openmct/e2e/tests/functional/plugins/plot/overlayPlot.e2e.spec.js

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 * Administration. All rights reserved.
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/*
Tests to verify log plot functionality. Note this test suite if very much under active development and should not
necessarily be used for reference when writing new tests in this area.
*/

const { test, expect } = require('../../../../pluginFixtures');
const { createDomainObjectWithDefaults } = require('../../../../appActions');

test.describe('Overlay Plot', () => {
    test.beforeEach(async ({ page }) => {
        await page.goto('./', { waitUntil: 'networkidle' });
    });

    test('Plot legend color is in sync with plot series color', async ({ page }) => {
        const overlayPlot = await createDomainObjectWithDefaults(page, {
            type: "Overlay Plot"
        });

        await createDomainObjectWithDefaults(page, {
            type: "Sine Wave Generator",
            parent: overlayPlot.uuid
        });

        await page.goto(overlayPlot.url);

        // navigate to plot series color palette
        await page.click('.l-browse-bar__actions__edit');
        await page.locator('li.c-tree__item.menus-to-left .c-disclosure-triangle').click();
        await page.locator('.c-click-swatch--menu').click();
        await page.locator('.c-palette__item[style="background: rgb(255, 166, 61);"]').click();

        // gets color for swatch located in legend
        const element = await page.waitForSelector('.plot-series-color-swatch');
        const color = await element.evaluate((el) => {
            return window.getComputedStyle(el).getPropertyValue('background-color');
        });

        expect(color).toBe('rgb(255, 166, 61)');
    });

    test('The elements pool supports dragging series into multiple y-axis buckets', async ({ page }) => {
        const overlayPlot = await createDomainObjectWithDefaults(page, {
            type: "Overlay Plot"
        });

        const swgA = await createDomainObjectWithDefaults(page, {
            type: "Sine Wave Generator",
            parent: overlayPlot.uuid
        });
        const swgB = await createDomainObjectWithDefaults(page, {
            type: "Sine Wave Generator",
            parent: overlayPlot.uuid
        });
        const swgC = await createDomainObjectWithDefaults(page, {
            type: "Sine Wave Generator",
            parent: overlayPlot.uuid
        });
        const swgD = await createDomainObjectWithDefaults(page, {
            type: "Sine Wave Generator",
            parent: overlayPlot.uuid
        });
        const swgE = await createDomainObjectWithDefaults(page, {
            type: "Sine Wave Generator",
            parent: overlayPlot.uuid
        });

        await page.goto(overlayPlot.url);
        await page.click('button[title="Edit"]');

        // Expand the elements pool vertically
        await page.locator('.l-pane.l-pane--vertical-handle-before', {
            hasText: 'Elements'
        }).locator('.l-pane__handle').hover();
        await page.mouse.down();
        await page.mouse.move(0, 100);
        await page.mouse.up();

        const yAxis1PropertyGroup = page.locator('[aria-label="Y Axis Properties"]');
        const yAxis2PropertyGroup = page.locator('[aria-label="Y Axis 2 Properties"]');
        const yAxis3PropertyGroup = page.locator('[aria-label="Y Axis 3 Properties"]');

        // Assert that Y Axis 1 property group is visible only
        await expect(yAxis1PropertyGroup).toBeVisible();
        await expect(yAxis2PropertyGroup).toBeHidden();
        await expect(yAxis3PropertyGroup).toBeHidden();

        // Drag swg a, c, e into Y Axis 2
        await page.locator(`#inspector-elements-tree >> text=${swgA.name}`).dragTo(page.locator('[aria-label="Element Item Group Y Axis 2"]'));
        await page.locator(`#inspector-elements-tree >> text=${swgC.name}`).dragTo(page.locator('[aria-label="Element Item Group Y Axis 2"]'));
        await page.locator(`#inspector-elements-tree >> text=${swgE.name}`).dragTo(page.locator('[aria-label="Element Item Group Y Axis 2"]'));

