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remote-file.js
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remote-file.js
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Cypress.on("uncaught:exception", err => {
if (
(err.message.includes("Minified React error #418") ||
err.message.includes("Minified React error #423") ||
err.message.includes("Minified React error #425")) &&
Cypress.env(`TEST_PLUGIN_OFFLINE`)
) {
return false
}
})
describe(
`remote-file`,
{
retries: {
runMode: 4,
},
},
() => {
beforeEach(() => {
cy.visit(`/remote-file/`).waitForRouteChange()
// trigger intersection observer
cy.scrollTo("top")
cy.wait(100)
cy.scrollTo("bottom", {
duration: 500,
})
cy.wait(500)
})
async function testImages(images, expectations) {
for (let i = 0; i < images.length; i++) {
const expectation = expectations[i]
const res = await fetch(images[i].currentSrc, {
method: "HEAD",
})
expect(res.ok).to.be.true
if (expectation.width) {
expect(
Math.ceil(images[i].getBoundingClientRect().width)
).to.be.equal(expectation.width)
}
if (expectation.height) {
expect(
Math.ceil(images[i].getBoundingClientRect().height)
).to.be.equal(expectation.height)
}
}
}
it(`should render correct dimensions`, () => {
cy.get('[data-testid="public"]').then(async $urls => {
const urls = Array.from(
$urls.map((_, $url) => $url.getAttribute("href"))
)
for (const url of urls) {
const res = await fetch(url, {
method: "HEAD",
})
expect(res.ok).to.be.true
}
})
cy.get(".resize").then(async $imgs => {
await testImages(Array.from($imgs), [
{
width: 100,
height: 133,
},
{
width: 100,
height: 160,
},
{
width: 100,
height: 67,
},
])
})
cy.get(".fixed").then(async $imgs => {
await testImages(Array.from($imgs), [
{
width: 100,
height: 133,
},
{
width: 100,
height: 160,
},
{
width: 100,
height: 67,
},
])
})
cy.get(".constrained").then(async $imgs => {
await testImages(Array.from($imgs), [
{
width: 300,
height: 400,
},
{
width: 300,
height: 481,
},
{
width: 300,
height: 200,
},
])
})
cy.get(".full").then(async $imgs => {
await testImages(Array.from($imgs), [
{
height: 1229,
},
{
height: 1478,
},
{
height: 614,
},
])
})
})
it(`should render a placeholder`, () => {
cy.get(".fixed [data-placeholder-image]")
.first()
.should("have.css", "background-color", "rgb(232, 184, 8)")
cy.get(".constrained [data-placeholder-image]")
.first()
.should($el => {
expect($el.prop("tagName")).to.be.equal("IMG")
expect($el.prop("src")).to.contain("data:image/jpg;base64")
})
cy.get(".constrained_traced [data-placeholder-image]")
.first()
.should($el => {
// traced falls back to DOMINANT_COLOR
expect($el.prop("tagName")).to.be.equal("DIV")
expect($el).to.be.empty
})
cy.get(".full [data-placeholder-image]")
.first()
.should($el => {
expect($el.prop("tagName")).to.be.equal("DIV")
expect($el).to.be.empty
})
})
}
)