124 lines
5.1 KiB
JavaScript
124 lines
5.1 KiB
JavaScript
// Test that lastOp is updated properly in the face of no-op writes and for writes that generate
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// errors based on the preexisting data (e.g. duplicate key errors, but not parse errors).
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// lastOp is used as the optime to wait for when write concern waits for replication.
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(function () {
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var replTest = new ReplSetTest({ name: 'testSet', nodes: 1 });
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replTest.startSet();
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replTest.initiate();
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var primary = replTest.getPrimary();
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// Two connections
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var m1 = new Mongo(primary.host);
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var m2 = new Mongo(primary.host);
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// Do a write with m1, then a write with m2, then a no-op write with m1. m1 should have a lastOp
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// of m2's write.
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assert.writeOK(m1.getCollection("test.foo").insert({ m1 : 1 }));
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var firstOp = m1.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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assert.writeOK(m2.getCollection("test.foo").insert({ m2 : 99 }));
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var secondOp = m2.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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// No-op update
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assert.writeOK(m1.getCollection("test.foo").update({ m1 : 1 }, { $set: { m1 : 1 }}));
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var noOp = m1.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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assert.eq(noOp, secondOp);
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assert.writeOK(m1.getCollection("test.foo").remove({ m1 : 1 }));
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var thirdOp = m1.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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assert.writeOK(m2.getCollection("test.foo").insert({ m2 : 98 }));
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var fourthOp = m2.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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// No-op delete
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assert.writeOK(m1.getCollection("test.foo").remove({ m1 : 1 }));
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noOp = m1.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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assert.eq(noOp, fourthOp);
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// Dummy write, for a new lastOp.
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assert.writeOK(m1.getCollection("test.foo").insert({ m1 : 99 }));
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var fifthOp = m1.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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assert.writeOK(m2.getCollection("test.foo").insert({ m2 : 97 }));
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var sixthOp = m2.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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// No-op find-and-modify delete
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m1.getCollection("test.foo").findAndModify( { query: { m1 : 1 } , remove: 'true'} );
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noOp = m1.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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assert.eq(noOp, sixthOp);
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assert.commandWorked(m1.getCollection("test.foo").createIndex({x:1}));
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var seventhOp = m1.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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assert.writeOK(m2.getCollection("test.foo").insert({ m2 : 96 }));
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var eighthOp = m2.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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// No-op create index.
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assert.commandWorked(m1.getCollection("test.foo").createIndex({x:1}));
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noOp = m1.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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assert.eq(noOp, eighthOp);
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assert.writeOK(m1.getCollection("test.foo").insert({ _id : 1, x : 1 }));
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var ninthOp = m1.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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assert.writeOK(m2.getCollection("test.foo").insert({ m2 : 991 }));
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var tenthOp = m2.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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// update with immutable field error
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assert.writeError(m1.getCollection("test.foo").update({ _id : 1, x : 1 },
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{ $set: { _id : 2 }}));
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// "After applying the update to the document {_id: 1.0 , ...}, the (immutable) field '_id'
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// was found to have been altered to _id: 2.0"
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noOp = m1.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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assert.eq(noOp, tenthOp);
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assert.writeOK(m2.getCollection("test.foo").insert({ m2 : 992 }));
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var eleventhOp = m2.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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// find-and-modify immutable field error
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try {
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m1.getCollection("test.foo").findAndModify( { query: { _id : 1, x : 1 },
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update: { $set: { _id : 2 } } } );
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// The findAndModify shell helper should throw.
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assert(false);
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} catch (e) {
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assert.eq(e.code, 66);
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}
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noOp = m1.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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assert.eq(noOp, eleventhOp);
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var bigString = new Array(3000).toString();
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assert.writeOK(m2.getCollection("test.foo").insert({ m2 : 994, m3: bigString}));
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// createIndex with a >1024 byte field fails.
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var twelfthOp = m2.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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assert.commandFailed(m1.getCollection("test.foo").createIndex({m3:1}));
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noOp = m1.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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assert.eq(noOp, twelfthOp);
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// Test update and delete failures in legacy write mode.
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m2.forceWriteMode('legacy');
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m1.forceWriteMode('legacy');
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m2.getCollection("test.foo").insert({ m2 : 995 });
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var thirteenthOp = m2.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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m1.getCollection("test.foo").remove({ m1 : 1 });
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noOp = m1.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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assert.eq(noOp, thirteenthOp);
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m1.getCollection("test.foo").update({ m1 : 1 }, {$set: {m1: 4}});
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noOp = m1.getCollection("test.foo").getDB().getLastErrorObj().lastOp;
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assert.eq(noOp, thirteenthOp);
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})();
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