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Updating Regexper class specs

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This commit is contained in:
Jeff Avallone 2014-12-18 18:25:52 -05:00
parent 80ec29cd6b
commit e43033d789
2 changed files with 107 additions and 112 deletions
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202
spec/regexper_spec.js
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@ -1,5 +1,5 @@
import Regexper from 'src/js/regexper.js'; import Regexper from 'src/js/regexper.js';
import parser from 'src/js/parser/javascript.js'; import Parser from 'src/js/parser/javascript.js';
import Snap from 'snapsvg'; import Snap from 'snapsvg';
import Q from 'q'; import Q from 'q';
@ -96,11 +96,11 @@ describe('regexper.js', function() {
}); });
xdescribe('#documentKeypressListener', function() { describe('#documentKeypressListener', function() {
beforeEach(function() { beforeEach(function() {
this.event = document.createEvent('Event'); this.event = document.createEvent('Event');
spyOn(parser, 'cancel'); this.regexper.runningParser = jasmine.createSpyObj('parser', ['cancel']);
}); });
describe('when the keyCode is not 27 (Escape)', function() { describe('when the keyCode is not 27 (Escape)', function() {
@ -111,7 +111,7 @@ describe('regexper.js', function() {
it('does not cancel the parser', function() { it('does not cancel the parser', function() {
this.regexper.documentKeypressListener(this.event); this.regexper.documentKeypressListener(this.event);
expect(parser.cancel).not.toHaveBeenCalled(); expect(this.regexper.runningParser.cancel).not.toHaveBeenCalled();
}); });
}); });
@ -124,7 +124,7 @@ describe('regexper.js', function() {
it('cancels the parser', function() { it('cancels the parser', function() {
this.regexper.documentKeypressListener(this.event); this.regexper.documentKeypressListener(this.event);
expect(parser.cancel).toHaveBeenCalled(); expect(this.regexper.runningParser.cancel).toHaveBeenCalled();
}); });
}); });
@ -258,7 +258,7 @@ describe('regexper.js', function() {
}); });
describe('#trackEvent', function() { describe('#_trackEvent', function() {
it('adds a _trackEvent call to gaq', function() { it('adds a _trackEvent call to gaq', function() {
this.regexper._trackEvent('category', 'action'); this.regexper._trackEvent('category', 'action');
@ -267,11 +267,10 @@ describe('regexper.js', function() {
}); });
xdescribe('#showExpression', function() { describe('#showExpression', function() {
beforeEach(function() { beforeEach(function() {
this.renderPromise = Q.defer(); spyOn(this.regexper, 'renderRegexp').and.returnValue(jasmine.createSpyObj('renderRegexp', ['done']));
spyOn(this.regexper, 'renderRegexp').and.returnValue(this.renderPromise.promise);
}); });
it('sets the text field value', function() { it('sets the text field value', function() {
@ -279,61 +278,18 @@ describe('regexper.js', function() {
expect(this.regexper.field.value).toEqual('example expression'); expect(this.regexper.field.value).toEqual('example expression');
}); });
describe('when the expression is blank', function() {
it('clears the state', function() { it('clears the state', function() {
this.regexper.showExpression(''); this.regexper.showExpression('');
expect(this.regexper.state).toEqual(''); expect(this.regexper.state).toEqual('');
}); });
});
describe('when the expression is not blank', function() { describe('when the expression is not blank', function() {
it('sets the state to "is-loading"', function() {
this.regexper.showExpression('example expression');
expect(this.regexper.state).toEqual('is-loading');
});
it('renders the expression', function() { it('renders the expression', function() {
this.regexper.showExpression('example expression'); this.regexper.showExpression('example expression');
expect(this.regexper.renderRegexp).toHaveBeenCalledWith('example expression'); expect(this.regexper.renderRegexp).toHaveBeenCalledWith('example expression');
}); });
describe('when the expression finishes rendering', function() {
beforeEach(function(done) {
spyOn(this.regexper, 'updateLinks');
this.regexper.showExpression('example expression');
this.renderPromise.resolve();
setTimeout(done, 100);
});
it('sets the state to "has-results"', function() {
expect(this.regexper.state).toEqual('has-results');
});
it('updates the links', function() {
expect(this.regexper.updateLinks).toHaveBeenCalled();
});
});
describe('when the parser is cancelled', function() {
beforeEach(function(done) {
spyOn(this.regexper, 'updateLinks');
this.regexper.showExpression('example expression');
this.renderPromise.reject('Render cancelled');
setTimeout(done, 100);
});
it('clears the state', function() {
expect(this.regexper.state).toEqual('');
});
});
}); });
}); });
@ -398,37 +354,43 @@ describe('regexper.js', function() {
}); });
xdescribe('#renderRegexp', function() { describe('#renderRegexp', function() {
beforeEach(function() { beforeEach(function() {
spyOn(parser, 'parse'); this.parsePromise = Q.defer();
}); this.renderPromise = Q.defer();
spyOn(Parser.prototype, 'parse').and.returnValue(this.parsePromise.promise);
spyOn(Parser.prototype, 'render').and.returnValue(this.renderPromise.promise);
spyOn(Parser.prototype, 'cancel');
spyOn(this.regexper, '_trackEvent');
spyOn(this.regexper, 'updateLinks');
it('parses the expression', function(done) {
