jest-when - npm Package Compare versions

Comparing version 2.5.0 to 2.6.0

package.json

 {
   "name": "jest-when",
-  "version": "2.5.0",
+  "version": "2.6.0",
   "description": "An extension lib for jest",
@@ -23,3 +23,3 @@ "license": "MIT",
     "bunyan": "^1.8.12",
-    "expect": "^22.4.3"
+    "expect": "^24.8.0"
   },
@@ -33,9 +33,8 @@ "devDependencies": {
     "eslint-plugin-standard": "^3.1.0",
-    "jest": "^22.1.1",
+    "jest": "^24.8.0",
     "pre-commit": "^1.2.2",
-    "stryker": "^0.24.0",
-    "stryker-api": "^0.17.1",
-    "stryker-html-reporter": "^0.14.1",
-    "stryker-javascript-mutator": "^0.7.1",
-    "stryker-jest-runner": "^0.7.0"
+    "@stryker-mutator/core": "^2.0.0",
+    "@stryker-mutator/html-reporter": "^2.0.0",
+    "@stryker-mutator/javascript-mutator": "^2.0.0",
+    "@stryker-mutator/jest-runner": "^2.0.0"
   },
@@ -42,0 +41,0 @@ "jest": {

README.md

@@ -131,2 +131,12 @@ # jest-when
 
+#### Supports jest.spyOn:
+```javascript
+const theSpiedMethod = jest.spyOn(theInstance, 'theMethod');
+when(theSpiedMethod)
+  .calledWith(1)
+  .mockReturnValue('mock');
+const returnValue = theInstance.theMethod(1);
+expect(returnValue).toBe('mock');
+```
+
 #### Supports jest matchers:
@@ -133,0 +143,0 @@ ```javascript

src/when.js

 const assert = require('assert')
-const utils = require('expect/build/jasmine_utils')
+const utils = require('expect/build/jasmineUtils')
 const logger = require('./log')('when')
@@ -35,2 +35,3 @@
     this.callMocks = []
+    this._origMock = fn.getMockImplementation()
 
@@ -103,2 +104,8 @@ if (defaultValue.isSet) {
     this.expectCalledWith = (...matchers) => ({ ...mockFunctions(matchers, true) })
+
+    this.resetWhenMocks = () => {
+      fn.mockImplementation(fn.__whenMock__._origMock)
+      fn.__whenMock__ = undefined
+      registry.delete(fn)
+    }
   }
@@ -116,2 +123,3 @@ }
   registry.forEach(fn => {
+    fn.mockImplementation(fn.__whenMock__._origMock)
     fn.__whenMock__ = undefined
@@ -118,0 +126,0 @@ })

src/when.test.js

 const { stringContaining } = expect
 
 const errMsg = ({ expect, actual }) =>
-  new RegExp(`Expected.*\\n.*${expect}.*\\nReceived.*\\n.*${actual}`)
+  new RegExp(`Expected.*${expect}.*\\nReceived.*${actual}`)
 
@@ -10,3 +10,3 @@ describe('When', () => {
   beforeEach(() => {
-    spyEquals = jest.spyOn(require('expect/build/jasmine_utils'), 'equals')
+    spyEquals = jest.spyOn(require('expect/build/jasmineUtils'), 'equals')
 
@@ -66,2 +66,22 @@ mockLogger = {
 
+    it('reset of mocks restores original implementation', () => {
+      const fn = jest.fn(() => 'a')
+
+      when(fn).expectCalledWith(1).mockReturnValueOnce('x')
+
+      resetAllWhenMocks()
+
+      expect(fn(1)).toEqual('a')
+    })
+
+    it('allows reset of mocks for one function', () => {
+      const fn = jest.fn(() => 'a')
+
+      const mock = when(fn).expectCalledWith(1).mockReturnValueOnce('x')
+
+      mock.resetWhenMocks()
+
+      expect(fn(1)).toEqual('a')
+    })
+
     it('allows checking that all mocks were called', () => {
@@ -501,3 +521,20 @@ const fn1 = jest.fn()
     })
+
+    it('accepts a spied method:', () => {
+      class TheClass {
+        theMethod (theArgument) {
+          return 'real'
+        }
+      }
+
+      const theInstance = new TheClass()
+
+      const theSpiedMethod = jest.spyOn(theInstance, 'theMethod')
+      when(theSpiedMethod)
+        .calledWith(1)
+        .mockReturnValue('mock')
+      const returnValue = theInstance.theMethod(1)
+      expect(returnValue).toBe('mock')
+    })
   })
 })

No alert changes

Improved metrics

Total package byte prevSize

223507

increased by7.28%

Dev dependency count

12

decreased by-7.69%

Lines of code

585

increased by5.98%

Number of lines in readme file

268

increased by3.88%

Dependency changes

• + Added@jest/console@24.9.0(transitive)

• + Added@jest/source-map@24.9.0(transitive)

• + Added@jest/test-result@24.9.0(transitive)

• + Added@jest/types@24.9.0(transitive)

• + Added@types/istanbul-lib-coverage@2.0.6(transitive)

• + Added@types/istanbul-lib-report@3.0.3(transitive)

• + Added@types/istanbul-reports@1.1.2(transitive)

• + Added@types/stack-utils@1.0.1(transitive)

• + Added@types/yargs@13.0.12(transitive)

• + Added@types/yargs-parser@21.0.3(transitive)

• + Addedansi-regex@4.1.1(transitive)

• + Addedarr-diff@4.0.0(transitive)

• + Addedarr-union@3.1.0(transitive)

• + Addedarray-unique@0.3.2(transitive)

• + Addedassign-symbols@1.0.0(transitive)

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• + Addedclass-utils@0.3.6(transitive)

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• + Addedcomponent-emitter@1.3.1(transitive)

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• + Addedjest-matcher-utils@24.9.0(transitive)

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• + Addedunion-value@1.0.1(transitive)

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• - Removedarr-diff@2.0.0(transitive)

• - Removedarray-unique@0.2.1(transitive)

• - Removedbraces@1.8.5(transitive)

• - Removeddiff@3.5.0(transitive)

• - Removedexpand-brackets@0.1.5(transitive)

• - Removedexpand-range@1.8.2(transitive)

• - Removedexpect@22.4.3(transitive)

• - Removedextglob@0.3.2(transitive)

• - Removedfilename-regex@2.0.1(transitive)

• - Removedfill-range@2.2.4(transitive)

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• - Removedis-primitive@2.0.0(transitive)

• - Removedjest-diff@22.4.3(transitive)

• - Removedjest-get-type@22.4.3(transitive)

• - Removedjest-matcher-utils@22.4.3(transitive)

• - Removedjest-message-util@22.4.3(transitive)

• - Removedjest-regex-util@22.4.3(transitive)

• - Removedmath-random@1.0.4(transitive)

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• - Removedregex-cache@0.4.4(transitive)

• - Removedremove-trailing-separator@1.1.0(transitive)

• - Removedslash@1.0.0(transitive)

• Updatedexpect@^24.8.0