[ package:vm_service ] Deduplicate expression evaluation testing helper

Change-Id: I371ef13859bf73a44e89ffbf0f5f8c042a112e0b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/405362
Reviewed-by: Derek Xu <[email protected]>
Commit-Queue: Jens Johansen <[email protected]>
Reviewed-by: Ben Konyi <[email protected]>

Author: jensjoha

pkg/vm_service/test/common/service_test_common.dart

@@ -889,3 +889,41 @@ IsolateTest expectUnhandledExceptionWithFrames({
     }
   };
 }
+
+/// This helper does 3 things:
+/// 1) makes sure it's at the expected frame ([topFrameName]).
+/// 2) checks that the expected variables are available (by name)
+///    ([availableVariables]).
+/// 3) Evaluates the given expression(s) and checks their (valueAsString) result
+///    ([evaluations]).
+IsolateTest testExpressionEvaluationAndAvailableVariables(
+  String topFrameName,
+  List<String> availableVariables,
+  List<(String evaluate, String evaluationResult)> evaluations,
+) {
+  return (VmService service, IsolateRef isolateRef) async {
+    final isolateId = isolateRef.id!;
+    final stack = await service.getStack(isolateId);
+
+    // Make sure we are in the right place.
+    expect(stack.frames!.length, greaterThanOrEqualTo(1));
+    expect(stack.frames![0].function!.name, topFrameName);
+
+    // Check variables.
+    expect(
+      (stack.frames![0].vars ?? []).map((v) => v.name).toList(),
+      equals(availableVariables),
+    );
+
+    // Evaluate.
+    for (final (expression, expectedResult) in evaluations) {
+      final result = await service.evaluateInFrame(
+        isolateId,
+        /* frame = */ 0,
+        expression,
+      ) as InstanceRef;
+      print(result.valueAsString);
+      expect(result.valueAsString, equals(expectedResult));
+    }
+  };
+}

pkg/vm_service/test/issue_56911_test.dart

@@ -3,8 +3,6 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:developer';
-import 'package:test/test.dart';
-import 'package:vm_service/vm_service.dart';
 import 'common/service_test_common.dart';
 import 'common/test_helper.dart';
 
@@ -14,8 +12,8 @@ import 'common/test_helper.dart';
 //
 // dart pkg/vm_service/test/update_line_numbers.dart pkg/vm_service/test/issue_56911_test.dart
 //
-const LINE_A = 28;
-const LINE_B = 32;
+const LINE_A = 26;
+const LINE_B = 30;
 // AUTOGENERATED END
 
 extension type ExtensionType._(String s) {
@@ -34,42 +32,10 @@ void code() {
   });
 }
 
-Future<void> Function(VmService, IsolateRef) test(
-  String topFrameName,
-  List<String> availableVariables,
-  List<(String evaluate, String evaluationResult)> evaluations,
-) {
-  return (VmService service, IsolateRef isolateRef) async {
-    final isolateId = isolateRef.id!;
-    final stack = await service.getStack(isolateId);
-
-    // Make sure we are in the right place.
-    expect(stack.frames!.length, greaterThanOrEqualTo(1));
-    expect(stack.frames![0].function!.name, topFrameName);
-
-    // Check variables.
-    expect(
-      (stack.frames![0].vars ?? []).map((v) => v.name).toList(),
-      equals(availableVariables),
-    );
-
-    // Evaluate.
-    for (final (expression, expectedResult) in evaluations) {
-      final result = await service.evaluateInFrame(
-        isolateId,
-        /* frame = */ 0,
-        expression,
-      ) as InstanceRef;
-      print(result.valueAsString);
-      expect(result.valueAsString, equals(expectedResult));
-    }
-  };
-}
-
 final tests = <IsolateTest>[
   hasStoppedAtBreakpoint,
   stoppedAtLine(LINE_A),
-  test('code', [
+  testExpressionEvaluationAndAvailableVariables('code', [
     'list',
   ], [
     ('() { return list.single.value; }()', '48'),
@@ -78,7 +44,7 @@ final tests = <IsolateTest>[
   resumeIsolate,
   hasStoppedAtBreakpoint,
   stoppedAtLine(LINE_B),
-  test('<anonymous closure>', [
+  testExpressionEvaluationAndAvailableVariables('<anonymous closure>', [
     'input',
   ], [
     ('() { return input.value; }()', '48'),

pkg/vm_service/test/issue_57040_test.dart

@@ -3,8 +3,6 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:developer';
-import 'package:test/test.dart';
-import 'package:vm_service/vm_service.dart';
 import 'common/service_test_common.dart';
 import 'common/test_helper.dart';
 
@@ -14,8 +12,8 @@ import 'common/test_helper.dart';
 //
 // dart pkg/vm_service/test/update_line_numbers.dart pkg/vm_service/test/issue_57040_test.dart
 //
-const LINE_A = 30;
-const LINE_B = 33;
+const LINE_A = 28;
+const LINE_B = 31;
 // AUTOGENERATED END
 
 extension on String? {
@@ -34,42 +32,10 @@ void code() {
   print(str.isNullOrEmpty);
 }
 
