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headers.spec.js
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headers.spec.js
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import assert from "assert";
const {AxiosHeaders} = axios;
function testHeaderValue(headers, key, val) {
let found = false;
for (const k in headers) {
if (k.toLowerCase() === key.toLowerCase()) {
found = true;
expect(headers[k]).toEqual(val);
break;
}
}
if (!found) {
if (typeof val === 'undefined') {
expect(headers.hasOwnProperty(key)).toEqual(false);
} else {
throw new Error(key + ' was not found in headers');
}
}
}
describe('headers', function () {
beforeEach(function () {
jasmine.Ajax.install();
});
afterEach(function () {
jasmine.Ajax.uninstall();
});
it('should default common headers', function (done) {
const headers = axios.defaults.headers.common;
axios('/foo');
getAjaxRequest().then(function (request) {
for (const key in headers) {
if (headers.hasOwnProperty(key)) {
expect(request.requestHeaders[key]).toEqual(headers[key]);
}
}
done();
});
});
it('should respect common Content-Type header', function () {
const instance = axios.create();
instance.defaults.headers.common['Content-Type'] = 'application/custom';
instance.patch('/foo', "");
const expectedHeaders = {
'Content-Type': "application/custom"
};
return getAjaxRequest().then(function (request) {
for (const key in expectedHeaders) {
if (expectedHeaders.hasOwnProperty(key)) {
expect(request.requestHeaders[key]).toEqual(expectedHeaders[key]);
}
}
});
});
it('should add extra headers for post', function () {
const headers = AxiosHeaders.from(axios.defaults.headers.common).toJSON();
axios.post('/foo', 'fizz=buzz');
return getAjaxRequest().then(function (request) {
for (const key in headers) {
expect(request.requestHeaders[key]).toEqual(headers[key]);
}
});
});
it('should reset headers by null or explicit undefined', function (done) {
axios.create({
headers: {
common: {
'x-header-a': 'a',
'x-header-b': 'b',
'x-header-c': 'c'
}
}
}).post('/foo', {fizz: 'buzz'}, {
headers: {
'Content-Type': null,
'x-header-a': null,
'x-header-b': undefined
}
}).catch(function (err) {
done(err);
});
getAjaxRequest().then(function (request) {
testHeaderValue(request.requestHeaders, 'Content-Type', undefined);
testHeaderValue(request.requestHeaders, 'x-header-a', undefined);
testHeaderValue(request.requestHeaders, 'x-header-b', undefined);
testHeaderValue(request.requestHeaders, 'x-header-c', 'c');
done();
}).catch(done);
});
it('should use application/json when posting an object', function (done) {
axios.post('/foo/bar', {
firstName: 'foo',
lastName: 'bar'
});
getAjaxRequest().then(function (request) {
testHeaderValue(request.requestHeaders, 'Content-Type', 'application/json');
done();
});
});
it('should remove content-type if data is empty', function (done) {
axios.post('/foo');
getAjaxRequest().then(function (request) {
testHeaderValue(request.requestHeaders, 'Content-Type', undefined);
done();
});
});
it('should preserve content-type if data is false', async function () {
axios.post('/foo', false);
await getAjaxRequest().then(function (request) {
testHeaderValue(request.requestHeaders, 'Content-Type', 'application/x-www-form-urlencoded');
});
});
it('should allow an AxiosHeaders instance to be used as the value of the headers option', async ()=> {
const instance = axios.create({
headers: new AxiosHeaders({
xFoo: 'foo',
xBar: 'bar'
})
});
instance.get('/foo', {
headers: {
XFOO: 'foo2',
xBaz: 'baz'
}
});
await getAjaxRequest().then(function (request) {
expect(request.requestHeaders.xFoo).toEqual('foo2');
expect(request.requestHeaders.xBar).toEqual('bar');
expect(request.requestHeaders.xBaz).toEqual('baz');
expect(request.requestHeaders.XFOO).toEqual(undefined);
});
});
});