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Commit 6460fbc1 authored by Robert Knight's avatar Robert Knight Committed by GitHub
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Merge pull request #179 from hypothesis/anchoring-baseline-tests 

Add HTML baseline tests
parents 09f6b2f4 feebb62b
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h/static/scripts/annotator/anchoring/test/html-baselines/index.js 0 → 100644
View file @ 6460fbc1
'use strict';
// Fixtures for anchoring baseline tests. The goals of these tests are to:
//
// 1) Check for unexpected changes in the selectors captured when describing
// a Range in a web page.
// 2) Test anchoring in larger and more complex pages than the basic anchoring
// unit tests.
//
// Each fixture consists of:
//
// - An HTML file for a web page
// - A set of annotations in the JSON format returned by the Hypothesis API
//
// To add a new fixture:
//
// 1. Open up a web page in the browser and annotate it.
// 2. Save the web page (HTML only) via File -> Save Page As... as
// `<fixture name>.html` in this directory.
// It is important to save the page exactly as it was when annotated, since
// many pages have at least some dynamic content.
// 3. Fetch the annotations for the web page via the Hypothesis API and save
// them as `<fixture name>.json` in this directory
// 4. Add an entry to the fixture list below.
module.exports = [{
name: 'Minimal Document',
html: require('./minimal.html'),
annotations: require('./minimal.json'),
},{
name: 'Wikipedia - Regression Testing',
html: require('./wikipedia-regression-testing.html'),
annotations: require('./wikipedia-regression-testing.json'),
}];
h/static/scripts/annotator/anchoring/test/html-baselines/minimal.json 0 → 100644
View file @ 6460fbc1
{
"total": 1,
"rows": [{
"id": "test",
"target": [{
"selector": [{
"type": "RangeSelector",
"startContainer": "/div[1]",
"endContainer": "/div[1]",
"startOffset": 4,
"endOffset": 7,
},{
"type": "TextPositionSelector",
"start": 4,
"end": 7,
},{
"type": "TextQuoteSelector",
"prefix": "One ",
"suffix": " Three\n",
"exact": "Two",
}],
}],
}],
}
h/static/scripts/annotator/anchoring/test/html-test.js
View file @ 6460fbc1
......@@ -61,6 +61,15 @@ function findByType(selectors, type) {
return selectors.find(function (s) { return s.type === type; });
}
/**
* Return a copy of a list of selectors sorted by type.
*/
function sortByType(selectors) {
return selectors.slice().sort(function (a, b) {
return a.type.localeCompare(b.type);
});
}
/**
* Test cases for mapping ranges to selectors.
*
......@@ -191,4 +200,50 @@ describe('HTML anchoring', function () {
});
return Promise.all(anchored);
}, testCases);
describe('Web page baselines', function () {
var fixtures = require('./html-baselines');
var frame;
before(function () {
frame = document.createElement('iframe');
document.body.appendChild(frame);
});
after(function () {
frame.remove();
});
unroll('generates selectors which match the baseline (#name)', function (fixture) {
var fixtureHtml = fixture.html;
var annotations = fixture.annotations.rows;
// Break references to external stylesheets and images so that the test
// runner does not try to load them.
//
// This method is crude but Good Enough™ for our test fixtures and does
// not modify the offset of any substrings within the text content of the
// document for matches that occur in a text-content context (eg.
// <pre>, <noscript>).
fixtureHtml = fixtureHtml.replace(/src=/g, 'sr_=').replace(/href=/g, 'hre_=');
frame.contentWindow.document.documentElement.innerHTML = fixtureHtml;
var annotationsChecked = annotations.map(function (ann) {
// Anchor the existing selectors
var root = frame.contentWindow.document.body;
var selectors = ann.target[0].selector;
var result = html.anchor(root, selectors);
return result.then(function (range) {
// Re-anchor the selectors and check that the new and existing
// selectors match.
return html.describe(root, range);
}).then(function (newSelectors) {
assert.deepEqual(sortByType(selectors), sortByType(newSelectors));
});
});
return Promise.all(annotationsChecked);
}, fixtures);
});
});
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