this.regexper.renderRegexp('example expression'); this.regexper.renderRegexp('example expression');
setTimeout(() => {
expect(parser.parse).toHaveBeenCalledWith('example expression');
done();
}, 100);
}); });
it('replaces newlines with "\\n"', function(done) { it('sets the state to "is-loading"', function() {
this.regexper.renderRegexp('multiline\nexpression'); expect(this.regexper.state).toEqual('is-loading');
});
setTimeout(() => { it('tracks the beginning of the render', function() {
expect(parser.parse).toHaveBeenCalledWith('multiline\\nexpression'); expect(this.regexper._trackEvent).toHaveBeenCalledWith('visualization', 'start');
done(); });
}, 100);
it('keeps a copy of the running parser', function() {
expect(this.regexper.runningParser).toBeTruthy();
});
it('parses the expression', function() {
expect(this.regexper.runningParser.parse).toHaveBeenCalledWith('example expression');
}); });
describe('when parsing fails', function() { describe('when parsing fails', function() {
beforeEach(function(done) { beforeEach(function(done) {
parser.parse.and.throwError('parsing failure'); this.parsePromise.reject('example parse error');
this.regexper.renderRegexp('example expression');
setTimeout(done, 100); setTimeout(done, 10);
}); });
it('sets the state to be "has-error"', function() { it('sets the state to be "has-error"', function() {
@ -436,7 +398,11 @@ describe('regexper.js', function() {
}); });
it('displays the error message', function() { it('displays the error message', function() {
expect(this.regexper.error.innerHTML).toEqual('Error: parsing failure'); expect(this.regexper.error.innerHTML).toEqual('example parse error');
});
it('tracks the parse error', function() {
expect(this.regexper._trackEvent).toHaveBeenCalledWith('visualization', 'parse error');
}); });
}); });
@ -444,53 +410,83 @@ describe('regexper.js', function() {
describe('when parsing succeeds', function() { describe('when parsing succeeds', function() {
beforeEach(function(done) { beforeEach(function(done) {
this.renderPromise = Q.defer(); this.parser = this.regexper.runningParser;
this.parsedExpr = jasmine.createSpyObj('parsedExpr', ['render']); this.parsePromise.resolve(this.parser);
this.parsedExpr.render.and.returnValue(this.renderPromise.promise);
parser.parse.and.returnValue(this.parsedExpr); setTimeout(done, 10);
});
spyOn(this.regexper.snap, 'group').and.returnValue('example group');
it('renders the expression', function() {
this.regexper.renderRegexp('example expression'); expect(this.parser.render).toHaveBeenCalledWith(this.regexper.snap, this.regexper.padding);
setTimeout(done, 100);
}); });
it('renders the parsed expression', function() {
expect(this.parsedExpr.render).toHaveBeenCalledWith('example group');
}); });
describe('when rendering is complete', function() { describe('when rendering is complete', function() {
beforeEach(function(done) { beforeEach(function(done) {
this.result = jasmine.createSpyObj('result', ['getBBox', 'transform']); this.parsePromise.resolve(this.regexper.runningParser);
this.result.getBBox.and.returnValue({ this.renderPromise.resolve();
x: 4,
y: 2, setTimeout(done, 10);
width: 42,
height: 24
}); });
spyOn(this.regexper.snap, 'attr'); it('sets the state to "has-results"', function() {
expect(this.regexper.state).toEqual('has-results');
this.renderPromise.resolve(this.result);
setTimeout(done, 100);
}); });
it('positions the renderd expression', function() { it('updates the links', function() {
expect(this.result.transform).toHaveBeenCalledWith(Snap.matrix() expect(this.regexper.updateLinks).toHaveBeenCalled();
.translate(6, 8));
}); });
it('sets the dimensions of the image', function() { it('tracks the complete render', function() {
expect(this.regexper.snap.attr).toHaveBeenCalledWith({ expect(this.regexper._trackEvent).toHaveBeenCalledWith('visualization', 'complete');
width: 62,
height: 44
}); });
});
it('sets the runningParser to false', function() {
expect(this.regexper.runningParser).toBeFalsy();
});
});
describe('when the rendering is cancelled', function() {
beforeEach(function(done) {
this.parsePromise.resolve(this.regexper.runningParser);
this.renderPromise.reject('Render cancelled');
setTimeout(done, 10);
});
it('clears the state', function() {
expect(this.regexper.state).toEqual('');
});
it('tracks the cancelled render', function() {
expect(this.regexper._trackEvent).toHaveBeenCalledWith('visualization', 'cancelled');
});
it('sets the runningParser to false', function() {
expect(this.regexper.runningParser).toBeFalsy();
});
});
describe('when the rendering fails', function() {
beforeEach(function(done) {
this.parsePromise.resolve(this.regexper.runningParser);
this.renderPromise.reject('example render failure');
setTimeout(done, 10);
});
it('tracks the failed render', function() {
expect(this.regexper._trackEvent).toHaveBeenCalledWith('visualization', 'exception');
});
it('sets the runningParser to false', function() {
expect(this.regexper.runningParser).toBeFalsy();
}); });
}); });

5
src/js/regexper.js
View File

@ -99,7 +99,7 @@ export default class Regexper {
this.state = ''; this.state = '';
if (expression !== '') { if (expression !== '') {
this.renderRegexp(expression); this.renderRegexp(expression).done();
} }
} }
@ -173,7 +173,6 @@ export default class Regexper {
}) })
.finally(() => { .finally(() => {
this.runningParser = false; this.runningParser = false;
}) });
.done();
} }
} }