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axios/test/specs/utils/merge.spec.js
T
Dmitriy Mozgovoy bdf493cf8b Axios ES2017 (#4787)
* Added AxiosHeaders class;

* Fixed README.md href;

* Fixed a potential bug with headers normalization;

* Fixed a potential bug with headers normalization;
Refactored accessor building routine;
Refactored default transforms;
Removed `normalizeHeaderName` helper;

* Added `Content-Length` accessor;
Added missed `has` accessor to TS types;

* Added `AxiosTransformStream` class;
Added progress capturing ability for node.js environment;
Added `maxRate` option to limit the data rate in node.js environment;
Refactored event handled by `onUploadProgress` && `onDownloadProgress` listeners in browser environment;
Added progress & data rate tests for the http adapter;
Added response stream aborting test;
Added a manual progress capture test for the browser;
Updated TS types;
Added TS tests;
Refactored request abort logic for the http adapter;
Added ability to abort the response stream;

* Remove `stream/promises` & `timers/promises` modules usage in tests;

* Use `abortcontroller-polyfill`;

* Fixed AxiosTransformStream dead-lock in legacy node versions;
Fixed CancelError emitting in streams;

* Reworked AxiosTransformStream internal logic to optimize memory consumption;
Added throwing an error if the request stream was silently destroying (without error) Refers to #3966;

* Treat the destruction of the request stream as a cancellation of the request;
Fixed tests;

* Emit `progress` event in the next tick;

* Initial refactoring;

* Refactored Mocha tests to use ESM;

* Refactored Karma tests to use rollup preprocessor & ESM;
Replaced grunt with gulp;
Improved dev scripts;
Added Babel for rollup build;

* Added default commonjs package export for Node build;
Added automatic contributors list generator for package.json;

Co-authored-by: Jay <jasonsaayman@gmail.com>
2022-06-18 11:19:27 +02:00

87 lines
2.2 KiB
JavaScript

import utils from '../../../lib/utils';
const {merge} = utils;
describe('utils::merge', function () {
it('should be immutable', function () {
const a = {};
const b = {foo: 123};
const c = {bar: 456};
merge(a, b, c);
expect(typeof a.foo).toEqual('undefined');
expect(typeof a.bar).toEqual('undefined');
expect(typeof b.bar).toEqual('undefined');
expect(typeof c.foo).toEqual('undefined');
});
it('should merge properties', function () {
const a = {foo: 123};
const b = {bar: 456};
const c = {foo: 789};
const d = merge(a, b, c);
expect(d.foo).toEqual(789);
expect(d.bar).toEqual(456);
});
it('should merge recursively', function () {
const a = {foo: {bar: 123}};
const b = {foo: {baz: 456}, bar: {qux: 789}};
expect(merge(a, b)).toEqual({
foo: {
bar: 123,
baz: 456
},
bar: {
qux: 789
}
});
});
it('should remove all references from nested objects', function () {
const a = {foo: {bar: 123}};
const b = {};
const d = merge(a, b);
expect(d).toEqual({
foo: {
bar: 123
}
});
expect(d.foo).not.toBe(a.foo);
});
it('handles null and undefined arguments', function () {
expect(merge(undefined, undefined)).toEqual({});
expect(merge(undefined, {foo: 123})).toEqual({foo: 123});
expect(merge({foo: 123}, undefined)).toEqual({foo: 123});
expect(merge(null, null)).toEqual({});
expect(merge(null, {foo: 123})).toEqual({foo: 123});
expect(merge({foo: 123}, null)).toEqual({foo: 123});
});
it('should replace properties with null', function () {
expect(merge({}, {a: null})).toEqual({a: null});
expect(merge({a: null}, {})).toEqual({a: null});
});
it('should replace properties with arrays', function () {
expect(merge({}, {a: [1, 2, 3]})).toEqual({a: [1, 2, 3]});
expect(merge({a: 2}, {a: [1, 2, 3]})).toEqual({a: [1, 2, 3]});
expect(merge({a: {b: 2}}, {a: [1, 2, 3]})).toEqual({a: [1, 2, 3]});
});
it('should replace properties with cloned arrays', function () {
const a = [1, 2, 3];
const d = merge({}, {a: a});
expect(d).toEqual({a: [1, 2, 3]});
expect(d.a).not.toBe(a);
});
});