mozilla-central/devtools/client/responsive/test/browser/browser_device_pixel_ratio_change.js (file symbol)

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Test Info: Warnings

/* Any copyright is dedicated to the Public Domain.
"use strict";
// Tests changing viewport device pixel ratio
const TEST_URL = "data:text/html;charset=utf-8,DevicePixelRatio list test";
const DEFAULT_DPPX = window.devicePixelRatio;
const VIEWPORT_DPPX = DEFAULT_DPPX + 1;
const testDevice = {
name: "Fake Phone RDM Test",
width: 320,
height: 470,
pixelRatio: 5.5,
userAgent: "Mozilla/5.0 (Mobile; rv:39.0) Gecko/39.0 Firefox/39.0",
touch: true,
firefoxOS: true,
os: "custom",
featured: true,
};
// Add the new device to the list
addDeviceForTest(testDevice);
addRDMTask(
TEST_URL,
async function ({ ui }) {
await waitStartup(ui);
await testDefaults(ui);
await testChangingDevice(ui);
await testResetWhenResizingViewport(ui);
await testChangingDevicePixelRatio(ui);
},
{ waitForDeviceList: true }
);
async function waitStartup(ui) {
const { store } = ui.toolWindow;
// Wait until the viewport has been added and the device list has been loaded
await waitUntilState(
store,
state =>
state.viewports.length == 1 &&
state.devices.listState == Types.loadableState.LOADED
);
}
async function testDefaults(ui) {
info("Test Defaults");
const dppx = await getViewportDevicePixelRatio(ui);
is(dppx, DEFAULT_DPPX, "Content has expected devicePixelRatio");
testViewportDevicePixelRatioSelect(ui, {
value: DEFAULT_DPPX,
disabled: false,
});
testViewportDeviceMenuLabel(ui, "Responsive");
}
async function testChangingDevice(ui) {
info("Test Changing Device");
await selectDevice(ui, testDevice.name);
await waitForViewportResizeTo(ui, testDevice.width, testDevice.height);
const dppx = await waitForDevicePixelRatio(ui, testDevice.pixelRatio);
is(dppx, testDevice.pixelRatio, "Content has expected devicePixelRatio");
testViewportDevicePixelRatioSelect(ui, {
value: testDevice.pixelRatio,
disabled: true,
});
testViewportDeviceMenuLabel(ui, testDevice.name);
}
async function testResetWhenResizingViewport(ui) {
info("Test reset when resizing the viewport");
await testViewportResize(
ui,
".viewport-vertical-resize-handle",
[-10, -10],
[0, -10],
{
hasDevice: true,
}
);
const dppx = await waitForDevicePixelRatio(ui, DEFAULT_DPPX);
is(dppx, DEFAULT_DPPX, "Content has expected devicePixelRatio");
testViewportDevicePixelRatioSelect(ui, {
value: DEFAULT_DPPX,
disabled: false,
});
testViewportDeviceMenuLabel(ui, "Responsive");
}
async function testChangingDevicePixelRatio(ui) {
info("Test changing device pixel ratio");
await selectDevicePixelRatio(ui, VIEWPORT_DPPX);
const dppx = await waitForDevicePixelRatio(ui, VIEWPORT_DPPX);
is(dppx, VIEWPORT_DPPX, "Content has expected devicePixelRatio");
testViewportDevicePixelRatioSelect(ui, {
value: VIEWPORT_DPPX,
disabled: false,
});
testViewportDeviceMenuLabel(ui, "Responsive");
}
function testViewportDevicePixelRatioSelect(ui, expected) {
info("Test viewport's DevicePixelRatio Select");
const button = ui.toolWindow.document.getElementById(
"device-pixel-ratio-menu"
);
const title = ui.toolWindow.document.querySelector(
"#device-pixel-ratio-menu .title"
);
is(
title.textContent,
`DPR: ${expected.value}`,
`DevicePixelRatio Select value should be: ${expected.value}`
);
is(
button.disabled,
expected.disabled,
`DevicePixelRatio Select should be ${
expected.disabled ? "disabled" : "enabled"
}.`
);
}