test('tollerate extra new-lines', function(assert) {
let headersString = CRLF + 'foo: bar';
let headers = parseResponseHeaders(headersString);
assert.deepEqual(headers['foo'], 'bar', 'parses basic header pair');
assert.equal(Object.keys(headers).length, 1, 'only has the one valid header');
});
test('field-name parsing', function(assert) {
let headersString = [
' name-with-leading-whitespace: some value',
'name-with-whitespace-before-colon : another value'
].join(CRLF);
let headers = parseResponseHeaders(headersString);
assert.equal(headers['name-with-leading-whitespace'], 'some value', 'strips leading whitespace from field-name');
assert.equal(headers['name-with-whitespace-before-colon'], 'another value', 'strips whitespace before colon from field-name');
});
test('ignores headers that do not contain a colon', function(assert) {
let headersString = [
'Content-Encoding: gzip',
'I am ignored because I do not contain a colon',
'apple: pie'
].join(CRLF);
let headers = parseResponseHeaders(headersString);
assert.deepEqual(headers['Content-Encoding'], 'gzip', 'parses basic header pair');
assert.deepEqual(headers['apple'], 'pie', 'parses basic header pair');
assert.equal(Object.keys(headers).length, 2, 'only has the one valid header');
});
test('header parsing', function(assert) {
let headersString = [
'Content-Encoding: gzip',
'content-type: application/json; charset=utf-8',
'date: Fri, 05 Feb 2016 21:47:56 GMT'
].join(CRLF);
let headers = parseResponseHeaders(headersString);
assert.equal(headers['Content-Encoding'], 'gzip', 'parses basic header pair');
assert.equal(headers['content-type'], 'application/json; charset=utf-8', 'parses header with complex value');
assert.equal(headers['date'], 'Fri, 05 Feb 2016 21:47:56 GMT', 'parses header with date value');
});
test('field-value parsing', function(assert) {
let headersString = [
'value-with-leading-space: value with leading whitespace',
'value-without-leading-space:value without leading whitespace',
'value-with-colon: value with: a colon',
'value-with-trailing-whitespace: banana '
].join(CRLF);
let headers = parseResponseHeaders(headersString);
assert.equal(headers['value-with-leading-space'], 'value with leading whitespace', 'strips leading whitespace in field-value');
assert.equal(headers['value-without-leading-space'], 'value without leading whitespace', 'works without leaading whitespace in field-value');
assert.equal(headers['value-with-colon'], 'value with: a colon', 'has correct value when value contains a colon');
assert.equal(headers['value-with-trailing-whitespace'], 'banana', 'strips trailing whitespace from field-value');
});
test('returns an NULL Object when headersString is undefined', function(assert) {
let headers = parseResponseHeaders(undefined);
assert.deepEqual(headers, Object.create(null), 'NULL Object is returned');
});