[ci][image_picker]enable xcode 12/iOS 14 for all tasks except lint (#3304)

Author: Chris Yang

.cirrus.yml

@@ -117,6 +117,7 @@ task:
   env:
     INTEGRATION_TEST_PATH: "./packages/integration_test"
   upgrade_script:
+    - sudo gem install cocoapods
     - flutter channel stable
     - flutter upgrade
     - flutter channel master
@@ -134,13 +135,14 @@ task:
         - xvfb-run ./script/incremental_build.sh drive-examples --linux
 
 task:
+  # Xcode 11 task
+  # TODO(cyanglaz): merge Xcode 11 task to Xcode 12 task when all the matrix can be run in Xcode 12.
   # don't run on release tags since it creates O(n^2) tasks where n is the number of plugins
   only_if: $CIRRUS_TAG == ''
   use_compute_credits: $CIRRUS_USER_COLLABORATOR == 'true'
   osx_instance:
     image: catalina-xcode-11.3.1-flutter
   upgrade_script:
-    - sudo gem install cocoapods
     - flutter channel stable
     - flutter upgrade
     - flutter channel master
@@ -151,17 +153,6 @@ task:
     - xcrun simctl list
     - xcrun simctl create Flutter-iPhone com.apple.CoreSimulator.SimDeviceType.iPhone-X com.apple.CoreSimulator.SimRuntime.iOS-13-3 | xargs xcrun simctl boot
   matrix:
-    - name: build_all_plugins_ipa
-      env:
-        matrix:
-          CHANNEL: "master"
-          CHANNEL: "stable"
-      script:
-        # TODO(jackson): Allow web plugins once supported on stable
-        # https://github.com/flutter/flutter/issues/42864
-        - if [[ "$CHANNEL" -eq "stable" ]]; then find . | grep _web$ | xargs rm -rf; fi
-        - flutter channel $CHANNEL
-        - ./script/build_all_plugins_app.sh ios --no-codesign
     - name: lint_darwin_plugins
       env:
         matrix:
@@ -173,6 +164,37 @@ task:
         # Skip the dummy podspecs used to placate the tool.
         - find . -name "*_web*.podspec" -o -name "*_mac*.podspec" | xargs rm
         - ./script/incremental_build.sh podspecs
+
+task:
+  # Xcode 12 task
+  # don't run on release tags since it creates O(n^2) tasks where n is the number of plugins
+  only_if: $CIRRUS_TAG == ''
+  use_compute_credits: $CIRRUS_USER_COLLABORATOR == 'true'
+  osx_instance:
+    image: big-sur-xcode-12.3
+  upgrade_script:
+    - sudo gem install cocoapods
+    - flutter channel stable
+    - flutter upgrade
+    - flutter channel master
+    - flutter upgrade
+    - git fetch origin master
+  activate_script: pub global activate flutter_plugin_tools
+  create_simulator_script:
+    - xcrun simctl list
+    - xcrun simctl create Flutter-iPhone com.apple.CoreSimulator.SimDeviceType.iPhone-11 com.apple.CoreSimulator.SimRuntime.iOS-14-3 | xargs xcrun simctl boot
+  matrix:
+    - name: build_all_plugins_ipa
+      env:
+        matrix:
+          CHANNEL: "master"
+          CHANNEL: "stable"
+      script:
+        # TODO(jackson): Allow web plugins once supported on stable
+        # https://github.com/flutter/flutter/issues/42864
+        - if [[ "$CHANNEL" -eq "stable" ]]; then find . | grep _web$ | xargs rm -rf; fi
+        - flutter channel $CHANNEL
+        - ./script/build_all_plugins_app.sh ios --no-codesign
     - name: build-ipas+drive-examples
       env:
         PATH: $PATH:/usr/local/bin
@@ -193,13 +215,13 @@ task:
         - flutter channel $CHANNEL
         - ./script/incremental_build.sh build-examples --ipa
         - ./script/incremental_build.sh drive-examples
-        - ./script/incremental_build.sh xctest --target RunnerUITests --skip $PLUGINS_TO_SKIP_XCTESTS
+        - ./script/incremental_build.sh xctest --target RunnerUITests --skip $PLUGINS_TO_SKIP_XCTESTS --ios-destination "platform=iOS Simulator,name=iPhone 11,OS=14.3"
 task:
   # don't run on release tags since it creates O(n^2) tasks where n is the number of plugins
   only_if: $CIRRUS_TAG == ''
   use_compute_credits: $CIRRUS_USER_COLLABORATOR == 'true'
   osx_instance:
-    image: catalina-xcode-11.3.1-flutter
+    image: big-sur-xcode-12.3
   setup_script:
     - flutter config --enable-macos-desktop
   upgrade_script:

