Apache/lucene
1
0
Fork 0
mirror of https://github.com/apache/lucene.git synced 2025-02-28 13:29:26 +00:00
Code Issues Packages Projects Releases Wiki Activity

SOLR-13946: Fix SpellCheckCollatorTest.testEstimatedHitCounts lower/upper bounds to match computable values based on random merge policies

Browse Source
This commit is contained in:
Chris Hostetter 2019-11-21 11:46:35 -07:00
parent 4b3739f083
commit 8f30f6436c
1 changed files with 21 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
solr/core/src/test/org/apache/solr/spelling/SpellCheckCollatorTest.java
View File

@ -45,10 +45,9 @@ import org.junit.Test;
@SuppressTempFileChecks(bugUrl = "https://issues.apache.org/jira/browse/SOLR-1877 Spellcheck IndexReader leak bug?")
public class SpellCheckCollatorTest extends SolrTestCaseJ4 {
//if adding documents to this test, adjust me.
private static final int MAX_DOC_ID=16;
private static final int MIN_DOC_ID_WITH_EVERYOTHER=0;
private static final int MAX_DOC_ID_WITH_EVERYOTHER=15;
// if adding documents to this test, adjust me.
private static final int NUM_DOCS_WITH_TERM_EVERYOTHER=8;
private static final int NUM_DOCS=17;
@BeforeClass
public static void beforeClass() throws Exception {
initCore("solrconfig-spellcheckcomponent.xml", "schema.xml");
@ -564,13 +563,28 @@ public class SpellCheckCollatorTest extends SolrTestCaseJ4 {
// (we have to be kind of flexible with our definition of "decent"
// since we're dealing with a fairly small index here)
for (int val = 5; val <= 20; val++) {
int max = MAX_DOC_ID * val / (val + MIN_DOC_ID_WITH_EVERYOTHER + 1);
int min = MAX_DOC_ID * val / (val + MAX_DOC_ID_WITH_EVERYOTHER + 1);
String hitsXPath = xpathPrefix + "long[@name='hits']"; // we will append to this...
if (val <= NUM_DOCS_WITH_TERM_EVERYOTHER) {
// strongest assertions we can make given an arbirary MergePolicy on such a small index
// is based on the idea that the docs may all come *first* or all come *last*
// and then do the math on what estimate should come from that if we collected *exactly* 'val'..
//
// if they are all "first" we will overestimate and assume everything is a match...
int max = NUM_DOCS;
// if they are all "last" we will under-estimate based on how non-matches we had to skip...
int min = (/* min collected */ val) / (/* max docs possibly scanned */ NUM_DOCS);
hitsXPath += "[" + min + " <= . and . <= " + max + "]";
} else {
// we've asked for a number greater then what can possibly be found in our tiny index, which should
// force it to scan all docs so our hits should be exact
hitsXPath += "[.=" + NUM_DOCS_WITH_TERM_EVERYOTHER + "]";
}
assertQ(req(reusedParams,
CommonParams.Q, "teststop:everother",
SpellingParams.SPELLCHECK_COLLATE_MAX_COLLECT_DOCS, ""+val)
, xpathPrefix + "str[@name='collationQuery']='teststop:everyother'"
, xpathPrefix + "long[@name='hits' and " + min + " <= . and . <= " + max + "]"
, hitsXPath
);
}