Add unit test for pkg/util/http.go (#4770)

Signed-off-by: zouyu <[email protected]>

Author: zouy414

pkg/util/http_test.go

@@ -0,0 +1,148 @@
+package util
+
+import (
+	"reflect"
+	"testing"
+
+	httpPb "github.com/linkerd/linkerd2-proxy-api/go/http_types"
+)
+
+func TestParseScheme(t *testing.T) {
+	cases := []struct {
+		scheme   string
+		expected *httpPb.Scheme
+	}{
+		{
+			scheme: "http",
+			expected: &httpPb.Scheme{
+				Type: &httpPb.Scheme_Registered_{
+					Registered: 0,
+				},
+			},
+		},
+		{
+			scheme: "https",
+			expected: &httpPb.Scheme{
+				Type: &httpPb.Scheme_Registered_{
+					Registered: 1,
+				},
+			},
+		},
+		{
+			scheme: "unknown",
+			expected: &httpPb.Scheme{
+				Type: &httpPb.Scheme_Unregistered{
+					Unregistered: "UNKNOWN",
+				},
+			},
+		},
+	}
+
+	for _, c := range cases {
+		c := c
+		t.Run(c.scheme, func(t *testing.T) {
+			got := ParseScheme(c.scheme)
+			if !reflect.DeepEqual(c.expected, got) {
+				t.Errorf("expected: %v, got: %v", c.expected, got)
+			}
+		})
+	}
+}
+
+func TestParseMethod(t *testing.T) {
+	cases := []struct {
+		method   string
+		expected *httpPb.HttpMethod
+	}{
+		{
+			method: "get",
+			expected: &httpPb.HttpMethod{
+				Type: &httpPb.HttpMethod_Registered_{
+					Registered: 0,
+				},
+			},
+		},
+		{
+			method: "post",
+			expected: &httpPb.HttpMethod{
+				Type: &httpPb.HttpMethod_Registered_{
+					Registered: 1,
+				},
+			},
+		},
+		{
+			method: "put",
+			expected: &httpPb.HttpMethod{
+				Type: &httpPb.HttpMethod_Registered_{
+					Registered: 2,
+				},
+			},
+		},
+		{
+			method: "delete",
+			expected: &httpPb.HttpMethod{
+				Type: &httpPb.HttpMethod_Registered_{
+					Registered: 3,
+				},
+			},
+		},
+		{
+			method: "patch",
+			expected: &httpPb.HttpMethod{
+				Type: &httpPb.HttpMethod_Registered_{
+					Registered: 4,
+				},
+			},
+		},
+		{
+			method: "options",
+			expected: &httpPb.HttpMethod{
+				Type: &httpPb.HttpMethod_Registered_{
+					Registered: 5,
+				},
+			},
+		},
+		{
+			method: "connect",
+			expected: &httpPb.HttpMethod{
+				Type: &httpPb.HttpMethod_Registered_{
+					Registered: 6,
+				},
+			},
+		},
+		{
+			method: "head",
+			expected: &httpPb.HttpMethod{
+				Type: &httpPb.HttpMethod_Registered_{
+					Registered: 7,
+				},
+			},
+		},
+		{
+			method: "trace",
+			expected: &httpPb.HttpMethod{
+				Type: &httpPb.HttpMethod_Registered_{
+					Registered: 8,
+				},
+			},
+		},
+		{
+			method: "unknown",
+			expected: &httpPb.HttpMethod{
+				Type: &httpPb.HttpMethod_Unregistered{
+					Unregistered: "UNKNOWN",
+				},
+			},
+		},
+	}
+
+	for _, c := range cases {
+		c := c
+		t.Run(c.method, func(t *testing.T) {
+			got := ParseMethod(c.method)
+			if !reflect.DeepEqual(c.expected, got) {
+				t.Errorf("expected: %v, got: %v", c.expected, got)
+			}
+		})
+	}
+}