testdouble
Version:
A minimal test double library for TDD with JavaScript
31 lines (30 loc) • 1.32 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const lodash_1 = require("./wrap/lodash");
const is_matcher_1 = require("./matchers/is-matcher");
exports.default = (expectedArgs, actualArgs, config = {}) => {
if (arityMismatch(expectedArgs, actualArgs, config)) {
return false;
}
else if (config.allowMatchers !== false) {
return equalsWithMatchers(expectedArgs, actualArgs);
}
else {
return lodash_1.default.isEqual(expectedArgs, actualArgs);
}
};
const arityMismatch = (expectedArgs, actualArgs, config) => expectedArgs.length !== actualArgs.length && !config.ignoreExtraArgs;
const equalsWithMatchers = (expectedArgs, actualArgs) => lodash_1.default.every(expectedArgs, (expectedArg, key) => argumentMatchesExpectation(expectedArg, actualArgs[key]));
const argumentMatchesExpectation = (expectedArg, actualArg) => {
if ((0, is_matcher_1.default)(expectedArg)) {
return matcherTestFor(expectedArg)(actualArg);
}
else {
return lodash_1.default.isEqualWith(expectedArg, actualArg, (expectedEl, actualEl) => {
if ((0, is_matcher_1.default)(expectedEl)) {
return matcherTestFor(expectedEl)(actualEl);
}
});
}
};
const matcherTestFor = (matcher) => matcher.__matches;