Merge pull request #644 from kelseyhightower/improve_httplog_test_coverage

httplog: Improve test coverage

pkg/httplog/log_test.go

@@ -37,7 +37,7 @@ func TestHandler(t *testing.T) {
 	})
 	req, err := http.NewRequest("GET", "http://example.com/kube", nil)
 	if err != nil {
-		t.Errorf("Unexpected error: %#v", err)
+		t.Errorf("Unexpected error: %v", err)
 	}
 	w := httptest.NewRecorder()
 	handler.ServeHTTP(w, req)
@@ -46,17 +46,16 @@ func TestHandler(t *testing.T) {
 	}
 }
 
-var statusTestTable = []struct {
-	status   int
-	statuses []int
-	want     bool
-}{
-	{http.StatusOK, []int{}, true},
-	{http.StatusOK, []int{http.StatusOK}, false},
-	{http.StatusCreated, []int{http.StatusOK, http.StatusAccepted}, true},
-}
-
 func TestStatusIsNot(t *testing.T) {
+	statusTestTable := []struct {
+		status   int
+		statuses []int
+		want     bool
+	}{
+		{http.StatusOK, []int{}, true},
+		{http.StatusOK, []int{http.StatusOK}, false},
+		{http.StatusCreated, []int{http.StatusOK, http.StatusAccepted}, true},
+	}
 	for _, tt := range statusTestTable {
 		sp := StatusIsNot(tt.statuses...)
 		got := sp(tt.status)
@@ -65,3 +64,71 @@ func TestStatusIsNot(t *testing.T) {
 		}
 	}
 }
+
+func TestMakeLogged(t *testing.T) {
+	req, err := http.NewRequest("GET", "http://example.com", nil)
+	if err != nil {
+		t.Errorf("Unexpected error: %v", err)
+	}
+	handler := func(w http.ResponseWriter, r *http.Request) {
+		MakeLogged(req, &w)
+		defer func() {
+			if r := recover(); r == nil {
+				t.Errorf("Expected MakeLogged to panic")
+			}
+		}()
+		MakeLogged(req, &w)
+	}
+	w := httptest.NewRecorder()
+	handler(w, req)
+}
+
+func TestLogOf(t *testing.T) {
+	logOfTests := []bool{true, false}
+	for _, makeLogger := range logOfTests {
+		req, err := http.NewRequest("GET", "http://example.com", nil)
+		if err != nil {
+			t.Errorf("Unexpected error: %v", err)
+		}
+		handler := func(w http.ResponseWriter, r *http.Request) {
+			var want *respLogger
+			if makeLogger {
+				want = MakeLogged(req, &w)
+			} else {
+				defer func() {
+					if r := recover(); r == nil {
+						t.Errorf("Expected LogOf to panic")
+					}
+				}()
+			}
+			got := LogOf(w)
+			if want != got {
+				t.Errorf("Expected %v, got %v", want, got)
+			}
+		}
+		w := httptest.NewRecorder()
+		handler(w, req)
+	}
+}
+
+func TestUnlogged(t *testing.T) {
+	unloggedTests := []bool{true, false}
+	for _, makeLogger := range unloggedTests {
+		req, err := http.NewRequest("GET", "http://example.com", nil)
+		if err != nil {
+			t.Errorf("Unexpected error: %v", err)
+		}
+		handler := func(w http.ResponseWriter, r *http.Request) {
+			want := w
+			if makeLogger {
+				MakeLogged(req, &w)
+			}
+			got := Unlogged(w)
+			if want != got {
+				t.Errorf("Expected %v, got %v", want, got)
+			}
+		}
+		w := httptest.NewRecorder()
+		handler(w, req)
+	}
+}