SERVER-30723: Add a query knob that controls whether JSON Schema ignores or errors on unknown keywords

1 files changed, 59 insertions, 0 deletions

diff --git a/jstests/noPassthrough/json_schema_ignore_unknown_keywords.js b/jstests/noPassthrough/json_schema_ignore_unknown_keywords.js
new file mode 100644
index 00000000000..f16a757c3f5
--- /dev/null
+++ b/jstests/noPassthrough/json_schema_ignore_unknown_keywords.js
@@ -0,0 +1,59 @@
+/**
+ * Test that setting the query knob 'internalQueryIgnoreUnknownJSONSchemaKeywords' correctly
+ * ignores unknown keywords within $jsonSchema.
+ */
+(function() {
+    "use strict";
+
+    load("jstests/libs/assert_schema_match.js");
+
+    const options = {setParameter: "internalQueryIgnoreUnknownJSONSchemaKeywords=1"};
+    const conn = MongoRunner.runMongod(options);
+    assert.neq(null, conn, "mongod was unable to start up with options: " + tojson(options));
+
+    const testDB = conn.getDB("test");
+    const coll = testDB.getCollection("jstests_json_schema_ignore_unsupported");
+
+    assertSchemaMatch(coll, {my_keyword: "ignored", minProperties: 2}, {_id: 0}, false);
+    assertSchemaMatch(coll, {my_keyword: "ignored", minProperties: 2}, {_id: 0, a: 1}, true);
+    assertSchemaMatch(
+        coll, {properties: {a: {my_keyword: "ignored", minProperties: 1}}}, {a: {b: 1}}, true);
+
+    // Test that the same query knob does not change the behavior for unsupported keywords.
+    {
+        let res =
+            coll.runCommand({find: coll.getName(), query: {$jsonSchema: {default: {_id: 0}}}});
+        assert.commandFailedWithCode(res, ErrorCodes.FailedToParse);
+
+        res = coll.runCommand({
+            find: coll.getName(),
+            query: {$jsonSchema: {definitions: {numberField: {type: "number"}}}}
+        });
+        assert.commandFailedWithCode(res, ErrorCodes.FailedToParse);
+
+        res = coll.runCommand({find: coll.getName(), query: {$jsonSchema: {format: "email"}}});
+        assert.commandFailedWithCode(res, ErrorCodes.FailedToParse);
+
+        res =
+            coll.runCommand({find: coll.getName(), query: {$jsonSchema: {id: "someschema.json"}}});
+        assert.commandFailedWithCode(res, ErrorCodes.FailedToParse);
+
+        res = coll.runCommand({
+            find: coll.getName(),
+            query: {$jsonSchema: {properties: {a: {$ref: "#/definitions/positiveInt"}}}}
+        });
+        assert.commandFailedWithCode(res, ErrorCodes.FailedToParse);
+
+        res = coll.runCommand(
+            {find: coll.getName(), query: {$jsonSchema: {$schema: "hyper-schema"}}});
+        assert.commandFailedWithCode(res, ErrorCodes.FailedToParse);
+
+        res = coll.runCommand({
+            find: coll.getName(),
+            query: {$jsonSchema: {$schema: "http://json-schema.org/draft-04/schema#"}}
+        });
+        assert.commandFailedWithCode(res, ErrorCodes.FailedToParse);
+    }
+
+    MongoRunner.stopMongod(conn);
+}());