packages/image_picker/image_picker/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.6.7+22
+
+* iOS: update XCUITests to separate each test session.
+
 ## 0.6.7+21
 
 * Update the example app: remove the deprecated `RaisedButton` and `FlatButton` widgets.

packages/image_picker/image_picker/example/ios/RunnerUITests/ImagePickerFromGalleryUITests.m

@@ -16,6 +16,7 @@ @interface ImagePickerFromGalleryUITests : XCTestCase
 @implementation ImagePickerFromGalleryUITests
 
 - (void)setUp {
+  [super setUp];
   // Delete the app if already exists, to test permission popups
 
   self.continueAfterFailure = NO;
@@ -31,7 +32,7 @@ - (void)setUp {
                                             if (![allPhotoPermission waitForExistenceWithTimeout:
                                                                          kElementWaitingTime]) {
                                               os_log_error(OS_LOG_DEFAULT, "%@",
-                                                           self.app.debugDescription);
+                                                           weakSelf.app.debugDescription);
                                               XCTFail(@"Failed due to not able to find "
                                                       @"allPhotoPermission button with %@ seconds",
                                                       @(kElementWaitingTime));
@@ -42,7 +43,7 @@ - (void)setUp {
                                             if (![ok waitForExistenceWithTimeout:
                                                          kElementWaitingTime]) {
                                               os_log_error(OS_LOG_DEFAULT, "%@",
-                                                           self.app.debugDescription);
+                                                           weakSelf.app.debugDescription);
                                               XCTFail(@"Failed due to not able to find ok button "
                                                       @"with %@ seconds",
                                                       @(kElementWaitingTime));
@@ -53,11 +54,19 @@ - (void)setUp {
                                         }];
 }
 
+- (void)tearDown {
+  [super tearDown];
+  [self.app terminate];
+}
+
 - (void)testPickingFromGallery {
-  [self launchPickerAndCancel];
   [self launchPickerAndPick];
 }
 
+- (void)testCancel {
+  [self launchPickerAndCancel];
+}
+
 - (void)launchPickerAndCancel {
   // Find and tap on the pick from gallery button.
   NSPredicate* predicateToFindImageFromGalleryButton =
@@ -160,6 +169,10 @@ - (void)launchPickerAndPick {
   XCTAssertTrue(pickButton.exists);
   [pickButton tap];
 
+  // There is a known bug where the permission popups interruption won't get fired until a tap
+  // happened in the app. We expect a permission popup so we do a tap here.
+  [self.app tap];
+
   // Find an image and tap on it. (IOS 14 UI, images are showing directly)
   XCUIElement* aImage;
   if (@available(iOS 14, *)) {
@@ -177,6 +190,7 @@ - (void)launchPickerAndPick {
                                                 identifier:@"PhotosGridView"]
                  .cells.firstMatch;
   }
+  os_log_error(OS_LOG_DEFAULT, "description before picking image %@", self.app.debugDescription);
   if (![aImage waitForExistenceWithTimeout:kElementWaitingTime]) {
     os_log_error(OS_LOG_DEFAULT, "%@", self.app.debugDescription);
     XCTFail(@"Failed due to not able to find an image with %@ seconds", @(kElementWaitingTime));

packages/image_picker/image_picker/pubspec.yaml

@@ -2,7 +2,7 @@ name: image_picker
 description: Flutter plugin for selecting images from the Android and iOS image
   library, and taking new pictures with the camera.
 homepage: https://github.com/flutter/plugins/tree/master/packages/image_picker/image_picker
-version: 0.6.7+21
+version: 0.6.7+22
 
 flutter:
   plugin: