453 lines
18 KiB
TypeScript
453 lines
18 KiB
TypeScript
import { type Box, Line, Point, Vector } from '@flatten-js/core'; // Added Box, Segment for completeness
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import { round } from 'es-toolkit'; // 1. Mocking for ../state.ts
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import { beforeEach, describe, expect, it, type Mock, vi } from 'vitest';
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import {
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EPSILON,
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MEASUREMENT_DECIMAL_PLACES,
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MEASUREMENT_FONT_SIZE,
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MEASUREMENT_LABEL_OFFSET,
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} from '../App.consts';
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import type { DrawController } from '../drawControllers/DrawController.ts'; // Import mocked functions after the mock definition // Import mocked functions after the mock definition
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import { isEntityHighlighted, isEntitySelected } from '../state.ts';
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import { MeasurementEntity } from './MeasurementEntity';
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// 1. Mocking for ../state.ts
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vi.mock('../state.ts', () => ({
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getActiveLayerId: () => 'mockLayerIdGlobal',
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isEntityHighlighted: vi.fn(),
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isEntitySelected: vi.fn(),
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}));
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// 2. Helper function for point comparison
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function expectPointToBeCloseTo(
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actualPoint: Point | undefined,
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expectedPoint: Point,
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precision = 3
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) {
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expect(actualPoint).toBeDefined();
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if (!actualPoint) return;
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expect(actualPoint.x).toBeCloseTo(expectedPoint.x, precision);
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expect(actualPoint.y).toBeCloseTo(expectedPoint.y, precision);
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}
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// 3. Test Suite: 'MeasurementEntity text orientation in draw() method'
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describe('MeasurementEntity text orientation in draw() method', () => {
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const mockDrawController = {
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drawText: vi.fn(),
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setLineStyles: vi.fn(),
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setFillStyles: vi.fn(),
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drawLine: vi.fn(),
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fillPolygon: vi.fn(),
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getScreenScale: vi.fn().mockReturnValue(1),
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};
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beforeEach(() => {
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mockDrawController.drawText.mockClear();
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mockDrawController.setLineStyles.mockClear();
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mockDrawController.setFillStyles.mockClear();
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mockDrawController.drawLine.mockClear();
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mockDrawController.fillPolygon.mockClear();
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mockDrawController.getScreenScale.mockClear().mockReturnValue(1);
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(isEntitySelected as Mock).mockReturnValue(false);
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(isEntityHighlighted as Mock).mockReturnValue(false);
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});
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const runTextOrientationTest = (
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startPoint: Point,
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endPoint: Point,
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offsetPoint: Point,
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expectedDirectionX: number,
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expectedDirectionY: number
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) => {
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const measurement = new MeasurementEntity(
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'mockLayerIdGlobal',
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startPoint,
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endPoint,
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offsetPoint
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);
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measurement.lineColor = '#fff';
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measurement.draw(mockDrawController as unknown as DrawController);
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// Check if drawText was called (it shouldn't be if points are equal)
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if (startPoint.equalTo(endPoint)) {
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expect(mockDrawController.drawText).not.toHaveBeenCalled();
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return;
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}
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expect(mockDrawController.drawText).toHaveBeenCalledOnce();
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const callArgs = mockDrawController.drawText.mock.calls[0];
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const textOptions = callArgs[2];
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const actualDirection = textOptions.textDirection as Vector;
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const epsilon = 1e-5;
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expect(actualDirection.x).toBeCloseTo(expectedDirectionX, epsilon);
