WIP - add extractor, generate snippet_data

node_modules/gatsby/cache-dir/__tests__/error-overlay-handler.js

@@ -0,0 +1,59 @@
+import "@babel/polyfill"
+const {
+  reportError,
+  clearError,
+  errorMap,
+} = require(`../error-overlay-handler`)
+
+import * as ErrorOverlay from "react-error-overlay"
+
+jest.mock(`react-error-overlay`, () => {
+  return {
+    reportBuildError: jest.fn(),
+    dismissBuildError: jest.fn(),
+    startReportingRuntimeErrors: jest.fn(),
+    setEditorHandler: jest.fn(),
+  }
+})
+
+beforeEach(() => {
+  ErrorOverlay.reportBuildError.mockClear()
+  ErrorOverlay.dismissBuildError.mockClear()
+})
+
+describe(`errorOverlayHandler`, () => {
+  describe(`clearError()`, () => {
+    beforeEach(() => {
+      reportError(`foo`, `error`)
+      reportError(`bar`, `error`)
+    })
+    afterAll(() => {
+      clearError(`foo`)
+      clearError(`bar`)
+    })
+    it(`should clear specific error type`, () => {
+      expect(Object.keys(errorMap)).toHaveLength(2)
+      clearError(`foo`)
+      expect(Object.keys(errorMap)).toHaveLength(1)
+      expect(ErrorOverlay.dismissBuildError).not.toHaveBeenCalled()
+    })
+
+    it(`should call ErrorOverlay to dismiss build errors`, () => {
+      clearError(`foo`)
+      clearError(`bar`)
+      expect(ErrorOverlay.dismissBuildError).toHaveBeenCalled()
+    })
+  })
+  describe(`reportErrorOverlay()`, () => {
+    it(`should not add error if it's empty and not call ErrorOverlay`, () => {
+      reportError(`foo`, null)
+      expect(Object.keys(errorMap)).toHaveLength(0)
+      expect(ErrorOverlay.reportBuildError).not.toHaveBeenCalled()
+    })
+    it(`should add error if it has a truthy value and call ErrorOverlay`, () => {
+      reportError(`foo`, `bar`)
+      expect(Object.keys(errorMap)).toHaveLength(1)
+      expect(ErrorOverlay.reportBuildError).toHaveBeenCalled()
+    })
+  })
+})