@tensorflow/tfjs-core
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Hardware-accelerated JavaScript library for machine intelligence
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JavaScript
/**
* @license
* Copyright 2018 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
import { Environment } from './environment';
import { envSatisfiesConstraints, parseTestEnvFromKarmaFlags } from './jasmine_util';
describe('jasmine_util.envSatisfiesConstraints', () => {
it('ENV satisfies empty constraints', () => {
const env = new Environment({});
env.setFlags({});
const constraints = {};
const backendName = 'test-backend';
expect(envSatisfiesConstraints(env, { name: 'test', backendName }, constraints))
.toBe(true);
});
it('ENV satisfies matching flag constraints no predicate', () => {
const env = new Environment({});
env.setFlags({ 'TEST-FLAG': true });
const constraints = { flags: { 'TEST-FLAG': true } };
const backendName = 'test-backend';
expect(envSatisfiesConstraints(env, { name: 'test', backendName }, constraints))
.toBe(true);
});
it('ENV satisfies matching flag and predicate is true', () => {
const env = new Environment({});
env.setFlags({ 'TEST-FLAG': true });
const constraints = { flags: { 'TEST-FLAG': true }, predicate: () => true };
const backendName = 'test-backend';
expect(envSatisfiesConstraints(env, { name: 'test', backendName }, constraints))
.toBe(true);
});
it('ENV doesnt satisfy flags and predicate is true', () => {
const env = new Environment({});
env.setFlags({ 'TEST-FLAG': true });
const constraints = { flags: { 'TEST-FLAG': false }, predicate: () => true };
const backendName = 'test-backend';
expect(envSatisfiesConstraints(env, { name: 'test', backendName }, constraints))
.toBe(false);
});
it('ENV satisfies flags and predicate is false', () => {
const env = new Environment({});
env.setFlags({ 'TEST-FLAG': true });
const constraints = { flags: { 'TEST-FLAG': true }, predicate: () => false };
const backendName = 'test-backend';
expect(envSatisfiesConstraints(env, { name: 'test', backendName }, constraints))
.toBe(false);
});
it('ENV doesnt satiisfy flags and predicate is false', () => {
const env = new Environment({});
env.setFlags({ 'TEST-FLAG': true });
const constraints = { flags: { 'TEST-FLAG': false }, predicate: () => false };
const backendName = 'test-backend';
expect(envSatisfiesConstraints(env, { name: 'test', backendName }, constraints))
.toBe(false);
});
});
describe('jasmine_util.parseKarmaFlags', () => {
const registeredTestEnvs = [
{ name: 'test-env', backendName: 'test-backend', isDataSync: true, flags: {} }
];
it('parse empty args', () => {
const res = parseTestEnvFromKarmaFlags([], registeredTestEnvs);
expect(res).toBeNull();
});
it('--testEnv test-env --flags {"IS_NODE": true}', () => {
const res = parseTestEnvFromKarmaFlags(['--testEnv', 'test-env', '--flags', '{"IS_NODE": true}'], registeredTestEnvs);
expect(res.name).toBe('test-env');
expect(res.backendName).toBe('test-backend');
expect(res.flags).toEqual({ IS_NODE: true });
});
it('"--testEnv unknown" throws error', () => {
expect(() => parseTestEnvFromKarmaFlags(['--testEnv', 'unknown'], registeredTestEnvs))
.toThrowError();
});
it('"--flags {}" throws error since --testEnv is missing', () => {
expect(() => parseTestEnvFromKarmaFlags(['--flags', '{}'], registeredTestEnvs))
.toThrowError();
});
it('"--testEnv cpu --flags" throws error since features value is missing', () => {
expect(() => parseTestEnvFromKarmaFlags(['--testEnv', 'test-env', '--flags'], registeredTestEnvs))
.toThrowError();
});
it('"--backend cpu --flags notJson" throws error', () => {
expect(() => parseTestEnvFromKarmaFlags(['--testEnv', 'test-env', '--flags', 'notJson'], registeredTestEnvs))
.toThrowError();
});
});
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