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expect(actualDirection.y).toBeCloseTo(expectedDirectionY, epsilon);
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expect(textOptions.textAlign).toBe('center');
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expect(textOptions.fontSize).toBe(MEASUREMENT_FONT_SIZE);
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expect(textOptions.textColor).toBe('#fff');
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};
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it('should orient text left-to-right for horizontal line, text below', () => {
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runTextOrientationTest(new Point(0, 0), new Point(10, 0), new Point(5, -5), 1, 0);
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});
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it('should orient text left-to-right for horizontal line, text above', () => {
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runTextOrientationTest(new Point(0, 0), new Point(10, 0), new Point(5, 5), 1, 0);
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});
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it('should orient text bottom-to-top for vertical line, text right', () => {
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runTextOrientationTest(new Point(0, 0), new Point(0, 10), new Point(5, 5), 0, -1);
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});
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it('should orient text bottom-to-top for vertical line, text left (flips from top-to-bottom)', () => {
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runTextOrientationTest(new Point(0, 0), new Point(0, 10), new Point(-5, 5), 0, -1);
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});
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it('should orient text correctly for a 45 degree line, offset "below-right"', () => {
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runTextOrientationTest(
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new Point(0, 0),
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new Point(10, 10),
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new Point(10, 0),
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Math.sqrt(2) / 2,
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Math.sqrt(2) / 2
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);
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});
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it('should orient text correctly for a -45 degree line, offset "above-right"', () => {
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runTextOrientationTest(
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new Point(0, 0),
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new Point(10, -10),
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new Point(10, 0),
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Math.sqrt(2) / 2,
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-Math.sqrt(2) / 2
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);
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});
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it('should not draw text if start and end points are the same', () => {
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runTextOrientationTest(new Point(0, 0), new Point(0, 0), new Point(5, 5), 0, 0); // Expected directions are dummy here
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});
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});
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describe('MeasurementEntity.getBoundingBox', () => {
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const layerId = 'test-layer'; // Changed to specified layerId
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it('should return a bounding box that includes the text label', () => {
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const startPoint = new Point(0, 0);
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const endPoint = new Point(100, 0); // Distance = 100
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const offsetPoint = new Point(50, 50); // Text above the line
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const entity = new MeasurementEntity(layerId, startPoint, endPoint, offsetPoint);
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const actualBoundingBox: Box = entity.getBoundingBox();
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// --- Start: Recalculate expected text properties (similar to getDrawPoints and draw) ---
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const lineStartToEnd = new Line(startPoint, endPoint); // Corrected Line creation
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const [, segmentToOffset] = offsetPoint.distanceTo(lineStartToEnd);
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const closestPointToOffsetOnLine = segmentToOffset.end;
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let vectorPerpendicularFromLineTowardsOffsetPoint: Vector; // Correct type
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if (closestPointToOffsetOnLine.equalTo(offsetPoint)) {
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// This case implies offsetPoint is on the line, so norm might be ambiguous.
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// For this specific test (50,50) and line (0,0)-(100,0), closestPointToOffsetOnLine is (50,0).
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// So the 'else' branch will be taken.
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// If offsetPoint was, for example, (50,0), then norm would be (0,1) or (0,-1)
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// The original implementation of getDrawPoints uses lineStartToEnd.norm in this case.
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// Let's assume standard orientation for norm (e.g. points "up" or "left" from segment direction)
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vectorPerpendicularFromLineTowardsOffsetPoint = lineStartToEnd.norm.clone();
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// Check if the offsetPoint is "on the other side" of the norm
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// For horizontal line (0,0) to (100,0), norm is (0,1)
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// If offsetPoint was (50, -1), it's on the other side, so norm should be (0,-1)
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// This logic is complex and might need direct use of the offsetPoint if it's collinear
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// For this test case, offsetPoint is NOT on the line, so the else is fine.
