wehub-resource-sync
79 lines
2.7 KiB
TypeScript
79 lines
2.7 KiB
TypeScript
import { describe, expect, it } from 'vitest'
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import { ToonDecodeError } from '../../toon/src/index'
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import { formatError } from '../src/format-error'
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describe('formatError', () => {
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it('renders a decode error with line and source as a header, source line, and caret', () => {
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const error = new ToonDecodeError(
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'Tabs are not allowed in indentation in strict mode',
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{ line: 2, source: '\tb: 1' },
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)
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const output = formatError(error, { isVerbose: false })
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expect(output).toBe(
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'Failed to decode TOON at line 2: Tabs are not allowed in indentation in strict mode\n'
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+ '\n'
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+ ' 2 | →b: 1\n'
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+ ' ^',
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)
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})
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it('renders a decode error without source as a header only', () => {
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const error = new ToonDecodeError('Something went wrong', { line: 5 })
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const output = formatError(error, { isVerbose: false })
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expect(output).toBe('Failed to decode TOON at line 5: Something went wrong')
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})
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it('appends the cause chain under verbose mode', () => {
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const cause = new SyntaxError('Unterminated string: missing closing quote')
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const error = new ToonDecodeError(
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'Unterminated string: missing closing quote',
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{ line: 2, source: 'greeting: "hello', cause },
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)
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const output = formatError(error, { isVerbose: true })
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expect(output).toContain('Failed to decode TOON at line 2:')
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expect(output).toContain(' 2 | greeting: "hello')
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expect(output).toContain('Caused by: SyntaxError: Unterminated string: missing closing quote')
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})
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it('appends the stack trace under verbose mode and omits it otherwise', () => {
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const error = new ToonDecodeError('Boom', { line: 1, source: 'x' })
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error.stack = 'ToonDecodeError: Line 1: Boom\n at fakeFrame (file.ts:1:1)'
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const verbose = formatError(error, { isVerbose: true })
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const quiet = formatError(error, { isVerbose: false })
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expect(verbose).toContain('at fakeFrame (file.ts:1:1)')
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expect(quiet).not.toContain('at fakeFrame')
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})
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it('renders a generic Error as its message only when not verbose', () => {
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const error = new Error('something went wrong')
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const output = formatError(error, { isVerbose: false })
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expect(output).toBe('Error: something went wrong')
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})
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it('places the caret under the first non-whitespace character of the source line', () => {
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const error = new ToonDecodeError(
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'Indentation must be exact multiple of 2, but found 3 spaces',
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{ line: 2, source: ' b: 1' },
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)
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const output = formatError(error, { isVerbose: false })
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expect(output).toBe(
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'Failed to decode TOON at line 2: Indentation must be exact multiple of 2, but found 3 spaces\n'
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+ '\n'
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+ ' 2 | b: 1\n'
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+ ' ^',
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)
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})
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})
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