1 files changed, 127 insertions, 0 deletions
diff --git a/vendor/github.com/gorilla/handlers/canonical_test.go b/vendor/github.com/gorilla/handlers/canonical_test.go
new file mode 100644
index 000000000..615e4b056
--- /dev/null
+++ b/vendor/github.com/gorilla/handlers/canonical_test.go
@@ -0,0 +1,127 @@
+package handlers
+
+import (
+	"bufio"
+	"bytes"
+	"log"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"strings"
+	"testing"
+)
+
+func TestCleanHost(t *testing.T) {
+	tests := []struct {
+		in, want string
+	}{
+		{"www.google.com", "www.google.com"},
+		{"www.google.com foo", "www.google.com"},
+		{"www.google.com/foo", "www.google.com"},
+		{" first character is a space", ""},
+	}
+	for _, tt := range tests {
+		got := cleanHost(tt.in)
+		if tt.want != got {
+			t.Errorf("cleanHost(%q) = %q, want %q", tt.in, got, tt.want)
+		}
+	}
+}
+
+func TestCanonicalHost(t *testing.T) {
+	gorilla := "http://www.gorillatoolkit.org"
+
+	rr := httptest.NewRecorder()
+	r := newRequest("GET", "http://www.example.com/")
+
+	testHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {})
+
+	// Test a re-direct: should return a 302 Found.
+	CanonicalHost(gorilla, http.StatusFound)(testHandler).ServeHTTP(rr, r)
+
+	if rr.Code != http.StatusFound {
+		t.Fatalf("bad status: got %v want %v", rr.Code, http.StatusFound)
+	}
+
+	if rr.Header().Get("Location") != gorilla+r.URL.Path {
+		t.Fatalf("bad re-direct: got %q want %q", rr.Header().Get("Location"), gorilla+r.URL.Path)
+	}
+
+}
+
+func TestKeepsQueryString(t *testing.T) {
+	google := "https://www.google.com"
+
+	rr := httptest.NewRecorder()
+	querystring := url.Values{"q": {"golang"}, "format": {"json"}}.Encode()
+	r := newRequest("GET", "http://www.example.com/search?"+querystring)
+
+	testHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {})
+	CanonicalHost(google, http.StatusFound)(testHandler).ServeHTTP(rr, r)
+
+	want := google + r.URL.Path + "?" + querystring
+	if rr.Header().Get("Location") != want {
+		t.Fatalf("bad re-direct: got %q want %q", rr.Header().Get("Location"), want)
+	}
+}
+
+func TestBadDomain(t *testing.T) {
+	rr := httptest.NewRecorder()
+	r := newRequest("GET", "http://www.example.com/")
+
+	testHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {})
+
+	// Test a bad domain - should return 200 OK.
+	CanonicalHost("%", http.StatusFound)(testHandler).ServeHTTP(rr, r)
+
+	if rr.Code != http.StatusOK {
+		t.Fatalf("bad status: got %v want %v", rr.Code, http.StatusOK)
+	}
+}
+
+func TestEmptyHost(t *testing.T) {
+	rr := httptest.NewRecorder()
+	r := newRequest("GET", "http://www.example.com/")
+
+	testHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {})
+
+	// Test a domain that returns an empty url.Host from url.Parse.
+	CanonicalHost("hello.com", http.StatusFound)(testHandler).ServeHTTP(rr, r)
+
+	if rr.Code != http.StatusOK {
+		t.Fatalf("bad status: got %v want %v", rr.Code, http.StatusOK)
+	}
+}
+
+func TestHeaderWrites(t *testing.T) {
+	gorilla := "http://www.gorillatoolkit.org"
+
+	testHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(200)
+	})
+
+	// Catch the log output to ensure we don't write multiple headers.
+	var b bytes.Buffer
+	buf := bufio.NewWriter(&b)
+	tl := log.New(buf, "test: ", log.Lshortfile)
+
+	srv := httptest.NewServer(
+		CanonicalHost(gorilla, http.StatusFound)(testHandler))
+	defer srv.Close()
+	srv.Config.ErrorLog = tl
+
+	_, err := http.Get(srv.URL)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = buf.Flush()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// We rely on the error not changing: net/http does not export it.
+	if strings.Contains(b.String(), "multiple response.WriteHeader calls") {
+		t.Fatalf("re-direct did not return early: multiple header writes")
+	}
+}