-Future<void> Function(VmService, IsolateRef) test(
-  String topFrameName,
-  List<String> availableVariables,
-  List<(String evaluate, String evaluationResult)> evaluations,
-) {
-  return (VmService service, IsolateRef isolateRef) async {
-    final isolateId = isolateRef.id!;
-    final stack = await service.getStack(isolateId);
-
-    // Make sure we are in the right place.
-    expect(stack.frames!.length, greaterThanOrEqualTo(1));
-    expect(stack.frames![0].function!.name, topFrameName);
-
-    // Check variables.
-    expect(
-      (stack.frames![0].vars ?? []).map((v) => v.name).toList(),
-      equals(availableVariables),
-    );
-
-    // Evaluate.
-    for (final (expression, expectedResult) in evaluations) {
-      final result = await service.evaluateInFrame(
-        isolateId,
-        /* frame = */ 0,
-        expression,
-      ) as InstanceRef;
-      print(result.valueAsString);
-      expect(result.valueAsString, equals(expectedResult));
-    }
-  };
-}
-
 final tests = <IsolateTest>[
   hasStoppedAtBreakpoint,
   stoppedAtLine(LINE_A),
-  test('code', [
+  testExpressionEvaluationAndAvailableVariables('code', [
     'str',
   ], [
     ('() { return str.isNullOrEmpty; }()', 'false'),
@@ -78,7 +44,7 @@ final tests = <IsolateTest>[
   resumeIsolate,
   hasStoppedAtBreakpoint,
   stoppedAtLine(LINE_B),
-  test('code', [
+  testExpressionEvaluationAndAvailableVariables('code', [
     'str',
   ], [
     ('() { return str.isNullOrEmpty; }()', 'true'),

pkg/vm_service/test/issue_59661_test.dart

@@ -3,8 +3,6 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:developer';
-import 'package:test/test.dart';
-import 'package:vm_service/vm_service.dart';
 import 'common/service_test_common.dart';
 import 'common/test_helper.dart';
 
@@ -14,12 +12,12 @@ import 'common/test_helper.dart';
 //
 // dart pkg/vm_service/test/update_line_numbers.dart pkg/vm_service/test/issue_59661_test.dart
 //
-const LINE_CLASS_A = 29;
-const LINE_CLASS_A_NAMED = 34;
-const LINE_CLASS_A_NAMED2_BREAK_1 = 40;
-const LINE_CLASS_A_NAMED2_BREAK_2 = 43;
-const LINE_CLASS_A_NAMED2_BREAK_3 = 46;
-const LINE_CLASS_B = 55;
+const LINE_CLASS_A = 27;
+const LINE_CLASS_A_NAMED = 32;
+const LINE_CLASS_A_NAMED2_BREAK_1 = 38;
+const LINE_CLASS_A_NAMED2_BREAK_2 = 41;
+const LINE_CLASS_A_NAMED2_BREAK_3 = 44;
+const LINE_CLASS_B = 53;
 // AUTOGENERATED END
 
 class A {
@@ -64,50 +62,26 @@ void code() {
   B([1, 2]);
 }
 
-Future<void> Function(VmService, IsolateRef) test(
-  String topFrameName,
-  List<String> availableVariables,
-  List<(String evaluate, String evaluationResult)> evaluations,
-) {
-  return (VmService service, IsolateRef isolateRef) async {
-    final isolateId = isolateRef.id!;
-    final stack = await service.getStack(isolateId);
-
-    // Make sure we are in the right place.
-    expect(stack.frames!.length, greaterThanOrEqualTo(1));
-    expect(stack.frames![0].function!.name, topFrameName);
-
-    // Check variables.
-    expect(
-      (stack.frames![0].vars ?? []).map((v) => v.name).toList(),
-      equals(availableVariables),
-    );
-
-    // Evaluate.
-    for (final (expression, expectedResult) in evaluations) {
-      final dynamic result = await service.evaluateInFrame(
-        isolateId,
-        /* frame = */ 0,
-        expression,
-      );
-      print(result.valueAsString);
-      expect(result.valueAsString, equals(expectedResult));
-    }
-  };
-}
-
 final tests = <IsolateTest>[
   hasStoppedAtBreakpoint,
   stoppedAtLine(LINE_CLASS_A),
-  test('A', ['this'], [('list.toString()', '[3]')]),
+  testExpressionEvaluationAndAvailableVariables(
+    'A',
+    ['this'],
+    [('list.toString()', '[3]')],
+  ),
   resumeIsolate,
   hasStoppedAtBreakpoint,
   stoppedAtLine(LINE_CLASS_A_NAMED),
-  test('A.named', ['this'], [('list.toString()', '[4]')]),
+  testExpressionEvaluationAndAvailableVariables(
+    'A.named',
+    ['this'],
+    [('list.toString()', '[4]')],
+  ),
   resumeIsolate,
   hasStoppedAtBreakpoint,
   stoppedAtLine(LINE_CLASS_A_NAMED2_BREAK_1),
-  test(
+  testExpressionEvaluationAndAvailableVariables(
     'A.named2',
     ['this', 'list'],
     [
@@ -118,15 +92,27 @@ final tests = <IsolateTest>[
   resumeIsolate,
   hasStoppedAtBreakpoint,
   stoppedAtLine(LINE_CLASS_A_NAMED2_BREAK_2),
-  test('A.named2', ['this'], [('list.toString()', '[1, 2]')]),
+  testExpressionEvaluationAndAvailableVariables(
+    'A.named2',
+    ['this'],
+    [('list.toString()', '[1, 2]')],
+  ),
   resumeIsolate,
   hasStoppedAtBreakpoint,
   stoppedAtLine(LINE_CLASS_A_NAMED2_BREAK_3),
-  test('A.named2', ['this'], [('list.toString()', '[6]')]),
+  testExpressionEvaluationAndAvailableVariables(
+    'A.named2',
+    ['this'],
+    [('list.toString()', '[6]')],
+  ),
   resumeIsolate,
   hasStoppedAtBreakpoint,
   stoppedAtLine(LINE_CLASS_B),
-  test('B', ['this'], [('list.toString()', '[7]')]),
+  testExpressionEvaluationAndAvailableVariables(
+    'B',
+    ['this'],
+    [('list.toString()', '[7]')],
+  ),
 ];
 
 void main([args = const <String>[]]) => runIsolateTests(