[web] Add tests for src/js/components/ValueEditor/ValueEditor.js

2 files changed, 176 insertions, 0 deletions

diff --git a/web/src/js/__tests__/components/ValueEditor/ValueEditorSpec.js b/web/src/js/__tests__/components/ValueEditor/ValueEditorSpec.js
new file mode 100644
index 00000000..9b2796cb
--- /dev/null
+++ b/web/src/js/__tests__/components/ValueEditor/ValueEditorSpec.js
@@ -0,0 +1,155 @@
+import React from 'react'
+import renderer from 'react-test-renderer'
+import TestUtils from 'react-dom/test-utils'
+import ValueEditor from '../../../components/ValueEditor/ValueEditor'
+import { Key } from '../../../utils'
+
+describe('ValueEditor Component', () => {
+
+    let mockFn = jest.fn()
+    it ('should render correctly', () => {
+        let valueEditor = renderer.create(
+            <ValueEditor content="foo" onDone={mockFn}/>
+        ),
+            tree = valueEditor.toJSON()
+        expect(tree).toMatchSnapshot()
+    })
+
+    let valueEditor = TestUtils.renderIntoDocument(
+        <ValueEditor content="<script>foo</script>" onDone={mockFn}/>
+    )
+    it('should handle this.blur', () => {
+        valueEditor.input.blur = jest.fn()
+        valueEditor.blur()
+        expect(valueEditor.input.blur).toHaveBeenCalled()
+    })
+
+    it('should handle reset', () => {
+        valueEditor.reset()
+        expect(valueEditor.input.innerHTML).toEqual(
+            _.escape("<script>foo</script>")
+        )
+    })
+
+    it('should handle paste', () => {
+        let mockEvent = {
+            preventDefault: jest.fn(),
+            clipboardData: { getData: (t) => "foo content"}
+        }
+        document.execCommand = jest.fn()
+        valueEditor.onPaste(mockEvent)
+        expect(document.execCommand).toBeCalledWith('insertHTML', false, "foo content")
+    })
+
+    it('should handle mouseDown', () => {
+        window.addEventListener = jest.fn()
+        valueEditor.onMouseDown({})
+        expect(valueEditor._mouseDown).toBeTruthy()
+        expect(window.addEventListener).toBeCalledWith('mouseup', valueEditor.onMouseUp)
+    })
+
+    it('should handle mouseUp', () => {
+        window.removeEventListener = jest.fn()
+        valueEditor.onMouseUp()
+        expect(window.removeEventListener).toBeCalledWith('mouseup', valueEditor.onMouseUp)
+    })
+
+    it('should handle focus', () => {
+        let mockEvent = { clientX: 1, clientY: 2 },
+            mockSelection = {
+                rangeCount: 1,
+                getRangeAt: jest.fn( (index) => {return { selectNodeContents: jest.fn() }}),
+                removeAllRanges: jest.fn(),
+                addRange: jest.fn()
+            },
+            clearState = (v) => {
+                v._mouseDown = false
+                v._ignore_events = false
+                v.state.editable = false
+            }
+        window.getSelection = () => mockSelection
+
+        // return undefined when mouse down
+        valueEditor.onMouseDown()
+        expect(valueEditor.onFocus(mockEvent)).toEqual(undefined)
+        valueEditor.onMouseUp()
+
+        // sel.rangeCount > 0
+        valueEditor.onFocus(mockEvent)
+        expect(mockSelection.getRangeAt).toBeCalledWith(0)
+        expect(valueEditor.state.editable).toBeTruthy()
+        expect(mockSelection.removeAllRanges).toBeCalled()
+        expect(mockSelection.addRange).toBeCalled()
+        clearState(valueEditor)
+
+        // document.caretPositionFromPoint
+        mockSelection.rangeCount = 0
+        let mockRange = { setStart: jest.fn(), selectNodeContents: jest.fn() }
+
+        document.caretPositionFromPoint = jest.fn((x, y) => {
+            return { offsetNode: 0, offset: x + y}
+        })
+        document.createRange = jest.fn(() => mockRange)
+        valueEditor.onFocus(mockEvent)
+        expect(mockRange.setStart).toBeCalledWith(0, 3)
+        clearState(valueEditor)
+        document.caretPositionFromPoint = null
+
+        //document.caretRangeFromPoint
+        document.caretRangeFromPoint = jest.fn(() => mockRange)
+        valueEditor.onFocus(mockEvent)
+        expect(document.caretRangeFromPoint).toBeCalledWith(1, 2)
+        clearState(valueEditor)
+        document.caretRangeFromPoint = null
+
+        //else
+        valueEditor.onFocus(mockEvent)
+        expect(mockRange.selectNodeContents).toBeCalledWith(valueEditor.input)
+        clearState(valueEditor)
+    })
+
+    it('should handle click', () => {
+        valueEditor.onMouseUp = jest.fn()
+        valueEditor.onFocus = jest.fn()
+        valueEditor.onClick('foo')
+        expect(valueEditor.onMouseUp).toBeCalled()
+        expect(valueEditor.onFocus).toBeCalledWith('foo')
+    })
+
+    it('should handle blur', () => {
+        // return undefined
+        valueEditor._ignore_events = true
+        expect(valueEditor.onBlur({})).toEqual(undefined)
+        // else
+        valueEditor._ignore_events = false
+        valueEditor.onBlur({})
+        expect(valueEditor.state.editable).toBeFalsy()
+        expect(valueEditor.props.onDone).toBeCalledWith(valueEditor.input.textContent)
+    })
+
+    it('should handle key down', () => {
+        let mockKeyEvent = (keyCode, shiftKey=false) => {
+            return {
+                keyCode: keyCode,
+                shiftKey: shiftKey,
+                stopPropagation: jest.fn(),
+                preventDefault: jest.fn()
+            }
+        }
+        valueEditor.reset = jest.fn()
+        valueEditor.blur = jest.fn()
+        valueEditor.onKeyDown(mockKeyEvent(Key.ESC))
+        expect(valueEditor.reset).toBeCalled()
+        expect(valueEditor.blur).toBeCalled()
+        valueEditor.blur.mockReset()
+
+        valueEditor.onKeyDown(mockKeyEvent(Key.ENTER))
+        expect(valueEditor.blur).toBeCalled()
+
+        valueEditor.onKeyDown(mockKeyEvent(Key.SPACE))
+    })
+
+    it('should handle input', () => {
+        valueEditor.onInput()
+    })
+})
diff --git a/web/src/js/__tests__/components/ValueEditor/__snapshots__/ValueEditorSpec.js.snap b/web/src/js/__tests__/components/ValueEditor/__snapshots__/ValueEditorSpec.js.snap
new file mode 100644
index 00000000..91e8ee84
--- /dev/null
+++ b/web/src/js/__tests__/components/ValueEditor/__snapshots__/ValueEditorSpec.js.snap
@@ -0,0 +1,21 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`ValueEditor Component should render correctly 1`] = `
+<div
+  className="inline-input editable"
+  contentEditable={undefined}
+  dangerouslySetInnerHTML={
+    Object {
+      "__html": "foo",
+    }
+  }
+  onBlur={[Function]}
+  onClick={[Function]}
+  onFocus={[Function]}
+  onInput={[Function]}
+  onKeyDown={[Function]}
+  onMouseDown={[Function]}
+  onPaste={[Function]}
+  tabIndex={0}
+/>
+`;