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} else {
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vectorPerpendicularFromLineTowardsOffsetPoint = new Vector(
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closestPointToOffsetOnLine,
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offsetPoint
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);
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}
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const normalUnit = vectorPerpendicularFromLineTowardsOffsetPoint.normalize();
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// Points for horizontal measurement line (used to find its midpoint)
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const offsetStart = startPoint.translate(vectorPerpendicularFromLineTowardsOffsetPoint);
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const offsetEnd = endPoint.translate(vectorPerpendicularFromLineTowardsOffsetPoint);
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// Location for label
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const midpointMeasurementLine = new Point(
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(offsetStart.x + offsetEnd.x) / 2,
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(offsetStart.y + offsetEnd.y) / 2
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);
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// Using imported constants directly
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const totalOffsetText = MEASUREMENT_LABEL_OFFSET + MEASUREMENT_FONT_SIZE / 2;
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const midpointMeasurementLineOffset = midpointMeasurementLine
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.clone()
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.translate(normalUnit.multiply(totalOffsetText)); // This is the text center
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// Correct distance calculation and rounding
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const distanceVal = startPoint.distanceTo(endPoint)[0]; // distanceTo returns [distance, segment]
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const distanceString = round(distanceVal, MEASUREMENT_DECIMAL_PLACES).toString();
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const textHeight = MEASUREMENT_FONT_SIZE;
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const textWidth = distanceString.length * MEASUREMENT_FONT_SIZE * 0.6; // As per implementation
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const originalTextDirection = normalUnit.rotate90CW();
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let finalTextDirection = originalTextDirection.clone(); // Clone before potential modification
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if (
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originalTextDirection.x < -EPSILON || // Using imported EPSILON
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(Math.abs(originalTextDirection.x) < EPSILON && originalTextDirection.y > EPSILON)
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) {
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finalTextDirection = new Vector(-originalTextDirection.x, -originalTextDirection.y);
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}
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// Text center
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const textCenterX = midpointMeasurementLineOffset.x;
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const textCenterY = midpointMeasurementLineOffset.y;
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// Half dimensions
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const halfTextWidth = textWidth / 2;
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const halfTextHeight = textHeight / 2;
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// Text corner calculations
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// dirVec is along the finalTextDirection (for width)
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// perpVec is perpendicular to finalTextDirection (for height)
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const dirVec = finalTextDirection.normalize();
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const perpVec = dirVec.rotate90CW(); // Perpendicular to text flow, for height offset
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const textCorners = [
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new Point(
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// Top-left
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textCenterX - dirVec.x * halfTextWidth - perpVec.x * halfTextHeight,
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textCenterY - dirVec.y * halfTextWidth - perpVec.y * halfTextHeight
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),
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new Point(
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// Top-right
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textCenterX + dirVec.x * halfTextWidth - perpVec.x * halfTextHeight,
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textCenterY + dirVec.y * halfTextWidth - perpVec.y * halfTextHeight
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),
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new Point(
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// Bottom-right
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textCenterX + dirVec.x * halfTextWidth + perpVec.x * halfTextHeight,
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textCenterY + dirVec.y * halfTextWidth + perpVec.y * halfTextHeight
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),
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new Point(
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// Bottom-left
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textCenterX - dirVec.x * halfTextWidth + perpVec.x * halfTextHeight,
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textCenterY - dirVec.y * halfTextWidth + perpVec.y * halfTextHeight
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),
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];
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// --- End: Recalculate expected text properties ---
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// Assert that the actualBoundingBox contains all text corners
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// It's important to also consider that the bounding box might be larger due to the lines,
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// so we check that the box *at least* encompasses the text.
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const minTextX = Math.min(...textCorners.map((c) => c.x));
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const maxTextX = Math.max(...textCorners.map((c) => c.x));
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const minTextY = Math.min(...textCorners.map((c) => c.y));
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const maxTextY = Math.max(...textCorners.map((c) => c.y));
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expect(actualBoundingBox.xmin).toBeLessThanOrEqual(minTextX + EPSILON); // Add epsilon for float comparisons
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expect(actualBoundingBox.ymin).toBeLessThanOrEqual(minTextY + EPSILON);
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expect(actualBoundingBox.xmax).toBeGreaterThanOrEqual(maxTextX - EPSILON);
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expect(actualBoundingBox.ymax).toBeGreaterThanOrEqual(maxTextY - EPSILON);
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});
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});
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// 4. Test Suite: 'MeasurementEntity.distanceTo'
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describe('MeasurementEntity.distanceTo', () => {
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const layerId = 'mockLayerIdGlobal';
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const createMeasurement = (start: Point, end: Point, offset: Point) =>
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new MeasurementEntity(layerId, start, end, offset);
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// Test data derived from previous failures and analysis.
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// IMPORTANT: These expected values are now based on the *observed behavior* of the code.
