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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
couchTests.purge = function(debug) {
var db = new CouchDB("test_suite_db", {"X-Couch-Full-Commit":"false"});
db.deleteDb();
db.createDb();
if (debug) debugger;
/*
purge is not to be confused with a document deletion. It removes the
document and all edit history from the local instance of the database.
*/
var numDocs = 10;
var designDoc = {
_id:"_design/test",
language: "javascript",
views: {
all_docs_twice: {map: "function(doc) { emit(doc.integer, null); emit(doc.integer, null) }"},
single_doc: {map: "function(doc) { if (doc._id == \"1\") { emit(1, null) }}"}
}
};
T(db.save(designDoc).ok);
db.bulkSave(makeDocs(1, numDocs + 1));
// go ahead and validate the views before purging
var rows = db.view("test/all_docs_twice").rows;
for (var i = 0; i < numDocs; i++) {
T(rows[2*i].key == i+1);
T(rows[(2*i)+1].key == i+1);
}
T(db.view("test/single_doc").total_rows == 1);
var info = db.info();
var doc1 = db.open("1");
var doc2 = db.open("2");
// purge the documents
var xhr = CouchDB.request("POST", "/test_suite_db/_purge", {
body: JSON.stringify({"1":[doc1._rev], "2":[doc2._rev]})
});
T(xhr.status == 200);
var result = JSON.parse(xhr.responseText);
var newInfo = db.info();
// purging increments the update sequence
T(info.update_seq+1 == newInfo.update_seq);
// and it increments the purge_seq
T(info.purge_seq+1 == newInfo.purge_seq);
T(result.purge_seq == newInfo.purge_seq);
T(result.purged["1"][0] == doc1._rev);
T(result.purged["2"][0] == doc2._rev);
T(db.open("1") == null);
T(db.open("2") == null);
var rows = db.view("test/all_docs_twice").rows;
for (var i = 2; i < numDocs; i++) {
T(rows[2*(i-2)].key == i+1);
T(rows[(2*(i-2))+1].key == i+1);
}
T(db.view("test/single_doc").total_rows == 0);
// purge sequences are preserved after compaction (COUCHDB-1021)
T(db.compact().ok);
T(db.last_req.status == 202);
// compaction isn't instantaneous, loop until done
while (db.info().compact_running) {};
var compactInfo = db.info();
T(compactInfo.purge_seq == newInfo.purge_seq);
// purge documents twice in a row without loading views
// (causes full view rebuilds)
var doc3 = db.open("3");
var doc4 = db.open("4");
xhr = CouchDB.request("POST", "/test_suite_db/_purge", {
body: JSON.stringify({"3":[doc3._rev]})
});
T(xhr.status == 200);
xhr = CouchDB.request("POST", "/test_suite_db/_purge", {
body: JSON.stringify({"4":[doc4._rev]})
});
T(xhr.status == 200);
result = JSON.parse(xhr.responseText);
T(result.purge_seq == db.info().purge_seq);
var rows = db.view("test/all_docs_twice").rows;
for (var i = 4; i < numDocs; i++) {
T(rows[2*(i-4)].key == i+1);
T(rows[(2*(i-4))+1].key == i+1);
}
T(db.view("test/single_doc").total_rows == 0);
};
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