mergePolicy.setNoCFSRatio(1); // This test expects all of its segments to be in CFS
conf.setMergePolicy(mergePolicy);
IndexWriter writer = new IndexWriter(
dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
setMaxBufferedDocs(10).
setMergePolicy(mergePolicy)
);
writer.setInfoStream(VERBOSE ? System.out : null);
int i;
for(i=0;i<35;i++) {
addDoc(writer, i);
}
mergePolicy.setUseCompoundFile(false);
for(;i<45;i++) {
addDoc(writer, i);
}
writer.close();
// Delete one doc so we get a .del file:
IndexReader reader = IndexReader.open(dir, false);
Term searchTerm = new Term("id", "7");
int delCount = reader.deleteDocuments(searchTerm);
assertEquals("didn't delete the right number of documents", 1, delCount);
// Set one norm so we get a .s0 file:
reader.setNorm(21, "content", (float) 1.5);
reader.close();
// Now, artificially create an extra .del file & extra
// .s0 file:
String[] files = dir.listAll();
/*
for(int j=0;j<files.length;j++) {
System.out.println(j + ": " + files[j]);
}
*/
// The numbering of fields can vary depending on which
// JRE is in use. On some JREs we see content bound to
// field 0; on others, field 1. So, here we have to
// figure out which field number corresponds to
// "content", and then set our expected file names below
// accordingly:
CompoundFileReader cfsReader = new CompoundFileReader(dir, "_2.cfs");
FieldInfos fieldInfos = new FieldInfos(cfsReader, "_2.fnm");
int contentFieldIndex = -1;
for(i=0;i<fieldInfos.size();i++) {
FieldInfo fi = fieldInfos.fieldInfo(i);
if (fi.name.equals("content")) {
contentFieldIndex = i;
break;
}
}
cfsReader.close();
assertTrue("could not locate the 'content' field number in the _2.cfs segment", contentFieldIndex != -1);
String normSuffix = "s" + contentFieldIndex;
// Create a bogus separate norms file for a
// segment/field that actually has a separate norms file
// already:
copyFile(dir, "_2_1." + normSuffix, "_2_2." + normSuffix);
// Create a bogus separate norms file for a
// segment/field that actually has a separate norms file
// already, using the "not compound file" extension:
copyFile(dir, "_2_1." + normSuffix, "_2_2.f" + contentFieldIndex);
// Create a bogus separate norms file for a
// segment/field that does not have a separate norms
// file already:
copyFile(dir, "_2_1." + normSuffix, "_1_1." + normSuffix);
// Create a bogus separate norms file for a
// segment/field that does not have a separate norms
// file already using the "not compound file" extension:
copyFile(dir, "_2_1." + normSuffix, "_1_1.f" + contentFieldIndex);
// Create a bogus separate del file for a
// segment that already has a separate del file:
copyFile(dir, "_0_1.del", "_0_2.del");
// Create a bogus separate del file for a
// segment that does not yet have a separate del file:
copyFile(dir, "_0_1.del", "_1_1.del");
// Create a bogus separate del file for a
// non-existent segment:
copyFile(dir, "_0_1.del", "_188_1.del");
// Create a bogus segment file:
copyFile(dir, "_0.cfs", "_188.cfs");
// Create a bogus fnm file when the CFS already exists:
copyFile(dir, "_0.cfs", "_0.fnm");
// Create a deletable file:
copyFile(dir, "_0.cfs", "deletable");
// Create some old segments file:
copyFile(dir, "segments_2", "segments");
copyFile(dir, "segments_2", "segments_1");
// Create a bogus cfs file shadowing a non-cfs segment:
assertTrue(dir.fileExists("_3.fdt"));
assertTrue(!dir.fileExists("_3.cfs"));
copyFile(dir, "_1.cfs", "_3.cfs");
String[] filesPre = dir.listAll();
// Open & close a writer: it should delete the above 4
// files and nothing more:
writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.APPEND));
writer.close();
String[] files2 = dir.listAll();
dir.close();