Implement toMatchDiffSnapshot jest matcher.
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| // Jest Snapshot v1, https://goo.gl/fbAQLP | ||
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| exports[`foo 1`] = ` | ||
| "- First value | ||
| + Second value | ||
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| some | ||
| some | ||
| some | ||
| some | ||
| not | ||
| + so | ||
| very | ||
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| script" | ||
| `; | ||
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| exports[`proxies "colors" option(s) 1`] = ` | ||
| "[32m- First value[39m | ||
| [31m+ Second value[39m | ||
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| [33m@@ -5,8 +5,9 @@[39m | ||
| [33m[39m[2m some[22m | ||
| [2m some[22m | ||
| [2m some[22m | ||
| [2m some[22m | ||
| [2m not[22m | ||
| [31m+ so[39m | ||
| [2m very[22m | ||
| [2m long[22m | ||
| [2m script[22m" | ||
| `; | ||
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| exports[`proxies "contextLines" option(s) 1`] = ` | ||
| "- First value | ||
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| @@ -10,0 +10,1 @@ | ||
| + so" | ||
| `; | ||
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| exports[`proxies "expand" option(s) 1`] = ` | ||
| "- First value | ||
| + Second value | ||
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| some | ||
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| some | ||
| not | ||
| + so | ||
| very | ||
| long | ||
| script" | ||
| `; |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,12 @@ | ||
| test('public api', () => { | ||
| const index = require('../src/index'); | ||
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| expect(index).toBeInstanceOf(Function); | ||
| expect(index.snapshotDiff).toBe(index); | ||
| expect(index.toMatchDiffSnapshot).toBeInstanceOf(Function); | ||
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| const { snapshotDiff, toMatchDiffSnapshot } = require('../src/index'); | ||
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| expect(snapshotDiff).toBe(index); | ||
| expect(toMatchDiffSnapshot).toBe(index.toMatchDiffSnapshot); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| // @flow | ||
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| const snapshotDiff = require('../src/index'); | ||
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| const a = ` | ||
| some | ||
| some | ||
| some | ||
| some | ||
| some | ||
| some | ||
| some | ||
| not | ||
| very | ||
| long | ||
| script | ||
| `; | ||
| const b = ` | ||
| some | ||
| some | ||
| some | ||
| some | ||
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| some | ||
| some | ||
| not | ||
| so | ||
| very | ||
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| `; | ||
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| beforeAll(() => { | ||
| expect.extend({ toMatchDiffSnapshot: snapshotDiff.toMatchDiffSnapshot }); | ||
| }); | ||
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| test('foo', () => { | ||
| expect(a).toMatchDiffSnapshot(b); | ||
| }); | ||
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There was a problem hiding this comment. Can you also make Flow happy? I'm fine with adding |
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| [ | ||
| { expand: true }, | ||
| { colors: true }, | ||
| { contextLines: 0 }, | ||
| ].forEach((options: any) => { | ||
| test(`proxies "${Object.keys(options).join(', ')}" option(s)`, () => { | ||
| expect(a).toMatchDiffSnapshot(b, options); | ||
| }); | ||
| }); | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,13 @@ | ||
| /// <reference types="jest"/> | ||
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There was a problem hiding this comment. I'm not sure. I took jest-immutable-matchers/index.d.ts as an example cause it was working without any configuration with my IDE. There was a problem hiding this comment. It's still in docs |
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| type DiffOptions = { | ||
| expand?: boolean, | ||
| colors?: boolean, | ||
| contextLines?: number, | ||
| }; | ||
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| declare namespace jest { | ||
| interface Matchers { | ||
| toMatchDiffSnapshot(valueB: any, options?: DiffOptions): boolean | ||
| } | ||
| } | ||
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test('works with default options', () => {})