotTestCase/UIApplication+StrictKeyWindow.h> | ||
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| @implementation UIApplication (StrictKeyWindow) | ||
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| - (UIWindow *)fb_strictKeyWindow | ||
| { | ||
| UIWindow *keyWindow = [UIApplication sharedApplication].keyWindow; | ||
| if (!keyWindow) { | ||
| [NSException raise:@"FBSnapshotTestCaseNilKeyWindowException" | ||
| format:@"Snapshot tests must be hosted by an application with a key window. Please ensure your test" | ||
| " host sets up a key window at launch (either via storyboards or programmatically) and doesn't" | ||
| " do anything to remove it while snapshot tests are running."]; | ||
| } | ||
| return keyWindow; | ||
| } | ||
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| @end |
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36 changes: 36 additions & 0 deletions
36
...estCaseDemo/FBSnapshotTestCaseDemo/Images.xcassets/Brand Assets.launchimage/Contents.json
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,36 @@ | ||
| { | ||
| "images" : [ | ||
| { | ||
| "orientation" : "portrait", | ||
| "idiom" : "ipad", | ||
| "extent" : "full-screen", | ||
| "minimum-system-version" : "7.0", | ||
| "scale" : "1x" | ||
| }, | ||
| { | ||
| "orientation" : "landscape", | ||
| "idiom" : "ipad", | ||
| "extent" : "full-screen", | ||
| "minimum-system-version" : "7.0", | ||
| "scale" : "1x" | ||
| }, | ||
| { | ||
| "orientation" : "portrait", | ||
| "idiom" : "ipad", | ||
| "extent" : "full-screen", | ||
| "minimum-system-version" : "7.0", | ||
| "scale" : "2x" | ||
| }, | ||
| { | ||
| "orientation" : "landscape", | ||
| "idiom" : "ipad", | ||
| "extent" : "full-screen", | ||
| "minimum-system-version" : "7.0", | ||
| "scale" : "2x" | ||
| } | ||
| ], | ||
| "info" : { | ||
| "version" : 1, | ||
| "author" : "xcode" | ||
| } | ||
| } |
6 changes: 6 additions & 0 deletions
6
FBSnapshotTestCaseDemo/FBSnapshotTestCaseDemo/Images.xcassets/Contents.json
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| { | ||
| "info" : { | ||
| "version" : 1, | ||
| "author" : "xcode" | ||
| } | ||
| } |
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