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Preserve existing non-tag classes

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This commit is contained in:
John Firebaugh
2013-01-07 21:17:49 -08:00
parent b6beed5606
commit f8e2dfb9ce
3 changed files with 70 additions and 31 deletions
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test/spec/renderer/style.js
+38 -12
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@@ -16,22 +16,48 @@ describe('iD.Style', function() {
});
describe('#styleClasses', function() {
it('returns an empty string when no classes are present', function() {
var classes = iD.Style.styleClasses(''),
entity = iD.Entity();
expect(classes(entity)).to.equal('');
var selection;
beforeEach(function () {
selection = d3.select(document.createElement('div'));
});
it('returns a string containing predefined classes', function() {
var classes = iD.Style.styleClasses('selected'),
entity = iD.Entity();
expect(classes(entity)).to.equal('selected');
it('adds no classes to elements whose datum has no tags', function() {
selection
.datum(iD.Entity())
.call(iD.Style.styleClasses());
expect(selection.attr('class')).to.equal('');
});
it('returns a string containing classes for highway tags', function() {
var classes = iD.Style.styleClasses(''),
entity = iD.Entity({tags: {highway: 'primary'}});
expect(classes(entity)).to.equal('tag-highway tag-highway-primary');
it('adds classes for highway tags', function() {
selection
.datum(iD.Entity({tags: {highway: 'primary'}}))
.call(iD.Style.styleClasses());
expect(selection.attr('class')).to.equal('tag-highway tag-highway-primary');
});
it('removes classes for tags that are no longer present', function() {
selection
.attr('class', 'tag-highway tag-highway-primary')
.datum(iD.Entity())
.call(iD.Style.styleClasses());
expect(selection.attr('class')).to.equal('');
});
it('preserves existing non-"tag-"-prefixed classes', function() {
selection
.attr('class', 'selected')
.datum(iD.Entity())
.call(iD.Style.styleClasses());
expect(selection.attr('class')).to.equal('selected');
});
it('works on SVG elements', function() {
selection = d3.select(document.createElementNS('http://www.w3.org/2000/svg', 'g'));
selection
.datum(iD.Entity())
.call(iD.Style.styleClasses());
expect(selection.attr('class')).to.equal('');
});
});
});