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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| { | ||
| "semi": false, | ||
| "singleQuote": true, | ||
| "tabWidth": 2, | ||
| "trailingComma": "none", | ||
| "arrowParens": "avoid" | ||
| } |
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Learn more about bidirectional Unicode characters
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,106 +1,106 @@ | ||
| import thunkMiddleware from '../src/index'; | ||
| import thunkMiddleware from '../src/index' | ||
|
|
||
| describe('thunk middleware', () => { | ||
| const doDispatch = () => {}; | ||
| const doGetState = () => 42; | ||
| const doDispatch = () => {} | ||
| const doGetState = () => 42 | ||
| const nextHandler = thunkMiddleware({ | ||
| dispatch: doDispatch, | ||
| getState: doGetState, | ||
| }); | ||
| getState: doGetState | ||
| }) | ||
|
|
||
| it('must return a function to handle next', () => { | ||
| expect(nextHandler).toBeInstanceOf(Function) | ||
| expect(nextHandler.length).toBe(1) | ||
| }); | ||
| }) | ||
|
|
||
| describe('handle next', () => { | ||
| it('must return a function to handle action', () => { | ||
| // @ts-ignore | ||
| const actionHandler = nextHandler(); | ||
| const actionHandler = nextHandler() | ||
|
|
||
| expect(actionHandler).toBeInstanceOf(Function) | ||
| expect(actionHandler.length).toBe(1) | ||
| }); | ||
| }) | ||
|
|
||
| describe('handle action', () => { | ||
| it('must run the given action function with dispatch and getState', (done) => { | ||
| it('must run the given action function with dispatch and getState', done => { | ||
| // @ts-ignore | ||
| const actionHandler = nextHandler(); | ||
| const actionHandler = nextHandler() | ||
|
|
||
| actionHandler((dispatch: any, getState: any) => { | ||
| expect(dispatch).toBe(doDispatch) | ||
| expect(getState).toBe(doGetState) | ||
| done(); | ||
| }); | ||
| }); | ||
| done() | ||
| }) | ||
| }) | ||
|
|
||
| it('must pass action to next if not a function', (done) => { | ||
| const actionObj = {}; | ||
| it('must pass action to next if not a function', done => { | ||
| const actionObj = {} | ||
|
|
||
| // @ts-ignore | ||
| const actionHandler = nextHandler((action) => { | ||
| const actionHandler = nextHandler(action => { | ||
| expect(action).toBe(actionObj) | ||
| done(); | ||
| }); | ||
| done() | ||
| }) | ||
|
|
||
| actionHandler(actionObj); | ||
| }); | ||
| actionHandler(actionObj) | ||
| }) | ||
|
|
||
| it('must return the return value of next if not a function', () => { | ||
| const expected = 'redux'; | ||
| const expected = 'redux' | ||
| // @ts-ignore | ||
| const actionHandler = nextHandler(() => expected); | ||
| const actionHandler = nextHandler(() => expected) | ||
|
|
||
| // @ts-ignore | ||
| const outcome = actionHandler(); | ||
| const outcome = actionHandler() | ||
| expect(outcome).toBe(expected) | ||
| }); | ||
| }) | ||
|
|
||
| it('must return value as expected if a function', () => { | ||
| const expected = 'rocks'; | ||
| const expected = 'rocks' | ||
| // @ts-ignore | ||
| const actionHandler = nextHandler(); | ||
| const actionHandler = nextHandler() | ||
|
|
||
| const outcome = actionHandler(() => expected); | ||
| const outcome = actionHandler(() => expected) | ||
| expect(outcome).toBe(expected) | ||
| }); | ||
| }) | ||
|
|
||
| it('must be invoked synchronously if a function', () => { | ||
| // @ts-ignore | ||
| const actionHandler = nextHandler(); | ||
| let mutated = 0; | ||
| const actionHandler = nextHandler() | ||
| let mutated = 0 | ||
|
|
||
| // eslint-disable-next-line no-plusplus | ||
| actionHandler(() => mutated++); | ||
| actionHandler(() => mutated++) | ||
| expect(mutated).toBe(1) | ||
| }); | ||
| }); | ||
| }); | ||
| }) | ||
| }) | ||
| }) | ||
|
|
||
| describe('handle errors', () => { | ||
| it('must throw if argument is non-object', (done) => { | ||
| it('must throw if argument is non-object', done => { | ||
| try { | ||
| // @ts-expect-error | ||
| thunkMiddleware(); | ||
| thunkMiddleware() | ||
| } catch (err) { | ||
| done(); | ||
| done() | ||
| } | ||
| }); | ||
| }); | ||
| }) | ||
| }) | ||
|
|
||
| describe('withExtraArgument', () => { | ||
| it('must pass the third argument', (done) => { | ||
| const extraArg = { lol: true }; | ||
| it('must pass the third argument', done => { | ||
| const extraArg = { lol: true } | ||
| // @ts-ignore | ||
| thunkMiddleware.withExtraArgument(extraArg)({ | ||
| dispatch: doDispatch, | ||
| getState: doGetState, | ||
| getState: doGetState | ||
| })()((dispatch: any, getState: any, arg: any) => { | ||
| expect(dispatch).toBe(doDispatch) | ||
| expect(getState).toBe(doGetState) | ||
| expect(arg).toBe(extraArg) | ||
| done(); | ||
| }); | ||
| }); | ||
| }); | ||
| }); | ||
| done() | ||
| }) | ||
| }) | ||
| }) | ||
| }) |
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