Setup Cypress tests for box and button

cypress/fixtures/example.json

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+{
+  "name": "Using fixtures to represent data",
+  "email": "hello@cypress.io",
+  "body": "Fixtures are a great way to mock data for responses to routes"
+}

cypress/integration/.gitignore

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+1-getting-started
+2-advanced-examples

cypress/integration/elements/box.spec.js

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+describe("Elements/Box", () => {
+  beforeEach(() => {
+    cy.visit("http://127.0.0.1:4000/cypress/elements/box/");
+  });
+
+  it("has a .box element", () => {
+    cy.get(".box").should("exist");
+  });
+
+  it("has a correct .box element", () => {
+    cy.get(".box").then(($) => {
+      const el = $[0];
+      const cs = window.getComputedStyle(el);
+      expect(cs.backgroundColor).to.equal(Cypress.env("scheme-main"));
+      expect(cs.borderRadius).to.equal("6px");
+      expect(cs.boxShadow).to.equal(
+        "rgba(10, 10, 10, 0.1) 0px 8px 16px -2px, rgba(10, 10, 10, 0.02) 0px 0px 0px 1px"
+      );
+      expect(cs.color).to.equal(Cypress.env("text"));
+      expect(cs.padding).to.equal("20px");
+    });
+  });
+});

cypress/integration/elements/button.spec.js

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+describe("Elements/Button", () => {
+  beforeEach(() => {
+    cy.visit("http://127.0.0.1:4000/cypress/elements/button/");
+  });
+
+  it("has a Button", () => {
+    cy.get(".button").should("exist");
+  });
+
+  it("has a correct Button", () => {
+    cy.get("#button-default").then(($) => {
+      const cs = window.getComputedStyle($[0]);
+      expect(cs.backgroundColor).to.equal(Cypress.env("white"));
+      expect(cs.borderColor).to.equal(Cypress.env("grey-lighter"));
+      expect(cs.borderRadius).to.equal("4px");
+      expect(cs.color).to.equal(Cypress.env("grey-darker"));
+      expect(cs.height).to.equal("40px");
+      expect(cs.lineHeight).to.equal("24px");
+      expect(cs.padding).to.equal("7px 16px");
+    });
+  });
+
+  // States
+  it("has a correct hover Button", () => {
+    cy.get("#button-hover").then(($) => {
+      const cs = window.getComputedStyle($[0]);
+      expect(cs.backgroundColor).to.equal(Cypress.env("white"));
+      expect(cs.borderColor).to.equal(Cypress.env("grey-light"));
+      expect(cs.borderRadius).to.equal("4px");
+      expect(cs.color).to.equal(Cypress.env("grey-darker"));
+      expect(cs.height).to.equal("40px");
+      expect(cs.lineHeight).to.equal("24px");
+      expect(cs.padding).to.equal("7px 16px");
+    });
+  });
+
+  it("has a correct focus Button", () => {
+    cy.get("#button-focus").then(($) => {
+      const cs = window.getComputedStyle($[0]);
+      expect(cs.backgroundColor).to.equal(Cypress.env("white"));
+      expect(cs.borderColor).to.equal(Cypress.env("blue"));
+      expect(cs.borderRadius).to.equal("4px");
+      expect(cs.boxShadow).to.equal(
+        `rgba${Cypress.env("blue").slice(3, -1)}, 0.25) 0px 0px 0px 2px`
+      );
+      expect(cs.color).to.equal(Cypress.env("grey-darker"));
+      expect(cs.height).to.equal("40px");
+      expect(cs.lineHeight).to.equal("24px");
+      expect(cs.padding).to.equal("7px 16px");
+    });
+  });
+
+  // Colors
+  it(`has correct color Buttons`, () => {
+    for (let i = 0; i < Cypress.env("color-names").length; i++) {
+      const name = Cypress.env("color-names")[i];
+      const baseColor = Cypress.env(name);
+      const invertColor = Cypress.env(`${name}-invert`);
+      const lightColor = Cypress.env(`${name}-light`);
+      const darkColor = Cypress.env(`${name}-dark`);
+
+      cy.get(`#button-${name}`).then(($) => {
+        const cs = window.getComputedStyle($[0]);
+        expect(cs.backgroundColor).to.equal(baseColor);
+        expect(cs.borderColor).to.equal(Cypress.env("transparent"));
+        expect(cs.color).to.equal(invertColor);
+      });
+
+      cy.get(`#button-${name}-hover`).then(($) => {
+        const cs = window.getComputedStyle($[0]);
+        expect(cs.borderColor).to.equal(Cypress.env("transparent"));
+        expect(cs.color).to.equal(invertColor);
+      });
+
+      cy.get(`#button-${name}-focus`).then(($) => {
+        const cs = window.getComputedStyle($[0]);
+        expect(cs.boxShadow).to.equal(
+          `rgba${baseColor.slice(3, -1)}, 0.25) 0px 0px 0px 2px`
+        );
+        expect(cs.borderColor).to.equal(Cypress.env("transparent"));
+        expect(cs.color).to.equal(invertColor);
+      });
+
+      cy.get(`#button-${name}-active`).then(($) => {
+        const cs = window.getComputedStyle($[0]);
+        expect(cs.borderColor).to.equal(Cypress.env("transparent"));
+        expect(cs.color).to.equal(invertColor);
+      });
+
+      cy.get(`#button-${name}-inverted`).then(($) => {
+        const cs = window.getComputedStyle($[0]);
+        expect(cs.backgroundColor).to.equal(invertColor);
+        expect(cs.color).to.equal(baseColor);
+      });
+
+      cy.get(`#button-${name}-outlined`).then(($) => {
+        const cs = window.getComputedStyle($[0]);
+        expect(cs.backgroundColor).to.equal(Cypress.env("transparent"));
+        expect(cs.borderColor).to.equal(baseColor);
+        expect(cs.color).to.equal(baseColor);
+      });
+
+      cy.get(`#button-${name}-outlined-hover`).then(($) => {
+        const cs = window.getComputedStyle($[0]);
+        expect(cs.backgroundColor).to.equal(baseColor);
+        expect(cs.borderColor).to.equal(baseColor);
+        expect(cs.color).to.equal(invertColor);
+      });
+
+      cy.get(`#button-${name}-inverted-outlined`).then(($) => {
+        const cs = window.getComputedStyle($[0]);
+        expect(cs.backgroundColor).to.equal(Cypress.env("transparent"));
+        expect(cs.borderColor).to.equal(invertColor);
+        expect(cs.color).to.equal(invertColor);
+      });
+
+      cy.get(`#button-${name}-light`).then(($) => {
+        const cs = window.getComputedStyle($[0]);
+        expect(cs.backgroundColor).to.equal(lightColor);
+        expect(cs.color).to.equal(darkColor);
+      });
+    }
+  });
+});

