Files
deepseek-harness/scripts/translation-prompt.spec.ts
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TypeScript

/** Regression tests for the executable translation prompt contract. */
import { describe, expect, it } from 'vitest'
import {
parseTranslationResponse,
renderTranslationPrompt,
renderTranslationResponse,
} from './translation-prompt.ts'
const document = `# Wrapper
## 模板正文
\`\`\`\`text
{{source_lang}} to {{target_lang}}
{{translation_rules}}
{{terminology}}
[English]({{source_filename}}) | [中文]({{source_filename_zh}})
\`\`\`\`
`
describe('translation prompt rendering', () => {
it('renders every supported placeholder without recursively rewriting injected rules', () => {
const rendered = renderTranslationPrompt(document, {
sourceLanguage: 'English',
sourceFilename: 'guide.md',
translationRules: 'A literal {{source_lang}} in injected rules.',
terminology: '| English | 中文 |',
})
expect(rendered).toContain('English to Chinese')
expect(rendered).toContain('A literal {{source_lang}} in injected rules.')
expect(rendered).toContain('[English](guide.md) | [中文](guide.zh.md)')
})
it('rejects a filename whose suffix contradicts the source language', () => {
expect(() => renderTranslationPrompt(document, {
sourceLanguage: 'Chinese',
sourceFilename: 'guide.md',
translationRules: 'rules',
terminology: 'terms',
})).toThrow('does not match source language Chinese')
})
it('rejects malformed template placeholders before injecting rule contents', () => {
expect(() => renderTranslationPrompt(document.replace('{{source_lang}}', '{{source-lang}}'), {
sourceLanguage: 'English',
sourceFilename: 'guide.md',
translationRules: 'A literal {{source_lang}} in injected rules.',
terminology: '| English | 中文 |',
})).toThrow('template contains malformed placeholder syntax')
})
})
describe('translation response XML', () => {
it('round-trips Markdown and the CDATA terminator', () => {
const response = {
translation: '# Draft\n\nA ]]> marker.',
review: '- [Tone] Fixed.',
final: '# Final\n\nA ]]> marker.',
}
expect(parseTranslationResponse(renderTranslationResponse(response))).toEqual(response)
})
it('rejects missing, reordered, nested, attributed, or non-CDATA children', () => {
expect(() => parseTranslationResponse('<dsh-translation-response version="1"/>')).toThrow('translation, review, and final')
expect(() => parseTranslationResponse('<dsh-translation-response version="1"><review><![CDATA[x]]></review></dsh-translation-response>'))
.toThrow('expected translation, got review')
expect(() => parseTranslationResponse(renderTranslationResponse({ translation: 'x', review: 'y', final: 'z' })
.replace('<translation><![CDATA[x]]></translation>', '<translation><b><![CDATA[x]]></b></translation>')))
.toThrow('nested element b is not allowed')
expect(() => parseTranslationResponse(renderTranslationResponse({ translation: 'x', review: 'y', final: 'z' }).replace('<review>', '<review lang="en">')))
.toThrow('review must not have attributes')
expect(() => parseTranslationResponse(renderTranslationResponse({ translation: 'x', review: 'y', final: 'z' }).replace('<![CDATA[x]]>', 'x')))
.toThrow('all response field content must be inside CDATA')
})
})