Refactor JWT tests to table based

Now state isn't shared.

middleware/jwt_test.go

@@ -12,46 +12,84 @@ import (
 
 func TestJWT(t *testing.T) {
 	e := echo.New()
-	req := test.NewRequest(echo.GET, "/", nil)
-	res := test.NewResponseRecorder()
-	c := e.NewContext(req, res)
 	handler := func(c echo.Context) error {
 		return c.String(http.StatusOK, "test")
 	}
-	config := JWTConfig{}
 	token := "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.TJVA95OrM7E2cBab30RMHrHDcEfxjoYZgeFONFh7HgQ"
+	validKey := []byte("secret")
+	invalidKey := []byte("invalid-key")
+	validAuth := bearer + " " + token
 
-	// No signing key provided
+	for _, tc := range []struct {
+		expPanic   bool
+		expErrCode int // 0 for Success
+		config     JWTConfig
+		reqURL     string // "/" if empty
+		hdrAuth    string
+		info       string
+	}{
+		{expPanic: true, info: "No signing key provided"},
+		{
+			expErrCode: http.StatusBadRequest,
+			config: JWTConfig{
+				SigningKey:    validKey,
+				SigningMethod: "RS256",
+			},
+			info: "Unexpected signing method",
+		},
+		{
+			expErrCode: http.StatusUnauthorized,
+			hdrAuth:    validAuth,
+			config:     JWTConfig{SigningKey: invalidKey},
+			info:       "Invalid key",
+		},
+		{
+			hdrAuth: validAuth,
+			config:  JWTConfig{SigningKey: validKey},
+			info:    "Valid JWT",
+		},
+		{
+			hdrAuth:    "invalid-auth",
+			expErrCode: http.StatusBadRequest,
+			config:     JWTConfig{SigningKey: validKey},
+			info:       "Invalid Authorization header",
+		},
+		{
+			config:     JWTConfig{SigningKey: validKey},
+			hdrAuth:    "",
+			expErrCode: http.StatusBadRequest,
+			info:       "Empty header auth field",
+		},
+	} {
+
+		if tc.reqURL == "" {
+			tc.reqURL = "/"
+		}
+
+		req := test.NewRequest(echo.GET, tc.reqURL, nil)
+		res := test.NewResponseRecorder()
+		req.Header().Set(echo.HeaderAuthorization, tc.hdrAuth)
+		c := e.NewContext(req, res)
+
+		if tc.expPanic {
 			assert.Panics(t, func() {
-		JWTWithConfig(config)
-	})
+				JWTWithConfig(tc.config)
+			}, tc.info)
+			continue
+		}
 
-	// Unexpected signing method
-	config.SigningKey = []byte("secret")
-	config.SigningMethod = "RS256"
-	h := JWTWithConfig(config)(handler)
+		if tc.expErrCode != 0 {
+			h := JWTWithConfig(tc.config)(handler)
 			he := h(c).(*echo.HTTPError)
-	assert.Equal(t, http.StatusBadRequest, he.Code)
+			assert.Equal(t, tc.expErrCode, he.Code, tc.info)
+			continue
+		}
 
-	// Invalid key
-	auth := bearer + " " + token
-	req.Header().Set(echo.HeaderAuthorization, auth)
-	config.SigningKey = []byte("invalid-key")
-	h = JWTWithConfig(config)(handler)
-	he = h(c).(*echo.HTTPError)
-	assert.Equal(t, http.StatusUnauthorized, he.Code)
-
-	// Valid JWT
-	h = JWT([]byte("secret"))(handler)
-	if assert.NoError(t, h(c)) {
+		h := JWTWithConfig(tc.config)(handler)
+		if assert.NoError(t, h(c), tc.info) {
 			user := c.Get("user").(*jwt.Token)
 			claims := user.Claims.(jwt.MapClaims)
-		assert.Equal(t, claims["name"], "John Doe")
+			assert.Equal(t, claims["name"], "John Doe", tc.info)
+		}
 	}
-
-	// Invalid Authorization header
-	req.Header().Set(echo.HeaderAuthorization, "invalid-auth")
-	h = JWT([]byte("secret"))(handler)
-	he = h(c).(*echo.HTTPError)
-	assert.Equal(t, http.StatusBadRequest, he.Code)
 }