Cypress test to check image rotate. (#2194)

* Cypress test for check image rorate.

* Apply comments.
Co-authored-by: NDmitry Kruchinin <dmitryx.kruchinin@intel.com>

tests/cypress/integration/case_5_image_rotate.js

+/*
+ * Copyright (C) 2020 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/// <reference types="cypress" />
+
+context('Check if the image is rotated', () => {
+
+    const caseId = '5'
+    const labelName = `Case ${caseId}`
+    const taskName = `New annotation task for ${labelName}`
+    const attrName = `Attr for ${labelName}`
+    const textDefaultValue = 'Some default value for type Text'
+    const imageFileName = `image_${labelName.replace(' ', '_').toLowerCase()}`
+    const image = `${imageFileName}.png`
+    const width = 800
+    const height = 800
+    const posX = 10
+    const posY = 10
+    const color = 'gray'
+    function imageRotate(direction='anticlockwise') {
+        cy.get('.cvat-rotate-canvas-control')
+        .trigger('mouseover')
+        if (direction === 'clockwise') {
+            cy.get('.cvat-rotate-canvas-controls-right')
+            .click()
+        } else {
+            cy.get('.cvat-rotate-canvas-controls-left')
+            .click()
+        }
+    }
+
+    before(() => {
+        cy.visit('auth/login')
+        cy.login()
+        cy.imageGenerator('cypress/fixtures', image, width, height, color, posX, posY, labelName)
+        cy.createAnnotationTask(taskName, labelName, attrName, textDefaultValue, image)
+        cy.openTaskJob(taskName)
+    })
+
+    describe(`Testing "${labelName}"`, () => {
+        it('Rotate image clockwise 90deg', () => {
+            imageRotate('clockwise')
+            cy.get('#cvat_canvas_background')
+            .should('have.attr', 'style').and('contain', 'rotate(90deg);')
+        })
+        it('Rotate image clockwise 180deg', () => {
+            imageRotate('clockwise')
+            cy.get('#cvat_canvas_background')
+            .should('have.attr', 'style').and('contain', 'rotate(180deg);')
+        })
+        it('Rotate image clockwise 270deg', () => {
+            imageRotate('clockwise')
+            cy.get('#cvat_canvas_background')
+            .should('have.attr', 'style').and('contain', 'rotate(270deg);')
+        })
+        it('Rotate image clockwise 360deg', () => {
+            imageRotate('clockwise')
+            cy.get('#cvat_canvas_background')
+            .should('have.attr', 'style').and('contain', 'rotate(0deg);')
+        })
+        it('Rotate image anticlockwise 90deg', () => {
+            imageRotate()
+            cy.get('#cvat_canvas_background')
+            .should('have.attr', 'style').and('contain', 'rotate(270deg);')
+        })
+        it('Rotate image anticlockwise 180deg', () => {
+            imageRotate()
+            cy.get('#cvat_canvas_background')
+            .should('have.attr', 'style').and('contain', 'rotate(180deg);')
+        })
+        it('Rotate image anticlockwise 270deg', () => {
+            imageRotate()
+            cy.get('#cvat_canvas_background')
+            .should('have.attr', 'style').and('contain', 'rotate(90deg);')
+        })
+        it('Rotate image anticlockwise 360deg', () => {
+            imageRotate()
+            cy.get('#cvat_canvas_background')
+            .should('have.attr', 'style').and('contain', 'rotate(0deg);')
+        })
+    })
+})