Merge pull request #2265 from leancodepl/fix-checking-java-version

Fix checking java version

Author: pdenert

packages/patrol_cli/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 3.0.1
+
+- Fallback to read `java` version from `JAVA_HOME` when `flutter doctor` doesn't print any.
+
 ## 3.0.0
 
 - **Breaking:** Use `java` version from `flutter doctor`

packages/patrol_cli/lib/src/android/android_test_backend.dart

@@ -38,7 +38,7 @@ class AndroidTestBackend {
   final FileSystem _fs;
   final DisposeScope _disposeScope;
   final Logger _logger;
-  late final String javaPath;
+  late final String? javaPath;
 
   Future<void> build(AndroidAppOptions options) async {
     await loadJavaPathFromFlutterDoctor(options.flutter.command.executable);
@@ -56,9 +56,11 @@ class AndroidTestBackend {
         options.toGradleAssembleInvocation(isWindows: _platform.isWindows),
         runInShell: true,
         workingDirectory: _fs.currentDirectory.childDirectory('android').path,
-        environment: {
-          'JAVA_HOME': javaPath,
-        },
+        environment: javaPath != null
+            ? {
+                'JAVA_HOME': javaPath!,
+              }
+            : {},
       )
         ..disposedBy(scope);
       process.listenStdOut((l) => _logger.detail('\t: $l')).disposedBy(scope);
@@ -80,9 +82,11 @@ class AndroidTestBackend {
         options.toGradleAssembleTestInvocation(isWindows: _platform.isWindows),
         runInShell: true,
         workingDirectory: _fs.currentDirectory.childDirectory('android').path,
-        environment: {
-          'JAVA_HOME': javaPath,
-        },
+        environment: javaPath != null
+            ? {
+                'JAVA_HOME': javaPath!,
+              }
+            : {},
       )
         ..disposedBy(scope);
       process.listenStdOut((l) => _logger.detail('\t: $l')).disposedBy(scope);
@@ -102,6 +106,9 @@ class AndroidTestBackend {
     });
   }
 
+  /// Load the Java path from the output of `flutter doctor`.
+  /// If this will be null, then the Java path will not be set and patrol
+  /// tries to use the Java path from the PATH environment variable.
   Future<void> loadJavaPathFromFlutterDoctor(String commandExecutable) async {
     final javaCompleterPath = Completer<String?>();
 
@@ -130,10 +137,16 @@ class AndroidTestBackend {
             javaCompleterPath.complete(path);
           }
         },
+        onDone: () {
+          if (!javaCompleterPath.isCompleted) {
+            javaCompleterPath.complete(null);
+          }
+        },
+        onError: (error) => javaCompleterPath.complete(null),
       ).disposedBy(scope);
     });
 
-    javaPath = await javaCompleterPath.future ?? '';
+    javaPath = await javaCompleterPath.future;
   }
 
   /// Executes the tests of the given [options] on the given [device].
@@ -156,7 +169,11 @@ class AndroidTestBackend {
         runInShell: true,
         environment: {
           'ANDROID_SERIAL': device.id,
-          'JAVA_HOME': javaPath,
+          ...javaPath != null
+              ? {
+                  'JAVA_HOME': javaPath!,
+                }
+              : {},
         },
         workingDirectory: _fs.currentDirectory.childDirectory('android').path,
       )

packages/patrol_cli/lib/src/base/constants.dart

@@ -1,3 +1,3 @@
 /// Version of Patrol CLI. Must be kept in sync with pubspec.yaml.
 /// If you update this, make sure that compatibility-table.mdx is updated (if needed)
-const version = '3.0.0';
+const version = '3.0.1';

packages/patrol_cli/lib/src/compatibility_checker.dart

@@ -103,21 +103,43 @@ Future<void> _checkJavaVersion(
   final javaCompleterVersion = Completer<Version?>();
 
   await disposeScope.run((scope) async {
-    final process = await processManager.start(
+    final processFlutter = await processManager.start(
       [flutterExecutable, 'doctor', '--verbose'],
       workingDirectory: projectRoot.path,
       runInShell: true,
     )
       ..disposedBy(scope);
 
-    process.listenStdOut(
+    processFlutter.listenStdOut(
       (line) async {
         if (line.contains('• Java version') &&
             javaCompleterVersion.isCompleted == false) {
           final versionString = line.split(' ').last.replaceAll(')', '');
           javaCompleterVersion.complete(Version.parse(versionString));
         }
       },
+      onDone: () async {
+        if (!javaCompleterVersion.isCompleted) {
+          final processJava = await processManager.start(
+            ['javac', '--version'],
+            workingDirectory: projectRoot.path,
+            runInShell: true,
+          )
+            ..disposedBy(scope);
+
+          processJava.listenStdOut(
+            (line) async {
+              if (line.startsWith('javac')) {
+                javaCompleterVersion
+                    .complete(Version.parse(line.split(' ').last));
+              }
+            },
+            onDone: () => javaCompleterVersion.complete(null),
+            onError: (error) => javaCompleterVersion.complete(null),
+          ).disposedBy(scope);
+        }
+      },
+      onError: (error) => javaCompleterVersion.complete(null),
     ).disposedBy(scope);
   });
 

packages/patrol_cli/pubspec.yaml

@@ -1,7 +1,7 @@
 name: patrol_cli
 description: >
   Command-line tool for Patrol, a powerful Flutter-native UI testing framework.
-version: 3.0.0  # Must be kept in sync with constants.dart
+version: 3.0.1  # Must be kept in sync with constants.dart
 homepage: https://patrol.leancode.co
 repository: https://github.com/leancodepl/patrol/tree/master/packages/patrol_cli
 issue_tracker: https://github.com/leancodepl/patrol/issues?q=is%3Aopen+is%3Aissue+label%3A%22package%3A+patrol_cli%22