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Arsse/tests/Feed/TestFeed.php

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<?php
declare(strict_types=1);
namespace JKingWeb\Arsse;
Use Phake;
class TestFeed extends \PHPUnit\Framework\TestCase {
use Test\Tools;
protected static $host = "http://localhost:8000/";
protected $base = "";
function setUp() {
if(!@file_get_contents(self::$host."IsUp")) {
$this->markTestSkipped("Test Web server is not accepting requests");
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} else if(!extension_loaded('curl')) {
$this->markTestSkipped("Feed tests are only accurate with curl enabled.");
}
$this->base = self::$host."Feed/";
$this->clearData();
Data::$conf = new Conf();
}
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function testHandle400() {
$this->assertException("unsupportedFeedFormat", "Feed");
new Feed(null, $this->base."Fetching/Error?code=400");
}
function testHandle401() {
$this->assertException("unauthorized", "Feed");
new Feed(null, $this->base."Fetching/Error?code=401");
}
function testHandle403() {
$this->assertException("forbidden", "Feed");
new Feed(null, $this->base."Fetching/Error?code=403");
}
function testHandle404() {
$this->assertException("invalidUrl", "Feed");
new Feed(null, $this->base."Fetching/Error?code=404");
}
function testHandle500() {
$this->assertException("unsupportedFeedFormat", "Feed");
new Feed(null, $this->base."Fetching/Error?code=500");
}
function testHandleARedirectLoop() {
$this->assertException("maxRedirect", "Feed");
new Feed(null, $this->base."Fetching/EndlessLoop?i=0");
}
function testHandleATimeout() {
Data::$conf->fetchTimeout = 1;
$this->assertException("timeout", "Feed");
new Feed(null, $this->base."Fetching/Timeout");
}
function testHandleAnOverlyLargeFeed() {
Data::$conf->fetchSizeLimit = 512;
$this->assertException("maxSize", "Feed");
new Feed(null, $this->base."Fetching/TooLarge");
}
function testHandleACertificateError() {
$this->assertException("invalidCertificate", "Feed");
new Feed(null, "https://localhost:8000/");
}
function testParseAFeed() {
// test that various properties are set on the feed and on items
$f = new Feed(null, $this->base."Parsing/Valid");
$this->assertTrue(isset($f->lastModified));
$this->assertTrue(isset($f->nextFetch));
// check ID preference cascade
$h0 = "0a4f0e3768c8a5e9d8d9a16545ae4ff5b097f6dac3ad49555a94a7cace68ba73"; // hash of Atom ID
$h1 = "a135beced0236b723d12f845ff20ec22d4fc3afe1130012618f027170d57cb4e"; // hash of RSS2 GUID
$h2 = "205e986f4f8b3acfa281227beadb14f5e8c32c8dae4737f888c94c0df49c56f8"; // hash of Dublin Core identifier
$this->assertSame($h0, $f->data->items[0]->id);
$this->assertSame($h1, $f->data->items[1]->id);
$this->assertSame($h2, $f->data->items[2]->id);
// check null hashes
$h3 = "6287ba30f534e404e68356237e809683e311285d8b9f47d046ac58784eece052"; // URL hash
$h4 = "6cbb5d2dcb11610a99eb3f633dc246690c0acf33327bf7534f95542caa8f27c4"; // title hash
$h5 = "2b7c57ffa9adde92ccd1884fa1153a5bcd3211e48d99e27be5414cb078e6891c"; // content/enclosure hash
$this->assertNotEquals("", $f->data->items[3]->urlTitleHash);
$this->assertSame($h3, $f->data->items[3]->urlContentHash);
$this->assertSame("", $f->data->items[3]->titleContentHash);
$this->assertNotEquals("", $f->data->items[4]->urlTitleHash);
$this->assertSame("", $f->data->items[4]->urlContentHash);
$this->assertSame($h4, $f->data->items[4]->titleContentHash);
$this->assertSame("", $f->data->items[5]->urlTitleHash);
$this->assertNotEquals("", $f->data->items[5]->urlContentHash);
$this->assertNotEquals("", $f->data->items[5]->titleContentHash);
