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Test iD.util.editDistance

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This commit is contained in:
Tom MacWright
2013-05-08 09:09:42 -04:00
parent 09c7a7833c
commit cadd50a7d5
1 changed files with 18 additions and 0 deletions
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test/spec/util.js
+18
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@@ -24,6 +24,24 @@ describe('iD.Util', function() {
expect(iD.util.getPrototypeOf(new a())).to.eql({ foo: 'foo' });
});
describe('#editDistance', function() {
it('returns zero for same strings', function() {
expect(iD.util.editDistance('foo', 'foo')).to.eql(0);
});
it('reports an insertion of 1', function() {
expect(iD.util.editDistance('foo', 'fooa')).to.eql(1);
});
it('reports a replacement of 1', function() {
expect(iD.util.editDistance('foob', 'fooa')).to.eql(1);
});
it('does not fail on empty input', function() {
expect(iD.util.editDistance('', '')).to.eql(0);
});
});
describe('#asyncMap', function() {
it('handles correct replies', function() {
iD.util.asyncMap([1, 2, 3],