From ecd0a9c6ba31df8b8e13c3672d278371b38c95aa Mon Sep 17 00:00:00 2001
From: Brian Brazil <brian.brazil@robustperception.io>
Date: Wed, 7 Feb 2018 15:40:36 +0000
Subject: [PATCH] web: Add benchmark for respond()

---
 web/api/v1/api_test.go | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/web/api/v1/api_test.go b/web/api/v1/api_test.go
index e4128b1b4..df4114e25 100644
--- a/web/api/v1/api_test.go
+++ b/web/api/v1/api_test.go
@@ -853,3 +853,26 @@ func TestOptionsMethod(t *testing.T) {
 		}
 	}
 }
+
+// This is a global to avoid the benchmark being optimized away.
+var testResponseWriter = httptest.ResponseRecorder{}
+
+func BenchmarkRespond(b *testing.B) {
+	b.ReportAllocs()
+	points := []promql.Point{}
+	for i := 0; i < 10000; i++ {
+		points = append(points, promql.Point{V: float64(i * 1000000), T: int64(i)})
+	}
+	response := &queryData{
+		ResultType: promql.ValueTypeMatrix,
+		Result: promql.Matrix{
+			promql.Series{
+				Points: points,
+				Metric: nil,
+			},
+		},
+	}
+	for n := 0; n < b.N; n++ {
+		respond(&testResponseWriter, response)
+	}
+}
-- 
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