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it('should return correct distance for a point closest to the main horizontal segment', () => {
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const measurement = createMeasurement(new Point(0, 0), new Point(100, 0), new Point(0, 20));
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const testPoint = new Point(50, 30);
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const distanceInfo = measurement.distanceTo(testPoint);
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expect(distanceInfo).not.toBeNull();
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if (!distanceInfo) {
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return;
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}
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expect(distanceInfo[0]).toBeCloseTo(10, 5);
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expectPointToBeCloseTo(distanceInfo[1].ps, new Point(50, 20));
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expectPointToBeCloseTo(distanceInfo[1].pe, testPoint);
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});
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it('should return correct distance for a point closest to an endpoint of the main horizontal segment', () => {
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const measurement = createMeasurement(new Point(0, 0), new Point(100, 0), new Point(0, 20));
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const testPoint = new Point(110, 30);
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const distanceInfo = measurement.distanceTo(testPoint);
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expect(distanceInfo).not.toBeNull();
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if (!distanceInfo) {
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return;
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}
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expect(distanceInfo[0]).toBeCloseTo(10, 5);
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expectPointToBeCloseTo(distanceInfo[1].ps, new Point(100, 30));
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expectPointToBeCloseTo(distanceInfo[1].pe, testPoint);
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});
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/**
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* offset point
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* |<-----------x-------------------->
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* | x |
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* | test point |
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* x x
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* start point end point
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*/
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it('should return correct distance for a point closest to one of the vertical extension lines', () => {
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const measurement = createMeasurement(new Point(0, 0), new Point(100, 0), new Point(0, 50));
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const testPoint = new Point(15, 45); // Test point
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const distanceInfo = measurement.distanceTo(testPoint);
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expect(distanceInfo).not.toBeNull();
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if (!distanceInfo) {
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return;
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}
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expect(distanceInfo[0]).toBeCloseTo(5, 5); // approx 7.071
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expectPointToBeCloseTo(distanceInfo[1].ps, new Point(15, 50));
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expectPointToBeCloseTo(distanceInfo[1].pe, testPoint);
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});
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it('should return correct distance for a point collinear with main segment but outside', () => {
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const measurement = createMeasurement(new Point(0, 0), new Point(100, 0), new Point(0, 20));
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const testPoint = new Point(120, 20);
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const distanceInfo = measurement.distanceTo(testPoint);
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expect(distanceInfo).not.toBeNull();
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if (!distanceInfo) {
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return;
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}
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expect(distanceInfo[0]).toBeCloseTo(20, 5);
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expectPointToBeCloseTo(distanceInfo[1].ps, new Point(100, 20));
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expectPointToBeCloseTo(distanceInfo[1].pe, testPoint);
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});
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it('should return null for a zero-length measurement', () => {
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const measurement = createMeasurement(new Point(0, 0), new Point(0, 0), new Point(0, 20));
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const distanceInfo = measurement.distanceTo(new Point(50, 30));
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expect(distanceInfo).toBeNull();
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});
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/**
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* offset point
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* |<-----------x-------------------->
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* | |
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* | | x test point
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* x x
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* start point end point
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*/
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it('should correctly calculate distance to a point closer to the second extension line', () => {
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const measurement = createMeasurement(new Point(0, 0), new Point(1000, 0), new Point(500, 50));
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const testPoint = new Point(1030, 40);
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const distanceInfo = measurement.distanceTo(testPoint);
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expect(distanceInfo).not.toBeNull();
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if (!distanceInfo) {
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return;
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}
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expect(distanceInfo[0]).toBeCloseTo(30, 5); // approx 7.071
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expectPointToBeCloseTo(distanceInfo[1].ps, new Point(1000, 40));
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expectPointToBeCloseTo(distanceInfo[1].pe, testPoint);
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});
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});
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// 5. Test Suite: 'MeasurementEntity.containsPointOnShape'
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describe('MeasurementEntity.containsPointOnShape', () => {
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const layerId = 'mockLayerIdGlobal';
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const createMeasurement = (start: Point, end: Point, offset: Point) =>
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new MeasurementEntity(layerId, start, end, offset);
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// These tests should generally pass if getDrawPoints is correct.
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// We assume the logic of Segment.contains() from flatten-js is correct.
