vary.html
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<html>
<head>
<meta charset="utf-8">
<title>HTTP Cache - Vary</title>
<meta name="help" href="https://fetch.spec.whatwg.org/#request">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="http-cache.js"></script>
</head>
<body>
<script>
var tests = [
{
name: 'HTTP cache reuses Vary response when request matches.',
requests: [
{
request_headers: [
["Foo", "1"]
],
response_headers: [
["Expires", http_date(5000)],
["Last-Modified", http_date(-3000)],
["Vary", "Foo"]
]
},
{
request_headers: [
["Foo", "1"]
],
expected_type: "cached"
}
]
},
{
name: "HTTP cache doesn't use Vary response when request doesn't match.",
requests: [
{
request_headers: [
["Foo", "1"]
],
response_headers: [
["Expires", http_date(5000)],
["Last-Modified", http_date(-3000)],
["Vary", "Foo"]
]
},
{
request_headers: [
["Foo", "2"]
],
expected_type: "not_cached"
}
]
},
{
name: "HTTP cache doesn't use Vary response when request omits variant header.",
requests: [
{
request_headers: [
["Foo", "1"]
],
response_headers: [
["Expires", http_date(5000)],
["Last-Modified", http_date(-3000)],
["Vary", "Foo"]
]
},
{
expected_type: "not_cached"
}
]
},
{
name: "HTTP cache doesn't invalidate existing Vary response.",
requests: [
{
request_headers: [
["Foo", "1"]
],
response_headers: [
["Expires", http_date(5000)],
["Last-Modified", http_date(-3000)],
["Vary", "Foo"]
],
response_body: http_content('foo_1')
},
{
request_headers: [
["Foo", "2"]
],
response_headers: [
["Expires", http_date(5000)],
["Last-Modified", http_date(-3000)],
["Vary", "Foo"]
],
expected_type: "not_cached",
response_body: http_content('foo_2'),
},
{
request_headers: [
["Foo", "1"]
],
response_body: http_content('foo_1'),
expected_type: "cached"
}
]
},
{
name: "HTTP cache doesn't pay attention to headers not listed in Vary.",
requests: [
{
request_headers: [
["Foo", "1"],
["Other", "2"]
],
response_headers: [
["Expires", http_date(5000)],
["Last-Modified", http_date(-3000)],
["Vary", "Foo"]
],
},
{
request_headers: [
["Foo", "1"],
["Other", "3"]
],
expected_type: "cached",
}
]
},
{
name: 'HTTP cache reuses two-way Vary response when request matches.',
requests: [
{
request_headers: [
["Foo", "1"],
["Bar", "abc"]
],
response_headers: [
["Expires", http_date(5000)],
["Last-Modified", http_date(-3000)],
["Vary", "Foo, Bar"]
]
},
{
request_headers: [
["Foo", "1"],
["Bar", "abc"]
],
expected_type: "cached"
}
]
},
{
name: "HTTP cache doesn't use two-way Vary response when request doesn't match.",
requests: [
{
request_headers: [
["Foo", "1"],
["Bar", "abc"]
],
response_headers: [
["Expires", http_date(5000)],
["Last-Modified", http_date(-3000)],
["Vary", "Foo, Bar"]
]
},
{
request_headers: [
["Foo", "2"],
["Bar", "abc"]
],
expected_type: "not_cached"
}
]
},
{
name: "HTTP cache doesn't use two-way Vary response when request omits variant header.",
requests: [
{
request_headers: [
["Foo", "1"]
],
response_headers: [
["Expires", http_date(5000)],
["Last-Modified", http_date(-3000)],
["Vary", "Foo, Bar"]
]
},
{
expected_type: "not_cached"
}
]
},
{
name: 'HTTP cache reuses three-way Vary response when request matches.',
requests: [
{
request_headers: [
["Foo", "1"],
["Bar", "abc"],
["Baz", "789"]
],
response_headers: [
["Expires", http_date(5000)],
["Last-Modified", http_date(-3000)],
["Vary", "Foo, Bar, Baz"]
]
},
{
request_headers: [
["Foo", "1"],
["Bar", "abc"],
["Baz", "789"]
],
expected_type: "cached"
}
]
},
{
name: "HTTP cache doesn't use three-way Vary response when request doesn't match.",
requests: [
{
request_headers: [
["Foo", "1"],
["Bar", "abc"],
["Baz", "789"]
],
response_headers: [
["Expires", http_date(5000)],
["Last-Modified", http_date(-3000)],
["Vary", "Foo, Bar, Baz"]
]
},
{
request_headers: [
["Foo", "2"],
["Bar", "abc"],
["Baz", "789"]
],
expected_type: "not_cached"
}
]
},
{
name: "HTTP cache doesn't use three-way Vary response when request doesn't match, regardless of header order.",
requests: [
{
request_headers: [
["Foo", "1"],
["Bar", "abc4"],
["Baz", "789"]
],
response_headers: [
["Expires", http_date(5000)],
["Last-Modified", http_date(-3000)],
["Vary", "Foo, Bar, Baz"]
]
},
{
request_headers: [
["Foo", "1"],
["Bar", "abc"],
["Baz", "789"]
],
expected_type: "not_cached"
}
]
},
{
name: "HTTP cache uses three-way Vary response when both request and the original request omited a variant header.",
requests: [
{
request_headers: [
["Foo", "1"],
["Baz", "789"]
],
response_headers: [
["Expires", http_date(5000)],
["Last-Modified", http_date(-3000)],
["Vary", "Foo, Bar, Baz"]
]
},
{
request_headers: [
["Foo", "1"],
["Baz", "789"]
],
expected_type: "cached"
}
]
},
{
name: "HTTP cache doesn't use Vary response with a field value of '*'.",
requests: [
{
request_headers: [
["Foo", "1"],
["Baz", "789"]
],
response_headers: [
["Expires", http_date(5000)],
["Last-Modified", http_date(-3000)],
["Vary", "*"]
]
},
{
request_headers: [
["*", "1"],
["Baz", "789"]
],
expected_type: "not_cached"
}
]
}
];
run_tests(tests);
</script>
</body>
</html>
