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fixup: improve debug logging and testing
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,182 @@ | ||
| import { vi, describe, expect, it } from 'vitest' | ||
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| import * as subject from '../src/vitest-when.ts' | ||
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| const DEBUG_OPTIONS = { log: false } | ||
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| describe('vitest-when debug', () => { | ||
| it('debugs a non-stubbed spy', () => { | ||
| const spy = vi.fn() | ||
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| const result = subject.debug(spy, DEBUG_OPTIONS) | ||
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| expect(result).toEqual({ | ||
| name: 'spy', | ||
| stubbings: [], | ||
| unmatchedCalls: [], | ||
| description: expect.stringContaining( | ||
| '0 stubbings with 0 calls', | ||
| ) as string, | ||
| }) | ||
| }) | ||
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| it('debugs uncalled stubbings', () => { | ||
| const spy = vi.fn() | ||
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| subject.when(spy).calledWith('hello', 'world').thenReturn(42) | ||
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| const result = subject.debug(spy, DEBUG_OPTIONS) | ||
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| expect(result).toEqual({ | ||
| name: 'spy', | ||
| stubbings: [ | ||
| { | ||
| args: ['hello', 'world'], | ||
| behavior: { type: 'return', value: 42 }, | ||
| calls: [], | ||
| }, | ||
| ], | ||
| unmatchedCalls: [], | ||
| description: expect.stringContaining('1 stubbing with 0 calls') as string, | ||
| }) | ||
| }) | ||
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| it('debugs called stubbings', () => { | ||
| const spy = vi.fn() | ||
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| subject.when(spy).calledWith(expect.any(String)).thenReturn(42) | ||
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| spy('hello') | ||
| spy('world') | ||
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| const result = subject.debug(spy, DEBUG_OPTIONS) | ||
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| expect(result).toMatchObject({ | ||
| name: 'spy', | ||
| stubbings: [ | ||
| { | ||
| args: [expect.any(String)], | ||
| behavior: { type: 'return', value: 42 }, | ||
| calls: [['hello'], ['world']], | ||
| }, | ||
| ], | ||
| unmatchedCalls: [], | ||
| description: expect.stringContaining('1 stubbing with 2 calls') as string, | ||
| }) | ||
| }) | ||
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| it('debugs unmatched calls', () => { | ||
| const spy = vi.fn() | ||
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| subject.when(spy).calledWith(expect.any(String)).thenReturn(42) | ||
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| spy(1234) | ||
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| const result = subject.debug(spy, DEBUG_OPTIONS) | ||
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| expect(result).toMatchObject({ | ||
| name: 'spy', | ||
| stubbings: [ | ||
| { | ||
| args: [expect.any(String)], | ||
| behavior: { type: 'return', value: 42 }, | ||
| calls: [], | ||
| }, | ||
| ], | ||
| unmatchedCalls: [[1234]], | ||
| description: expect.stringContaining('1 unmatched call') as string, | ||
| }) | ||
| }) | ||
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| it('describes thenReturn stubbings', () => { | ||
| const spy = vi.fn() | ||
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| subject.when(spy).calledWith('hello', 'world').thenReturn(42) | ||
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| const result = subject.debug(spy, DEBUG_OPTIONS) | ||
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| expect(result.description).toMatch('("hello", "world") => 42') | ||
| }) | ||
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| it('describes thenResolve stubbings', () => { | ||
| const spy = vi.fn() | ||
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| subject.when(spy).calledWith('hello', 'world').thenResolve(42) | ||
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| const result = subject.debug(spy, DEBUG_OPTIONS) | ||
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| expect(result.description).toMatch( | ||
| '("hello", "world") => Promise.resolve(42)', | ||
| ) | ||
| }) | ||
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| it('describes thenThrow stubbings', () => { | ||
| const spy = vi.fn() | ||
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| subject.when(spy).calledWith('hello', 'world').thenThrow(new Error('oh no')) | ||
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| const result = subject.debug(spy, DEBUG_OPTIONS) | ||
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| expect(result.description).toMatch( | ||
| '("hello", "world") => { throw [Error: oh no] }', | ||
| ) | ||
| }) | ||
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| it('describes thenReject stubbings', () => { | ||
| const spy = vi.fn() | ||
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| subject | ||
| .when(spy) | ||
| .calledWith('hello', 'world') | ||
| .thenReject(new Error('oh no')) | ||
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| const result = subject.debug(spy, DEBUG_OPTIONS) | ||
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| expect(result.description).toMatch( | ||
| '("hello", "world") => Promise.reject([Error: oh no])', | ||
| ) | ||
| }) | ||
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| it('describes thenDo stubbings', () => { | ||
| const spy = vi.fn() | ||
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| subject | ||
| .when(spy) | ||
| .calledWith('hello', 'world') | ||
| .thenDo(() => 42) | ||
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| const result = subject.debug(spy, DEBUG_OPTIONS) | ||
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| expect(result.description).toMatch( | ||
| '("hello", "world") => [Function anonymous]()', | ||
| ) | ||
| }) | ||
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| it('describes calls with non-JSONifiable objects', () => { | ||
| const spy = vi.fn() | ||
| const value = { | ||
| toJSON() { | ||
| throw new Error('oh no') | ||
| }, | ||
| } | ||
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| spy(value) | ||
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| const result = subject.debug(spy, DEBUG_OPTIONS) | ||
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| expect(result.description).toMatch('({"toJSON": [Function toJSON]})') | ||
| }) | ||
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| it('describes calls with long values', () => { | ||
| const spy = vi.fn() | ||
| const longString = Array.from({ length: 1001 }).join('x') | ||
| const value = Array.from({ length: 100 }) | ||
| value.fill(longString) | ||
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| spy(value) | ||
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| const result = subject.debug(spy, DEBUG_OPTIONS) | ||
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| expect(result.description).toMatch(/\(\["x.+, …\]\)/u) | ||
| }) | ||
| }) |
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