fast-check
Version:
Property based testing framework for JavaScript (like QuickCheck)
51 lines (50 loc) • 1.85 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.IgnoreEqualValuesProperty = void 0;
const stringify_1 = require("../../utils/stringify");
const PreconditionFailure_1 = require("../precondition/PreconditionFailure");
function fromSyncCached(cachedValue) {
return cachedValue === null ? new PreconditionFailure_1.PreconditionFailure() : cachedValue;
}
function fromCached(...data) {
if (data[1])
return data[0].then(fromSyncCached);
return fromSyncCached(data[0]);
}
function fromCachedUnsafe(cachedValue, isAsync) {
return fromCached(cachedValue, isAsync);
}
class IgnoreEqualValuesProperty {
constructor(property, skipRuns) {
this.property = property;
this.skipRuns = skipRuns;
this.coveredCases = new Map();
if (this.property.runBeforeEach !== undefined && this.property.runAfterEach !== undefined) {
this.runBeforeEach = () => this.property.runBeforeEach();
this.runAfterEach = () => this.property.runAfterEach();
}
}
isAsync() {
return this.property.isAsync();
}
generate(mrng, runId) {
return this.property.generate(mrng, runId);
}
shrink(value) {
return this.property.shrink(value);
}
run(v, dontRunHook) {
const stringifiedValue = (0, stringify_1.stringify)(v);
if (this.coveredCases.has(stringifiedValue)) {
const lastOutput = this.coveredCases.get(stringifiedValue);
if (!this.skipRuns) {
return lastOutput;
}
return fromCachedUnsafe(lastOutput, this.property.isAsync());
}
const out = this.property.run(v, dontRunHook);
this.coveredCases.set(stringifiedValue, out);
return out;
}
}
exports.IgnoreEqualValuesProperty = IgnoreEqualValuesProperty;