1 files changed, 101 insertions, 0 deletions
diff --git a/jstests/noPassthrough/benchrun_read_pref_mode.js b/jstests/noPassthrough/benchrun_read_pref_mode.js
new file mode 100644
index 00000000000..d9c6027f4eb
--- /dev/null
+++ b/jstests/noPassthrough/benchrun_read_pref_mode.js
@@ -0,0 +1,101 @@
+/**
+ * Verifies that readPrefMode param works for find/fineOne/query ops in benchRun().
+ *
+ * @tags: [requires_replication]
+ */
+
+(function() {
+"use strict";
+
+const rs = new ReplSetTest({nodes: 2});
+rs.startSet();
+rs.initiate();
+
+const primary = rs.getPrimary();
+const secondary = rs.getSecondary();
+const collName = primary.getDB(jsTestName()).getCollection("coll").getFullName();
+
+const verifyNoError = res => {
+    assert.eq(res.errCount, 0);
+    assert.gt(res.totalOps, 0);
+};
+
+const benchArgArray = [
+    {
+        ops: [{op: "find", readCmd: true, query: {}, ns: collName, readPrefMode: "primary"}],
+        parallel: 1,
+        host: primary.host
+    },
+    {
+        ops: [{
+            op: "findOne",
+            readCmd: true,
+            query: {},
+            ns: collName,
+            readPrefMode: "primaryPreferred"
+        }],
+        parallel: 1,
+        host: primary.host
+    },
+    {
+        ops: [{op: "find", readCmd: true, query: {}, ns: collName, readPrefMode: "secondary"}],
+        parallel: 1,
+        host: secondary.host
+    },
+    {
+        ops: [{
+            op: "findOne",
+            readCmd: true,
+            query: {},
+            ns: collName,
+            readPrefMode: "secondaryPreferred"
+        }],
+        parallel: 1,
+        host: secondary.host
+    },
+    {
+        ops: [{op: "query", readCmd: true, query: {}, ns: collName, readPrefMode: "nearest"}],
+        parallel: 1,
+        host: secondary.host
+    },
+];
+
+benchArgArray.forEach(benchArg => verifyNoError(benchRun(benchArg)));
+
+const invalidArgAndError = [
+    {
+        benchArg: {
+            ops: [{op: "find", readCmd: true, query: {}, ns: collName, readPrefMode: 1}],
+            parallel: 1,
+            host: primary.host
+        },
+        error: ErrorCodes.BadValue
+    },
+    {
+        benchArg: {
+            ops:
+                [{op: "find", readCmd: true, query: {}, ns: collName, readPrefMode: "invalidPref"}],
+            parallel: 1,
+            host: primary.host
+        },
+        error: ErrorCodes.BadValue
+    },
+    {
+        benchArg: {
+            ops: [
+                {op: "insert", writeCmd: true, doc: {a: 1}, ns: collName, readPrefMode: "primary"}
+            ],
+            parallel: 1,
+            host: primary.host
+        },
+        error: ErrorCodes.InvalidOptions
+    },
+];
+
+invalidArgAndError.forEach(argAndError => {
+    const res = assert.throws(() => benchRun(argAndError.benchArg));
+    assert.commandFailedWithCode(res, argAndError.error);
+});
+
+rs.stopSet();
+})();