Enable code coverage for all platforms (#247)

* Enable iOS unit tests

* Add ios test target for circleci

* Remove flutter branch for ios unit tests and use latest

* Upgrade xCode version for running circleci unit tests

* Add flutter pub get and pod install before running ios testS

* switch to branch 1.22.0 of flutter

* Add flutter precache command

* Try with latest flutter

* Enable iOS code coverage

* Add codecov.yml to push comments

* Generate coverage for flutter

* Make coverage collection it's own step

* Fix config error

* Make project code coverage at 70 and diff coverage at 80%

* Add android test coverage

* Add coverage config to all plugins

* Change xml report names for android coverage to get properly uploaded by codecov

* Remove generated companion kotlin classes from exclusion for codecov

* Change project coverage to 65% for now

* Change android to Android in comment

.circleci/config.yml

@@ -66,6 +66,9 @@ jobs:
       - run:
           name: Run Flutter Unit Tests
           command: melos run test:unit:flutter
+      - run:
+          name: Upload flutter test coverage
+          command: melos run upload:coverage:flutter
       - run:
           name: Save test results
           command: |
@@ -90,6 +93,9 @@ jobs:
       - run:
           name: Run iOS Unit Tests
           command: melos run test:unit:ios
+      - run:
+          name: Upload ios test coverage
+          command: melos run upload:coverage:ios
       - run:
           name: Save test results
           command: |
@@ -114,6 +120,9 @@ jobs:
       - run:
           name: Run Android Unit Tests
           command: melos run test:unit:android
+      - run:
+          name: Upload android test coverage
+          command: melos run upload:coverage:android
       - run:
           name: Save test results
           command: |

.circleci/test_all_plugins.sh

@@ -17,7 +17,7 @@ for plugin_dir in */; do
             echo "=== Running Flutter unit tests for $plugin ==="
             if [ -d "test" ]; then
                 mkdir -p test-results
-                if flutter test --machine | tojunit --output "test-results/$plugin-flutter-test.xml"; then
+                if flutter test --machine --coverage | tojunit --output "test-results/$plugin-flutter-test.xml"; then
                     echo "PASSED: Flutter unit tests for $plugin passed."
                     passed_plugins+=("$plugin")
                 else
@@ -51,7 +51,13 @@ for plugin_dir in */; do
 
                 if ./gradlew :"$plugin":testDebugUnitTest; then
                     echo "PASSED: Android unit tests for $plugin passed."
-                    passed_plugins+=("$plugin")
+                    if ./gradlew :"$plugin":testDebugUnitTestCoverage; then
+                        echo "PASSED: Generating android unit tests coverage for $plugin passed."
+                        passed_plugins+=("$plugin")
+                    else
+                        echo "FAILED: Generating android unit tests coverage for $plugin failed."
+                        failed_plugins+=("$plugin")
+                    fi
                 else
                     echo "FAILED: Android unit tests for $plugin failed."
                     failed_plugins+=("$plugin")

.codecov.yml

@@ -0,0 +1,21 @@
+codecov:
+  notify:
+    after_n_builds: 1
+
+coverage:
+  status:
+    project:
+      default:
+        target: 65%
+        if_not_found: success
+    patch:
+      default:
+        target: 80%
+        if_not_found: success
+
+comment:
+  layout: "diff, flags, files"
+  behavior: default
+  require_changes: false  # if true: only post the comment if coverage changes
+  require_base: no        # [yes :: must have a base report to post]
+  require_head: yes       # [yes :: must have a head report to post]