cypress/plugins/index.js

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+/// <reference types="cypress" />
+// ***********************************************************
+// This example plugins/index.js can be used to load plugins
+//
+// You can change the location of this file or turn off loading
+// the plugins file with the 'pluginsFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/plugins-guide
+// ***********************************************************
+
+// This function is called when a project is opened or re-opened (e.g. due to
+// the project's config changing)
+
+/**
+ * @type {Cypress.PluginConfig}
+ */
+// eslint-disable-next-line no-unused-vars
+module.exports = (on, config) => {
+  // `on` is used to hook into various events Cypress emits
+  // `config` is the resolved Cypress config
+}

cypress/support/commands.js

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+// ***********************************************
+// This example commands.js shows you how to
+// create various custom commands and overwrite
+// existing commands.
+//
+// For more comprehensive examples of custom
+// commands please read more here:
+// https://on.cypress.io/custom-commands
+// ***********************************************
+//
+//
+// -- This is a parent command --
+// Cypress.Commands.add('login', (email, password) => { ... })
+//
+//
+// -- This is a child command --
+// Cypress.Commands.add('drag', { prevSubject: 'element'}, (subject, options) => { ... })
+//
+//
+// -- This is a dual command --
+// Cypress.Commands.add('dismiss', { prevSubject: 'optional'}, (subject, options) => { ... })
+//
+//
+// -- This will overwrite an existing command --
+// Cypress.Commands.overwrite('visit', (originalFn, url, options) => { ... })
+
+// function colorDarken(color, amount) {
+//   return cy.wrap(color);
+// }
+
+// Cypress.Commands.add("colorDarken", colorDarken);

cypress/support/index.js

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+// ***********************************************************
+// This example support/index.js is processed and
+// loaded automatically before your test files.
+//
+// This is a great place to put global configuration and
+// behavior that modifies Cypress.
+//
+// You can change the location of this file or turn off
+// automatically serving support files with the
+// 'supportFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/configuration
+// ***********************************************************
+
+// Import commands.js using ES2015 syntax:
+import './commands'
+
+// Alternatively you can use CommonJS syntax:
+// require('./commands')