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Simplify encodeUTF8/decodeUTF8 unittests

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This commit is contained in:
Samuel Mannehed 2020-01-03 10:41:34 +01:00 committed by Lauri Kasanen
parent a4c5c38b53
commit 70dd0058ac
1 changed files with 6 additions and 27 deletions
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33
kasmweb/tests/test.util.js
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@ -61,9 +61,7 @@ describe('Utils', function () {
describe('string functions', function () {
it('should decode UTF-8 to DOMString correctly', function () {
// The capital cyrillic letter 'PE' has the hexcode 'd0 9f' in UTF-8
const utf8string = String.fromCodePoint(parseInt("d0", 16),
parseInt("9f", 16));
const utf8string = '\xd0\x9f';
const domstring = decodeUTF8(utf8string);
expect(domstring).to.equal("П");
});
@ -71,32 +69,13 @@ describe('Utils', function () {
it('should encode DOMString to UTF-8 correctly', function () {
const domstring = "åäöa";
const utf8string = encodeUTF8(domstring);
// The hexcode in UTF-8 for 'å' is 'c3 a5'
expect(utf8string.codePointAt(0).toString(16)).to.equal("c3");
expect(utf8string.codePointAt(1).toString(16)).to.equal("a5");
// ä
expect(utf8string.codePointAt(2).toString(16)).to.equal("c3");
expect(utf8string.codePointAt(3).toString(16)).to.equal("a4");
// ö
expect(utf8string.codePointAt(4).toString(16)).to.equal("c3");
expect(utf8string.codePointAt(5).toString(16)).to.equal("b6");
// a
expect(utf8string.codePointAt(6).toString(16)).to.equal("61");
expect(utf8string).to.equal('\xc3\xa5\xc3\xa4\xc3\xb6\x61');
});
it('should keep the string intact if encoding to UTF-8 and then decoding', function() {
const domstring = "κόσμε";
const utf8string = encodeUTF8(domstring);
expect(decodeUTF8(utf8string)).to.equal(domstring);
});
it('should ignore URIErrors when UTF-8 decoding if allowLatin1 is set', function() {
expect(() => decodeUTF8("<22>")).to.throw(URIError);
expect(() => decodeUTF8("<22>", true)).to.not.throw(URIError);
// Only URIError should be ignored
expect(() => decodeUTF8(undefVar, true)).to.throw(Error);
it('should allow Latin-1 strings if allowLatin1 is set when decoding', function () {
const latin1string = '\xe5\xe4\xf6';
expect(() => decodeUTF8(latin1string)).to.throw(Error);
expect(decodeUTF8(latin1string, true)).to.equal('åäö');
});
});