move common metrics-related funcs to internal package

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/internal/metrics/metrics_test.go b/internal/metrics/metrics_test.go
new file mode 100644
index 0000000..c3f5965
--- /dev/null
+++ b/internal/metrics/metrics_test.go
@@ -0,0 +1,28 @@
+package metrics
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestSanitizeMethod(t *testing.T) {
+	tests := []struct {
+		method   string
+		expected string
+	}{
+		{method: "get", expected: "GET"},
+		{method: "POST", expected: "POST"},
+		{method: "OPTIONS", expected: "OPTIONS"},
+		{method: "connect", expected: "CONNECT"},
+		{method: "trace", expected: "TRACE"},
+		{method: "UNKNOWN", expected: "OTHER"},
+		{method: strings.Repeat("ohno", 9999), expected: "OTHER"},
+	}
+
+	for _, d := range tests {
+		actual := SanitizeMethod(d.method)
+		if actual != d.expected {
+			t.Errorf("Not same: expected %#v, but got %#v", d.expected, actual)
+		}
+	}
+}