        // Assert that Y Axis 1 and Y Axis 2 property groups are visible only
        await expect(yAxis1PropertyGroup).toBeVisible();
        await expect(yAxis2PropertyGroup).toBeVisible();
        await expect(yAxis3PropertyGroup).toBeHidden();

        const yAxis1Group = page.getByLabel("Y Axis 1");
        const yAxis2Group = page.getByLabel("Y Axis 2");
        const yAxis3Group = page.getByLabel("Y Axis 3");

        // Drag swg b into Y Axis 3
        await page.locator(`#inspector-elements-tree >> text=${swgB.name}`).dragTo(page.locator('[aria-label="Element Item Group Y Axis 3"]'));

        // Assert that all Y Axis property groups are visible
        await expect(yAxis1PropertyGroup).toBeVisible();
        await expect(yAxis2PropertyGroup).toBeVisible();
        await expect(yAxis3PropertyGroup).toBeVisible();

        // Verify that the elements are in the correct buckets and in the correct order
        expect(yAxis1Group.getByRole('listitem', { name: swgD.name })).toBeTruthy();
        expect(yAxis1Group.getByRole('listitem').nth(0).getByText(swgD.name)).toBeTruthy();
        expect(yAxis2Group.getByRole('listitem', { name: swgE.name })).toBeTruthy();
        expect(yAxis2Group.getByRole('listitem').nth(0).getByText(swgE.name)).toBeTruthy();
        expect(yAxis2Group.getByRole('listitem', { name: swgC.name })).toBeTruthy();
        expect(yAxis2Group.getByRole('listitem').nth(1).getByText(swgC.name)).toBeTruthy();
        expect(yAxis2Group.getByRole('listitem', { name: swgA.name })).toBeTruthy();
        expect(yAxis2Group.getByRole('listitem').nth(2).getByText(swgA.name)).toBeTruthy();
        expect(yAxis3Group.getByRole('listitem', { name: swgB.name })).toBeTruthy();
        expect(yAxis3Group.getByRole('listitem').nth(0).getByText(swgB.name)).toBeTruthy();
    });

    test('Clicking on an item in the elements pool brings up the plot preview with data points', async ({ page }) => {
        const overlayPlot = await createDomainObjectWithDefaults(page, {
            type: "Overlay Plot"
        });

        const swgA = await createDomainObjectWithDefaults(page, {
            type: "Sine Wave Generator",
            parent: overlayPlot.uuid
        });

        await page.goto(overlayPlot.url);
        await page.click('button[title="Edit"]');

        await page.locator(`#inspector-elements-tree >> text=${swgA.name}`).click();
        await page.locator('.js-overlay canvas').nth(1);
        const plotPixelSize = await getCanvasPixelsWithData(page);
        expect(plotPixelSize).toBeGreaterThan(0);
    });
});

/**
 * @param {import('@playwright/test').Page} page
 */
async function getCanvasPixelsWithData(page) {
    const getTelemValuePromise = new Promise(resolve => page.exposeFunction('getCanvasValue', resolve));

    await page.evaluate(() => {
        // The document canvas is where the plot points and lines are drawn.
        // The only way to access the canvas is using document (using page.evaluate)
        let data;
        let canvas;
        let ctx;
        canvas = document.querySelector('.js-overlay canvas');
        ctx = canvas.getContext('2d');
        data = ctx.getImageData(0, 0, canvas.width, canvas.height).data;
        const imageDataValues = Object.values(data);
        let plotPixels = [];
        // Each pixel consists of four values within the ImageData.data array. The for loop iterates by multiples of four.
        // The values associated with each pixel are R (red), G (green), B (blue), and A (alpha), in that order.
        for (let i = 0; i < imageDataValues.length;) {
            if (imageDataValues[i] > 0) {
                plotPixels.push({
                    startIndex: i,
                    endIndex: i + 3,
                    value: `rgb(${imageDataValues[i]}, ${imageDataValues[i + 1]}, ${imageDataValues[i + 2]}, ${imageDataValues[i + 3]})`
                });
            }

            i = i + 4;

        }

        window.getCanvasValue(plotPixels.length);
    });

    return getTelemValuePromise;
}