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color-thief/cypress/e2e/api.cy.js
2023-02-28 13:59:41 -08:00

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function rgbCount(text) {
const vals = text.split(',');
for (const val of vals) {
if (val < 0 || val > 255) {
throw 'Invalid RGB color value';
}
}
return vals.length / 3
}
describe('getColor()', { testIsolation: false }, function() {
before(function() {
cy.visit('http://localhost:8080/cypress/test-pages/index.html');
})
it('returns valid color from black image', function() {
cy.get('[data-image="black.png"] .output-color').should(($el) => {
const count = rgbCount($el.text())
expect(count).to.equal(1);
});
})
it('returns valid color from red image', function() {
cy.get('[data-image="red.png"] .output-color').should(($el) => {
const count = rgbCount($el.text())
expect(count).to.equal(1);
});
})
it('returns valid color from rainbow image', function() {
cy.get('[data-image="rainbow-horizontal.png"] .output-color').should(($el) => {
const count = rgbCount($el.text())
expect(count).to.equal(1);
});
})
// ⚠BREAKS
// it('returns valid color from white image', function() {
// cy.get('[data-image="white.png"] .output-color').should(($el) => {
// const count = rgbCount($el.text())
// expect(count).to.equal(1);
// });
// })
// ⚠BREAKS
// it('returns valid color from transparent image', function() {
// cy.get('[data-image="transparent.png"] .output-color').should(($el) => {
// const count = rgbCount($el.text())
// expect(count).to.equal(1);
// });
// })
})
function testPaletteCount(num) {
it(`returns ${num} color when colorCount set to ${num}`, function() {
cy.get(`[data-image="rainbow-horizontal.png"] .palette[data-count="${num}"] .output-palette`).should(($el) => {
const count = rgbCount($el.text())
expect(count).to.equal(num);
});
})
}
describe('getPalette()', function() {
beforeEach(function() {
cy.visit('http://localhost:8080/cypress/test-pages/index.html');
})
let testCounts = [2, 3, 5, 7, 10, 20];
testCounts.forEach((count) => testPaletteCount(count))
})