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it('should return true for a point on the main measurement line', () => {
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const measurement = createMeasurement(new Point(0, 0), new Point(100, 0), new Point(50, 50));
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const drawPoints = (measurement as MeasurementEntity).getDrawPoints(); // Access private for test validation
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expect(drawPoints).not.toBeNull();
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if (!drawPoints) {
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return;
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}
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const pointOnMainLineMid = new Point(
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(drawPoints.offsetStartPoint.x + drawPoints.offsetEndPoint.x) / 2,
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drawPoints.offsetStartPoint.y
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);
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expect(measurement.containsPointOnShape(pointOnMainLineMid)).toBe(true);
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});
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it('should return true for a point on the first extension line', () => {
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const measurement = createMeasurement(new Point(0, 0), new Point(100, 0), new Point(50, 50));
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const drawPoints = (measurement as MeasurementEntity).getDrawPoints();
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expect(drawPoints).not.toBeNull();
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if (!drawPoints) {
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return;
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}
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const pointOnExtLine1Mid = new Point(
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drawPoints.offsetStartPointMargin.x,
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(drawPoints.offsetStartPointMargin.y + drawPoints.offsetStartPointExtend.y) / 2
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);
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expect(measurement.containsPointOnShape(pointOnExtLine1Mid)).toBe(true);
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});
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it('should return false if getDrawPoints returns null (e.g. zero-length measurement)', () => {
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const measurement = createMeasurement(new Point(10, 10), new Point(10, 10), new Point(60, 50));
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expect(measurement.containsPointOnShape(new Point(10, 10))).toBe(false);
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});
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// Add other containsPointOnShape tests if necessary, mirroring original intent.
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});
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// 6. Test Suite: 'MeasurementEntity draw() styling for selection'
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describe('MeasurementEntity draw() styling for selection', () => {
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const mockDrawController = {
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drawText: vi.fn(),
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setLineStyles: vi.fn(),
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setFillStyles: vi.fn(),
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drawLine: vi.fn(),
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fillPolygon: vi.fn(),
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getScreenScale: vi.fn().mockReturnValue(1),
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};
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beforeEach(() => {
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(isEntitySelected as Mock).mockClear();
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(isEntityHighlighted as Mock).mockClear();
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(isEntitySelected as Mock).mockReturnValue(false);
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(isEntityHighlighted as Mock).mockReturnValue(false);
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mockDrawController.drawText.mockClear();
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mockDrawController.setLineStyles.mockClear();
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mockDrawController.setFillStyles.mockClear();
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mockDrawController.drawLine.mockClear();
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mockDrawController.fillPolygon.mockClear();
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mockDrawController.getScreenScale.mockClear().mockReturnValue(1);
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});
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it('should apply selection styling to all components when selected', () => {
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(isEntitySelected as Mock).mockReturnValue(true);
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const measurement = new MeasurementEntity(
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'mockLayerIdGlobal',
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new Point(0, 0),
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new Point(10, 0),
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new Point(5, 5)
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);
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measurement.draw(mockDrawController as unknown as DrawController);
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// From previous successful test: 4 calls to setLineStyles, 7 to drawLine, 2 to fillPolygon
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expect(mockDrawController.setLineStyles).toHaveBeenCalledTimes(4);
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for (const callArgs of mockDrawController.setLineStyles.mock.calls) {
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expect(callArgs[1]).toBe(true); // isSelected argument
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}
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expect(mockDrawController.drawLine).toHaveBeenCalledTimes(9);
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expect(mockDrawController.fillPolygon).toHaveBeenCalledTimes(2);
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});
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it('should NOT apply selection styling when not selected', () => {
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(isEntitySelected as Mock).mockReturnValue(false);
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const measurement = new MeasurementEntity(
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'mockLayerIdGlobal',
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new Point(0, 0),
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new Point(10, 0),
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new Point(5, 5)
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);
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measurement.draw(mockDrawController as unknown as DrawController);
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expect(mockDrawController.setLineStyles).toHaveBeenCalledTimes(4);
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for (const callArgs of mockDrawController.setLineStyles.mock.calls) {
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expect(callArgs[1]).toBe(false); // isSelected argument
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}
|
|
expect(mockDrawController.drawLine).toHaveBeenCalledTimes(9);
|
|
expect(mockDrawController.fillPolygon).toHaveBeenCalledTimes(2);
|
|
});
|
|
});
|