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manager.ts
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manager.ts
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import { basename, dirname, isAbsolute, join, resolve } from 'pathe'
import type { SnapshotResult, SnapshotStateOptions, SnapshotSummary } from './types'
export class SnapshotManager {
summary: SnapshotSummary = undefined!
extension = '.snap'
constructor(public options: Omit<SnapshotStateOptions, 'snapshotEnvironment'>) {
this.clear()
}
clear() {
this.summary = emptySummary(this.options)
}
add(result: SnapshotResult) {
addSnapshotResult(this.summary, result)
}
resolvePath(testPath: string) {
const resolver = this.options.resolveSnapshotPath || (() => {
return join(
join(
dirname(testPath), '__snapshots__'),
`${basename(testPath)}${this.extension}`,
)
})
return resolver(testPath, this.extension)
}
resolveRawPath(testPath: string, rawPath: string) {
return isAbsolute(rawPath)
? rawPath
: resolve(dirname(testPath), rawPath)
}
}
export function emptySummary(options: Omit<SnapshotStateOptions, 'snapshotEnvironment'>): SnapshotSummary {
const summary = {
added: 0,
failure: false,
filesAdded: 0,
filesRemoved: 0,
filesRemovedList: [],
filesUnmatched: 0,
filesUpdated: 0,
matched: 0,
total: 0,
unchecked: 0,
uncheckedKeysByFile: [],
unmatched: 0,
updated: 0,
didUpdate: options.updateSnapshot === 'all',
}
return summary
}
export function addSnapshotResult(summary: SnapshotSummary, result: SnapshotResult): void {
if (result.added)
summary.filesAdded++
if (result.fileDeleted)
summary.filesRemoved++
if (result.unmatched)
summary.filesUnmatched++
if (result.updated)
summary.filesUpdated++
summary.added += result.added
summary.matched += result.matched
summary.unchecked += result.unchecked
if (result.uncheckedKeys && result.uncheckedKeys.length > 0) {
summary.uncheckedKeysByFile.push({
filePath: result.filepath,
keys: result.uncheckedKeys,
})
}
summary.unmatched += result.unmatched
summary.updated += result.updated
summary.total += result.added + result.matched + result.unmatched + result.updated
}