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- Move test helpers into dev/ directory
- Delete test output directory after every test - Add test output directories to gitignore - Add npm-debug.log to gitignore template
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -2,3 +2,4 @@ target | |
| index.node | ||
| **/node_modules | ||
| **/.DS_Store | ||
| npm-debug.log* | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| import { ChildProcess } from 'child_process'; | ||
| import { PassThrough, Readable, Writable } from 'stream'; | ||
| import { StringDecoder } from 'string_decoder'; | ||
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| function readChunks(input: Readable): Readable { | ||
| let output = new PassThrough({ objectMode: true }); | ||
| let decoder = new StringDecoder('utf8'); | ||
| input.on('data', data => { | ||
| output.write(decoder.write(data)); | ||
| }); | ||
| input.on('close', () => { | ||
| output.write(decoder.end()); | ||
| output.destroy(); | ||
| }); | ||
| return output; | ||
| } | ||
|
|
||
| function splitLines(s: string): string[] { | ||
| return s.split(/([^\n]*\r?\n)/).filter(x => x); | ||
| } | ||
|
|
||
| function isCompleteLine(s: string): boolean { | ||
| return s.endsWith('\n'); | ||
| } | ||
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| class LinesBuffer { | ||
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| // INVARIANT: (this.buffer.length > 0) && | ||
| // !isCompleteLine(this.buffer[this.buffer.length - 1]) | ||
| // In other words, the last line in the buffer is always incomplete. | ||
| private buffer: string[]; | ||
|
|
||
| constructor() { | ||
| this.buffer = [""]; | ||
| } | ||
|
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| add(lines: string[]) { | ||
| if (isCompleteLine(lines[lines.length - 1])) { | ||
| lines.push(""); | ||
| } | ||
| this.buffer[this.buffer.length - 1] += lines.shift(); | ||
| this.buffer = this.buffer.concat(lines); | ||
| } | ||
|
|
||
| find(p: (s: string) => boolean): string[] | null { | ||
| let index = this.buffer.findIndex(p); | ||
| if (index === -1) { | ||
| return null; | ||
| } | ||
| let extracted = this.buffer.splice(0, index + 1); | ||
| if (this.buffer.length === 0) { | ||
| this.buffer.push(""); | ||
| } | ||
| return extracted; | ||
| } | ||
| } | ||
|
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||
| async function* run(script: Record<string, string>, stdin: Writable, stdout: Readable) { | ||
| let lines = new LinesBuffer(); | ||
|
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||
| let keys = Object.keys(script); | ||
| let i = 0; | ||
| for await (let chunk of readChunks(stdout)) { | ||
| lines.add(splitLines(chunk)); | ||
| let found = lines.find(line => line.startsWith(keys[i])); | ||
| if (found) { | ||
| stdin.write(script[keys[i]] + "\n"); | ||
| yield found; | ||
| i++; | ||
| if (i >= keys.length) { | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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||
| function exit(child: ChildProcess): Promise<number | null> { | ||
| let resolve: (code: number | null) => void; | ||
| let result: Promise<number | null> = new Promise(res => { resolve = res; }); | ||
| child.on('exit', code => { | ||
| resolve(code); | ||
| }); | ||
| return result; | ||
| } | ||
|
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| export default async function expect(child: ChildProcess, script: Record<string, string>): Promise<number | null> { | ||
| for await (let _ of run(script, child.stdin!, child.stdout!)) { } | ||
|
|
||
| return await exit(child); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -21,6 +21,7 @@ | |
| }, | ||
| "include": [ | ||
| "src/**/*", | ||
| "dev/**/*", | ||
| "test/**/*" | ||
| ], | ||
| "exclude": [ | ||
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||