#2463 - Add unit tests

epam · May 11, 2023 · bb8414f · bb8414f
1 parent ff4c0a0
commit bb8414f
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Showing 2 changed files with 86 additions and 3 deletions.
diff --git a/packages/ketcher-react/src/script/editor/tool/rotate-controller.test.ts b/packages/ketcher-react/src/script/editor/tool/rotate-controller.test.ts
@@ -1,7 +1,8 @@
 /* eslint-disable @typescript-eslint/ban-ts-comment */
-import RotateTool from './rotate'
-import RotateController from './rotate-controller'
+import { Vec2 } from 'ketcher-core'
 import Editor from '../Editor'
+import RotateTool from './rotate'
+import RotateController, { getDifference } from './rotate-controller'
 
 describe('Rotate controller', () => {
   /**
@@ -81,4 +82,83 @@ describe('Rotate controller', () => {
 
     expect(changeCrossColor).toBeCalledTimes(0)
   })
+
+  /**
+   * Steps to check:
+   * Select and move a big structure to edge of canvas,
+   * then rotate it by the handle
+   */
+  test('center changes with `scale` and `offset`', () => {
+    const controller = new RotateController({ selection: () => null } as any)
+    // @ts-ignore
+    controller.originalCenter = new Vec2(1, 1)
+    // @ts-ignore
+    controller.editor.render = {
+      options: {
+        scale: 2,
+        offset: new Vec2(1, 1)
+      }
+    }
+
+    // @ts-ignore
+    expect(controller.center.x).toBe(3)
+    // @ts-ignore
+    expect(controller.center.y).toBe(3)
+  })
+
+  it('shows half predefined degrees', () => {
+    let structRotateDegree = 180
+    let predefinedDegree1 = 90
+    let predefinedDegree2 = -90
+    let predefinedDegree3 = 89
+    let predefinedDegree4 = -89
+    expect(
+      getDifference(predefinedDegree1, structRotateDegree)
+    ).toBeLessThanOrEqual(90)
+    expect(
+      getDifference(predefinedDegree2, structRotateDegree)
+    ).toBeLessThanOrEqual(90)
+    expect(
+      getDifference(predefinedDegree3, structRotateDegree)
+    ).toBeGreaterThan(90)
+    expect(
+      getDifference(predefinedDegree4, structRotateDegree)
+    ).toBeGreaterThan(90)
+
+    structRotateDegree = 135
+    predefinedDegree1 = 45
+    predefinedDegree2 = -135
+    predefinedDegree3 = 44
+    predefinedDegree4 = -134
+    expect(
+      getDifference(predefinedDegree1, structRotateDegree)
+    ).toBeLessThanOrEqual(90)
+    expect(
+      getDifference(predefinedDegree2, structRotateDegree)
+    ).toBeLessThanOrEqual(90)
+    expect(
+      getDifference(predefinedDegree3, structRotateDegree)
+    ).toBeGreaterThan(90)
+    expect(
+      getDifference(predefinedDegree4, structRotateDegree)
+    ).toBeGreaterThan(90)
+
+    structRotateDegree = -135
+    predefinedDegree1 = -45
+    predefinedDegree2 = 135
+    predefinedDegree3 = -44
+    predefinedDegree4 = 134
+    expect(
+      getDifference(predefinedDegree1, structRotateDegree)
+    ).toBeLessThanOrEqual(90)
+    expect(
+      getDifference(predefinedDegree2, structRotateDegree)
+    ).toBeLessThanOrEqual(90)
+    expect(
+      getDifference(predefinedDegree3, structRotateDegree)
+    ).toBeGreaterThan(90)
+    expect(
+      getDifference(predefinedDegree4, structRotateDegree)
+    ).toBeGreaterThan(90)
+  })
 })
diff --git a/packages/ketcher-react/src/script/editor/tool/rotate-controller.ts b/packages/ketcher-react/src/script/editor/tool/rotate-controller.ts
@@ -511,7 +511,10 @@ const rotatePoint = (centerPoint: Vec2, startPoint: Vec2, angle: number) => {
   return oEnd
 }
 
-const getDifference = (currentDegree: number, structRotateDegree: number) => {
+export const getDifference = (
+  currentDegree: number,
+  structRotateDegree: number
+) => {
   let abs = 0
 
   // HACK: https://github.com/epam/ketcher/pull/2574#issuecomment-1539509046