// check null IDs
$this->assertSame("", $f->data->items[3]->id);
$this->assertSame("", $f->data->items[4]->id);
$this->assertSame("", $f->data->items[5]->id);
}
function testParseEntityExpansionAttack() {
$this->assertException("xmlEntity", "Feed");
new Feed(null, $this->base."Parsing/XEEAttack");
}
function testParseExternalEntityAttack() {
$this->assertException("xmlEntity", "Feed");
new Feed(null, $this->base."Parsing/XXEAttack");
}
function testParseAnUnsupportedFeed() {
$this->assertException("unsupportedFeedFormat", "Feed");
new Feed(null, $this->base."Parsing/Unsupported");
}
function testParseAMalformedFeed() {
$this->assertException("malformedXml", "Feed");
new Feed(null, $this->base."Parsing/Malformed");
}
function testDeduplicateFeedItems() {
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// duplicates with dates lead to the newest match being kept
$t = strtotime("2002-05-19T15:21:36Z");
$f = new Feed(null, $this->base."Deduplication/Permalink-Dates");
$this->assertCount(2, $f->newItems);
$this->assertTime($t, $f->newItems[0]->updatedDate);
$f = new Feed(null, $this->base."Deduplication/ID-Dates");
$this->assertCount(2, $f->newItems);
$this->assertTime($t, $f->newItems[0]->updatedDate);
$f = new Feed(null, $this->base."Deduplication/IdenticalHashes");
$this->assertCount(2, $f->newItems);
$this->assertTime($t, $f->newItems[0]->updatedDate);
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$f = new Feed(null, $this->base."Deduplication/Hashes-Dates1"); // content differs
$this->assertCount(2, $f->newItems);
$this->assertTime($t, $f->newItems[0]->updatedDate);
$f = new Feed(null, $this->base."Deduplication/Hashes-Dates2"); // title differs
$this->assertCount(2, $f->newItems);
$this->assertTime($t, $f->newItems[0]->updatedDate);
$f = new Feed(null, $this->base."Deduplication/Hashes-Dates3"); // URL differs
$this->assertCount(2, $f->newItems);
$this->assertTime($t, $f->newItems[0]->updatedDate);
// duplicates without dates lead to the topmost entry being kept
$f = new Feed(null, $this->base."Deduplication/Hashes");
$this->assertCount(2, $f->newItems);
$this->assertSame("http://example.com/1", $f->newItems[0]->url);
}
function testHandleCacheHeadersOn304() {
// upon 304, the client should re-use the caching header values it supplied the server
$t = time();
$e = "78567a";
$f = new Feed(null, $this->base."Caching/304Random", $this->dateTransform($t, "http"), $e);
$this->assertTime($t, $f->lastModified);
$this->assertSame($e, $f->resource->getETag());
$f = new Feed(null, $this->base."Caching/304ETagOnly", $this->dateTransform($t, "http"), $e);
$this->assertTime($t, $f->lastModified);
$this->assertSame($e, $f->resource->getETag());
$f = new Feed(null, $this->base."Caching/304LastModOnly", $this->dateTransform($t, "http"), $e);
$this->assertTime($t, $f->lastModified);
$this->assertSame($e, $f->resource->getETag());
$f = new Feed(null, $this->base."Caching/304None", $this->dateTransform($t, "http"), $e);
$this->assertTime($t, $f->lastModified);
$this->assertSame($e, $f->resource->getETag());
}
function testHandleCacheHeadersOn200() {
// these tests should trust the server-returned time, even in cases of obviously incorrect results
$t = time() - 2000;
$f = new Feed(null, $this->base."Caching/200Past");
$this->assertTime($t, $f->lastModified);
$this->assertNotEmpty($f->resource->getETag());
$t = time() - 2000;
$f = new Feed(null, $this->base."Caching/200Past", $this->dateTransform(time(), "http"));
$this->assertTime($t, $f->lastModified);
$this->assertNotEmpty($f->resource->getETag());
