layout/style/test/ccd.sjs@8bccb770b82d
layout/style/test/ccd.sjs
Wed, 31 Dec 2014 13:27:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 13:27:57 +0100
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
- permissions
- -rw-r--r--
Ignore runtime configuration files generated during quality assurance.
1 const DEBUG_all_valid = false;
2 const DEBUG_all_stub = false;
4 function handleRequest(request, response)
5 {
6 // Decode the query string to know what test we're doing.
8 // character 1: 'I' = text/css response, 'J' = text/html response
9 let responseCSS = (request.queryString[0] == 'I');
11 // character 2: redirection type - we only care about whether we're
12 // ultimately same-origin with the requesting document ('A', 'D') or
13 // not ('B', 'C').
14 let sameOrigin = (request.queryString[1] == 'A' ||
15 request.queryString[1] == 'D');
17 // character 3: '1' = syntactically valid, '2' = invalid, '3' = http error
18 let malformed = (request.queryString[2] == '2');
19 let httpError = (request.queryString[2] == '3');
21 // character 4: loaded with <link> or @import (no action required)
23 // character 5: loading document mode: 'q' = quirks, 's' = standards
24 let quirksMode = (request.queryString[4] == 'q');
26 // Our response contains a CSS rule that selects an element whose
27 // ID is the first four characters of the query string.
28 let selector = '#' + request.queryString.substring(0,4);
30 // "Malformed" responses wrap the CSS rule in the construct
31 // <html>{} ... </html>
32 // This mimics what the CSS parser might see if an actual HTML
33 // document were fed to it. Because CSS parsers recover from
34 // errors by skipping tokens until they find something
35 // recognizable, a style rule appearing where I wrote '...' above
36 // will be honored!
37 let leader = (malformed ? '<html>{}' : '');
38 let trailer = (malformed ? '</html>' : '');
40 // Standards mode documents will ignore the style sheet if it is being
41 // served as text/html (regardless of its contents). Quirks mode
42 // documents will ignore the style sheet if it is being served as
43 // text/html _and_ it is not same-origin. Regardless, style sheets
44 // are ignored if they come as the body of an HTTP error response.
45 //
46 // Style sheets that should be ignored paint the element red; those
47 // that should be honored paint it lime.
48 let color = ((responseCSS || (quirksMode && sameOrigin)) && !httpError
49 ? 'lime' : 'red');
51 // For debugging the test itself, we have the capacity to make every style
52 // sheet well-formed, or every style sheet do nothing.
53 if (DEBUG_all_valid) {
54 // In this mode, every test chip should turn blue.
55 response.setHeader('Content-Type', 'text/css');
56 response.write(selector + '{background-color:blue}\n');
57 } else if (DEBUG_all_stub) {
58 // In this mode, every test chip for a case where the true test
59 // sheet would be honored, should turn red.
60 response.setHeader('Content-Type', 'text/css');
61 response.write(selector + '{}\n');
62 } else {
63 // Normal operation.
64 if (httpError)
65 response.setStatusLine(request.httpVersion, 500,
66 "Internal Server Error");
67 response.setHeader('Content-Type',
68 responseCSS ? 'text/css' : 'text/html');
69 response.write(leader + selector +
70 '{background-color:' + color + '}' +
71 trailer + '\n');
72 }
73 }
