80 lines
2.4 KiB
JavaScript
80 lines
2.4 KiB
JavaScript
/**
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* Tests that creating a database causes it to be written to the sharding catalog with a
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* databaseVersion if FCV > 3.6, but not if FCV <= 3.6.
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*/
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(function() {
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'use strict';
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function createDatabase(st, dbName) {
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// A database is implicitly created when a collection inside it is created.
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assert.commandWorked(st.s.getDB(dbName).runCommand({create: collName}));
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}
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function cleanUp(st, dbName) {
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assert.commandWorked(st.s.getDB(dbName).runCommand({dropDatabase: 1}));
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}
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function assertHasDbVersion(dbEntry) {
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assert.neq(null, dbEntry);
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assert.neq(null, dbEntry.version);
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assert.neq(null, dbEntry.version.uuid);
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assert.eq(1, dbEntry.version.lastMod);
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}
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function assertDoesntHaveDbVersion(dbEntry) {
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assert.neq(null, dbEntry);
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assert.eq(null, dbEntry.version);
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}
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const dbName = "db1";
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const collName = "foo";
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var st = new ShardingTest({shards: 1});
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let dbEntry;
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//
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// FCV 4.0
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//
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assert.commandWorked(st.s.adminCommand({setFeatureCompatibilityVersion: "4.0"}));
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// A new database is given a databaseVersion.
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createDatabase(st, dbName);
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let dbEntry1 = st.s.getDB("config").getCollection("databases").findOne({_id: dbName});
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assertHasDbVersion(dbEntry1);
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cleanUp(st, dbName);
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// A new incarnation of a database that was previously dropped is given a fresh databaseVersion.
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createDatabase(st, dbName);
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let dbEntry2 = st.s.getDB("config").getCollection("databases").findOne({_id: dbName});
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assertHasDbVersion(dbEntry2);
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assert.neq(dbEntry1.version.uuid, dbEntry2.version.uuid);
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cleanUp(st, dbName);
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//
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// FCV 3.6
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//
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assert.commandWorked(st.s.adminCommand({setFeatureCompatibilityVersion: "3.6"}));
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// A new database is not given a databaseVersion.
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createDatabase(st, dbName);
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dbEntry = st.s.getDB("config").getCollection("databases").findOne({_id: dbName});
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assertDoesntHaveDbVersion(dbEntry);
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cleanUp(st, dbName);
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//
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// FCV 3.4 (This section can be deleted once FCV 3.4 is removed).
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//
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assert.commandWorked(st.s.adminCommand({setFeatureCompatibilityVersion: "3.4"}));
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// A new database is not given a databaseVersion.
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createDatabase(st, dbName);
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dbEntry = st.s.getDB("config").getCollection("databases").findOne({_id: dbName});
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assertDoesntHaveDbVersion(dbEntry);
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cleanUp(st, dbName);
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})();
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