$t = time() + 2000;
$f = new Feed(null, $this->base."Caching/200Future");
$this->assertTime($t, $f->lastModified);
$this->assertNotEmpty($f->resource->getETag());
// these tests have no HTTP headers and rely on article dates
$t = strtotime("2002-05-19T15:21:36Z");
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$f = new Feed(null, $this->base."Caching/200PubDateOnly");
$this->assertTime($t, $f->lastModified);
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$f = new Feed(null, $this->base."Caching/200UpdateDate");
$this->assertTime($t, $f->lastModified);
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$f = new Feed(null, $this->base."Caching/200Multiple");
$this->assertTime($t, $f->lastModified);
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// this test has no dates at all and should report the current time
$t = time();
$f = new Feed(null, $this->base."Caching/200None");
$this->assertTime($t, $f->lastModified);
}
function testComputeNextFetchOnError() {
for($a = 0; $a < 100; $a++) {
if($a < 3) {
$this->assertTime("now + 5 minutes", Feed::nextFetchOnError($a));
} else if($a < 15) {
$this->assertTime("now + 3 hours", Feed::nextFetchOnError($a));
} else {
$this->assertTime("now + 1 day", Feed::nextFetchOnError($a));
}
}
}
function testComputeNextFetchFrom304() {
// if less than half an hour, check in 15 minutes
$t = strtotime("now");
$f = new Feed(null, $this->base."NextFetch/NotModified?t=$t", $this->dateTransform($t, "http"));
$exp = strtotime("now + 15 minutes");
$this->assertTime($exp, $f->nextFetch);
$t = strtotime("now - 29 minutes");
$f = new Feed(null, $this->base."NextFetch/NotModified?t=$t", $this->dateTransform($t, "http"));
$exp = strtotime("now + 15 minutes");
$this->assertTime($exp, $f->nextFetch);
// if less than an hour, check in 30 minutes
$t = strtotime("now - 30 minutes");
$f = new Feed(null, $this->base."NextFetch/NotModified?t=$t", $this->dateTransform($t, "http"));
$exp = strtotime("now + 30 minutes");
$this->assertTime($exp, $f->nextFetch);
$t = strtotime("now - 59 minutes");
$f = new Feed(null, $this->base."NextFetch/NotModified?t=$t", $this->dateTransform($t, "http"));
$exp = strtotime("now + 30 minutes");
$this->assertTime($exp, $f->nextFetch);
// if less than three hours, check in an hour
$t = strtotime("now - 1 hour");
$f = new Feed(null, $this->base."NextFetch/NotModified?t=$t", $this->dateTransform($t, "http"));
$exp = strtotime("now + 1 hour");
$this->assertTime($exp, $f->nextFetch);
$t = strtotime("now - 2 hours 59 minutes");
$f = new Feed(null, $this->base."NextFetch/NotModified?t=$t", $this->dateTransform($t, "http"));
$exp = strtotime("now + 1 hour");
$this->assertTime($exp, $f->nextFetch);
// if more than 36 hours, check in 24 hours
$t = strtotime("now - 36 hours");
$f = new Feed(null, $this->base."NextFetch/NotModified?t=$t", $this->dateTransform($t, "http"));
$exp = strtotime("now + 1 day");
$this->assertTime($exp, $f->nextFetch);
$t = strtotime("now - 2 years");
$f = new Feed(null, $this->base."NextFetch/NotModified?t=$t", $this->dateTransform($t, "http"));
$exp = strtotime("now + 1 day");
$this->assertTime($exp, $f->nextFetch);
// otherwise check in three hours
$t = strtotime("now - 3 hours");
$f = new Feed(null, $this->base."NextFetch/NotModified?t=$t", $this->dateTransform($t, "http"));
$exp = strtotime("now + 3 hours");
$this->assertTime($exp, $f->nextFetch);
$t = strtotime("now - 35 hours");
$f = new Feed(null, $this->base."NextFetch/NotModified?t=$t", $this->dateTransform($t, "http"));
$exp = strtotime("now + 3 hours");
$this->assertTime($exp, $f->nextFetch);
}
}