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'use strict';
const {
ArrayPrototypePush,
ArrayPrototypeShift,
Symbol,
} = primordials;
const Readable = require('internal/streams/readable');
const kEmitMessage = Symbol('kEmitMessage');
class TestsStream extends Readable {
#buffer;
#canPush;
constructor() {
super({ objectMode: true });
this.#buffer = [];
this.#canPush = true;
}
_read() {
this.#canPush = true;
while (this.#buffer.length > 0) {
const obj = ArrayPrototypeShift(this.#buffer);
if (!this.#tryPush(obj)) {
return;
}
}
}
fail(nesting, file, testNumber, name, details, directive) {
this[kEmitMessage]('test:fail', { __proto__: null, name, nesting, file, testNumber, details, ...directive });
}
ok(nesting, file, testNumber, name, details, directive) {
this[kEmitMessage]('test:pass', { __proto__: null, name, nesting, file, testNumber, details, ...directive });
}
plan(nesting, file, count) {
this[kEmitMessage]('test:plan', { __proto__: null, nesting, file, count });
}
getSkip(reason = undefined) {
return { __proto__: null, skip: reason ?? true };
}
getTodo(reason = undefined) {
return { __proto__: null, todo: reason ?? true };
}
start(nesting, file, name) {
this[kEmitMessage]('test:start', { __proto__: null, nesting, file, name });
}
diagnostic(nesting, file, message) {
this[kEmitMessage]('test:diagnostic', { __proto__: null, nesting, file, message });
}
coverage(nesting, file, summary) {
this[kEmitMessage]('test:coverage', { __proto__: null, nesting, file, summary });
}
end() {
this.#tryPush(null);
}
[kEmitMessage](type, data) {
this.emit(type, data);
this.#tryPush({ type, data });
}
#tryPush(message) {
if (this.#canPush) {
this.#canPush = this.push(message);
} else {
ArrayPrototypePush(this.#buffer, message);
}
return this.#canPush;
}
}
module.exports = { TestsStream, kEmitMessage };
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