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PAINTROID-748: Write Integration tests for BrushTool #101

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PAINTROID-748: Write Integration tests for BrushTool #101

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182 changes: 182 additions & 0 deletions test/integration/brush_tool_test.dart
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Original file line number Diff line number Diff line change
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import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:integration_test/integration_test.dart';
import 'package:paintroid/app.dart';
import 'package:paintroid/core/tools/tool_data.dart';

import '../utils/canvas_positions.dart';
import '../utils/ui_interaction.dart';

void main() {
IntegrationTestWidgetsFlutterBinding.ensureInitialized();

const String testIDStr = String.fromEnvironment('id', defaultValue: '-1');
final testID = int.tryParse(testIDStr) ?? testIDStr;

late Widget sut;

setUp(() async {
sut = ProviderScope(
child: App(
showOnboardingPage: false,
),
);
});

if (testID == -1 || testID == 0) {
testWidgets('[BRUSH_TOOL]: drawing a point', (WidgetTester tester) async {
UIInteraction.initialize(tester);
await tester.pumpWidget(sut);
await UIInteraction.createNewImage();
UIInteraction.setColor(Colors.black);
await UIInteraction.selectTool(ToolData.BRUSH.name);

var color = await UIInteraction.getPixelColor(
CanvasPosition.centerX,
CanvasPosition.centerY,
);
expect(color, Colors.transparent);

await UIInteraction.tapAt(CanvasPosition.center);

color = await UIInteraction.getPixelColor(
CanvasPosition.centerX,
CanvasPosition.centerY,
);
expect(color, Colors.black);
});
}

if (testID == -1 || testID == 1) {
testWidgets('[BRUSH_TOOL]: drawing a line with drag',
(WidgetTester tester) async {
UIInteraction.initialize(tester);
await tester.pumpWidget(sut);
await UIInteraction.createNewImage();
UIInteraction.setColor(Colors.black);
await UIInteraction.selectTool(ToolData.BRUSH.name);

await UIInteraction.dragFromTo(
CanvasPosition.topLeft,
CanvasPosition.bottomRight,
);

var color = await UIInteraction.getPixelColor(
CanvasPosition.centerX,
CanvasPosition.centerY,
);
expect(color, Colors.black);
});
}

if (testID == -1 || testID == 2) {
testWidgets('[BRUSH_TOOL]: undo and redo drawing',
(WidgetTester tester) async {
UIInteraction.initialize(tester);
await tester.pumpWidget(sut);
await UIInteraction.createNewImage();
UIInteraction.setColor(Colors.black);
await UIInteraction.selectTool(ToolData.BRUSH.name);

await UIInteraction.tapAt(CanvasPosition.center);

var color = await UIInteraction.getPixelColor(
CanvasPosition.centerX,
CanvasPosition.centerY,
);
expect(color, Colors.black);

await UIInteraction.clickUndo();

color = await UIInteraction.getPixelColor(
CanvasPosition.centerX,
CanvasPosition.centerY,
);
expect(color, Colors.transparent);

await UIInteraction.clickRedo();

color = await UIInteraction.getPixelColor(
CanvasPosition.centerX,
CanvasPosition.centerY,
);
expect(color, Colors.black);
});
}

if (testID == -1 || testID == 3) {
testWidgets('[BRUSH_TOOL]: drawing multiple points',
(WidgetTester tester) async {
UIInteraction.initialize(tester);
await tester.pumpWidget(sut);
await UIInteraction.createNewImage();
UIInteraction.setColor(Colors.black);
await UIInteraction.selectTool(ToolData.BRUSH.name);

await UIInteraction.tapAt(CanvasPosition.topLeft);
await UIInteraction.tapAt(CanvasPosition.topRight);
await UIInteraction.tapAt(CanvasPosition.bottomLeft);
await UIInteraction.tapAt(CanvasPosition.bottomRight);

var color = await UIInteraction.getPixelColor(
CanvasPosition.left,
CanvasPosition.top,
);
expect(color, Colors.black);

color = await UIInteraction.getPixelColor(
CanvasPosition.right,
CanvasPosition.top,
);
expect(color, Colors.black);

color = await UIInteraction.getPixelColor(
CanvasPosition.left,
CanvasPosition.bottom,
);
expect(color, Colors.black);

color = await UIInteraction.getPixelColor(
CanvasPosition.right,
CanvasPosition.bottom,
);
expect(color, Colors.black);
});
}

if (testID == -1 || testID == 4) {
testWidgets('[BRUSH_TOOL]: drawing a line over another line',
(WidgetTester tester) async {
UIInteraction.initialize(tester);
await tester.pumpWidget(sut);
await UIInteraction.createNewImage();
UIInteraction.setColor(Colors.black);
await UIInteraction.selectTool(ToolData.BRUSH.name);

await UIInteraction.dragFromTo(
CanvasPosition.topLeft,
CanvasPosition.bottomRight,
);

var color = await UIInteraction.getPixelColor(
CanvasPosition.centerX,
CanvasPosition.centerY,
);
expect(color, Colors.black);

UIInteraction.setColor(Colors.red);

await UIInteraction.dragFromTo(
CanvasPosition.topRight,
CanvasPosition.bottomLeft,
);

color = await UIInteraction.getPixelColor(
CanvasPosition.centerX,
CanvasPosition.centerY,
);
expect(color.value, Colors.red.value);
});
}
}