整个课程和数据UI重新设计版本

2026-09-18 17:55:44 +09:00
parent febfd30f49
commit 0a4f97d105
154 changed files with 12366 additions and 4784 deletions
@@ -0,0 +1,107 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:kouyu_english/core/app_state.dart';
+import 'package:kouyu_english/core/models.dart';
+import 'package:kouyu_english/core/courses/courses.dart';
+import 'package:kouyu_english/core/courses/course_pack.dart';
+import 'package:kouyu_english/core/courses/course_repository.dart';
+import 'package:kouyu_english/features/lesson/lesson_flow.dart';
+
+/// Widget smoke test for the JSON units' 听读材料 (listening/reading
+/// comprehension) step: it must be reached only on the last segment of a unit
+/// that has materials, render from the real loaded content, and let the learner
+/// continue to writing once every question is answered.
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  setUpAll(() async {
+    await CourseRepository.instance.load();
+  });
+
+  tearDownAll(() => CourseRepository.instance.resetForTest());
+
+  /// The first loaded unit whose materials contain at least one question.
+  CoursePack unitWithQuestions() => CourseRepository.instance.units.firstWhere(
+    (u) => u.materials.any((m) => m.questions.isNotEmpty),
+  );
+
+  AppState stateOn(String unitId, int segmentIndex) {
+    final state = AppState();
+    state.activeLessonId = unitId;
+    state.activeSegmentIndexes[unitId] = segmentIndex;
+    return state;
+  }
+
+  testWidgets(
+    'material step is reached only on the last segment with materials',
+    (tester) async {
+      final unit = unitWithQuestions();
+      final lesson = lessonById(unit.id);
+      expect(
+        lesson.segments.length,
+        greaterThan(1),
+        reason: 'need a multi-segment unit to prove the gate',
+      );
+
+      // Finishing reading on an earlier segment skips straight to writing.
+      final early = stateOn(unit.id, 0);
+      early.lessonStep = LessonStep.reading;
+      early.completeReading();
+      expect(early.lessonStep, LessonStep.writing);
+
+      // Finishing reading on the final segment opens the comprehension step.
+      final last = stateOn(unit.id, lesson.segments.length - 1);
+      last.lessonStep = LessonStep.reading;
+      last.completeReading();
+      expect(last.lessonStep, LessonStep.material);
+    },
+  );
+
+  testWidgets(
+    'renders the unit materials and continues once every question is answered',
+    (tester) async {
+      final unit = unitWithQuestions();
+      final lesson = lessonById(unit.id);
+      final state = stateOn(unit.id, lesson.segments.length - 1);
+      state.lessonStep = LessonStep.material;
+
+      await tester.pumpWidget(
+        MaterialApp(
+          home: LessonFlow(
+            state: state,
+            onOpenDialogue: () {},
+            onFinish: () {},
+          ),
+        ),
+      );
+      await tester.pumpAndSettle();
+
+      // The step rendered from the real loaded content.
+      expect(find.text('读一段真实的小材料，做完理解题。'), findsOneWidget);
+      // Continue is gated until every question is answered.
+      expect(find.text('答对所有理解题后继续'), findsOneWidget);
+      expect(find.text('继续写一写'), findsNothing);
+
+      // Answer every question by tapping its correct option (answer == the
+      // parsed contract's first option; the widget shuffles their display order).
+      for (final material in unit.materials) {
+        for (final question in material.questions) {
+          final option = find.text(question.answer).first;
+          await tester.ensureVisible(option);
+          await tester.pumpAndSettle();
+          await tester.tap(option);
+          await tester.pumpAndSettle();
+        }
+      }
+
+      // Now the button is enabled and advances the lesson to writing.
+      final go = find.text('继续写一写');
+      expect(go, findsOneWidget);
+      await tester.ensureVisible(go);
+      await tester.tap(go);
+      await tester.pumpAndSettle();
+
+      expect(state.lessonStep, LessonStep.writing);
+    },
+  );
+}