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[flutter_plugin_tools] Remove global state from tests (#4018)

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Eliminates the global test filesystem and global test packages directory, in favor of local versions. This guarantees that each test runs with a clean filesystem state, rather than relying on cleanup. It also simplifies understanding the tests, since everything is done via params and return values instead of needing to know about the magic global variables and which methods mutate them.
This commit is contained in:
stuartmorgan
2021-06-07 10:04:43 -07:00
committed by GitHub
parent bb0a1ea161
commit 74d03857f8
16 changed files with 456 additions and 537 deletions
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33
script/tool/test/firebase_test_lab_test.dart
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@ -7,6 +7,8 @@
import 'dart:io';
import 'package:args/command_runner.dart';
import 'package:file/file.dart';
import 'package:file/memory.dart';
import 'package:flutter_plugin_tools/src/common.dart';
import 'package:flutter_plugin_tools/src/firebase_test_lab_command.dart';
import 'package:test/test.dart';
@ -16,15 +18,18 @@ import 'util.dart';
void main() {
group('$FirebaseTestLabCommand', () {
final List<String> printedMessages = <String>[];
FileSystem fileSystem;
Directory packagesDir;
List<String> printedMessages;
CommandRunner<void> runner;
RecordingProcessRunner processRunner;
setUp(() {
initializeFakePackages();
fileSystem = MemoryFileSystem();
packagesDir = createPackagesDirectory(fileSystem: fileSystem);
printedMessages = <String>[];
processRunner = RecordingProcessRunner();
final FirebaseTestLabCommand command = FirebaseTestLabCommand(
mockPackagesDir,
final FirebaseTestLabCommand command = FirebaseTestLabCommand(packagesDir,
processRunner: processRunner,
print: (Object message) => printedMessages.add(message.toString()));
@ -33,15 +38,11 @@ void main() {
runner.addCommand(command);
});
tearDown(() {
printedMessages.clear();
});
test('retries gcloud set', () async {
final MockProcess mockProcess = MockProcess();
mockProcess.exitCodeCompleter.complete(1);
processRunner.processToReturn = mockProcess;
createFakePlugin('plugin', withExtraFiles: <List<String>>[
createFakePlugin('plugin', packagesDir, withExtraFiles: <List<String>>[
<String>['lib/test/should_not_run_e2e.dart'],
<String>['example', 'test_driver', 'plugin_e2e.dart'],
<String>['example', 'test_driver', 'plugin_e2e_test.dart'],
@ -66,7 +67,7 @@ void main() {
});
test('runs e2e tests', () async {
createFakePlugin('plugin', withExtraFiles: <List<String>>[
createFakePlugin('plugin', packagesDir, withExtraFiles: <List<String>>[
<String>['test', 'plugin_test.dart'],
<String>['test', 'plugin_e2e.dart'],
<String>['should_not_run_e2e.dart'],
@ -134,7 +135,7 @@ void main() {
'/packages/plugin/example'),
ProcessCall(
'/packages/plugin/example/android/gradlew',
'app:assembleDebug -Pverbose=true -Ptarget=/packages/plugin/example/test_driver/plugin_e2e.dart'
'app:assembleDebug -Pverbose=true -Ptarget=/packages/plugin/example/test/plugin_e2e.dart'
.split(' '),
'/packages/plugin/example/android'),
ProcessCall(
@ -144,7 +145,7 @@ void main() {
'/packages/plugin/example'),
ProcessCall(
'/packages/plugin/example/android/gradlew',
'app:assembleDebug -Pverbose=true -Ptarget=/packages/plugin/example/test/plugin_e2e.dart'
'app:assembleDebug -Pverbose=true -Ptarget=/packages/plugin/example/test_driver/plugin_e2e.dart'
.split(' '),
'/packages/plugin/example/android'),
ProcessCall(
@ -167,7 +168,7 @@ void main() {
});
test('experimental flag', () async {
createFakePlugin('plugin', withExtraFiles: <List<String>>[
createFakePlugin('plugin', packagesDir, withExtraFiles: <List<String>>[
<String>['test', 'plugin_test.dart'],
<String>['test', 'plugin_e2e.dart'],
<String>['should_not_run_e2e.dart'],
@ -225,7 +226,7 @@ void main() {
'/packages/plugin/example'),
ProcessCall(
'/packages/plugin/example/android/gradlew',
'app:assembleDebug -Pverbose=true -Ptarget=/packages/plugin/example/test_driver/plugin_e2e.dart -Pextra-front-end-options=--enable-experiment%3Dexp1 -Pextra-gen-snapshot-options=--enable-experiment%3Dexp1'
'app:assembleDebug -Pverbose=true -Ptarget=/packages/plugin/example/test/plugin_e2e.dart -Pextra-front-end-options=--enable-experiment%3Dexp1 -Pextra-gen-snapshot-options=--enable-experiment%3Dexp1'
.split(' '),
'/packages/plugin/example/android'),
ProcessCall(
@ -235,7 +236,7 @@ void main() {
'/packages/plugin/example'),
ProcessCall(
'/packages/plugin/example/android/gradlew',
'app:assembleDebug -Pverbose=true -Ptarget=/packages/plugin/example/test/plugin_e2e.dart -Pextra-front-end-options=--enable-experiment%3Dexp1 -Pextra-gen-snapshot-options=--enable-experiment%3Dexp1'
'app:assembleDebug -Pverbose=true -Ptarget=/packages/plugin/example/test_driver/plugin_e2e.dart -Pextra-front-end-options=--enable-experiment%3Dexp1 -Pextra-gen-snapshot-options=--enable-experiment%3Dexp1'
.split(' '),
'/packages/plugin/example/android'),
ProcessCall(
@ -255,8 +256,6 @@ void main() {
'/packages/plugin/example'),
]),
);
cleanupPackages();
});
});
}