ci(lint): enable usestdlibvars linter (#4091)

Signed-off-by: Matthieu MOREL <matthieu.morel35@gmail.com>

Author: mmorel-35

.golangci.yml

@@ -19,6 +19,7 @@ linters:
     - perfsprint
     - revive
     - testifylint
+    - usestdlibvars
     - wastedassign
 
 linters-settings:

auth_test.go

@@ -90,7 +90,7 @@ func TestBasicAuthSucceed(t *testing.T) {
 	})
 
 	w := httptest.NewRecorder()
-	req, _ := http.NewRequest("GET", "/login", nil)
+	req, _ := http.NewRequest(http.MethodGet, "/login", nil)
 	req.Header.Set("Authorization", authorizationHeader("admin", "password"))
 	router.ServeHTTP(w, req)
 
@@ -109,7 +109,7 @@ func TestBasicAuth401(t *testing.T) {
 	})
 
 	w := httptest.NewRecorder()
-	req, _ := http.NewRequest("GET", "/login", nil)
+	req, _ := http.NewRequest(http.MethodGet, "/login", nil)
 	req.Header.Set("Authorization", "Basic "+base64.StdEncoding.EncodeToString([]byte("admin:password")))
 	router.ServeHTTP(w, req)
 
@@ -129,7 +129,7 @@ func TestBasicAuth401WithCustomRealm(t *testing.T) {
 	})
 
 	w := httptest.NewRecorder()
-	req, _ := http.NewRequest("GET", "/login", nil)
+	req, _ := http.NewRequest(http.MethodGet, "/login", nil)
 	req.Header.Set("Authorization", "Basic "+base64.StdEncoding.EncodeToString([]byte("admin:password")))
 	router.ServeHTTP(w, req)
 
@@ -147,7 +147,7 @@ func TestBasicAuthForProxySucceed(t *testing.T) {
 	})
 
 	w := httptest.NewRecorder()
-	req, _ := http.NewRequest("GET", "/test", nil)
+	req, _ := http.NewRequest(http.MethodGet, "/test", nil)
 	req.Header.Set("Proxy-Authorization", authorizationHeader("admin", "password"))
 	router.ServeHTTP(w, req)
 
@@ -166,7 +166,7 @@ func TestBasicAuthForProxy407(t *testing.T) {
 	})
 
 	w := httptest.NewRecorder()
-	req, _ := http.NewRequest("GET", "/test", nil)
+	req, _ := http.NewRequest(http.MethodGet, "/test", nil)
 	req.Header.Set("Proxy-Authorization", "Basic "+base64.StdEncoding.EncodeToString([]byte("admin:password")))
 	router.ServeHTTP(w, req)
 

benchmarks_test.go

@@ -14,21 +14,21 @@ import (
 func BenchmarkOneRoute(B *testing.B) {
 	router := New()
 	router.GET("/ping", func(c *Context) {})
-	runRequest(B, router, "GET", "/ping")
+	runRequest(B, router, http.MethodGet, "/ping")
 }
 
 func BenchmarkRecoveryMiddleware(B *testing.B) {
 	router := New()
 	router.Use(Recovery())
 	router.GET("/", func(c *Context) {})
-	runRequest(B, router, "GET", "/")
+	runRequest(B, router, http.MethodGet, "/")
 }
 
 func BenchmarkLoggerMiddleware(B *testing.B) {
 	router := New()
 	router.Use(LoggerWithWriter(newMockWriter()))
 	router.GET("/", func(c *Context) {})
-	runRequest(B, router, "GET", "/")
+	runRequest(B, router, http.MethodGet, "/")
 }
 
 func BenchmarkManyHandlers(B *testing.B) {
@@ -37,15 +37,15 @@ func BenchmarkManyHandlers(B *testing.B) {
 	router.Use(func(c *Context) {})
 	router.Use(func(c *Context) {})
 	router.GET("/ping", func(c *Context) {})
-	runRequest(B, router, "GET", "/ping")
+	runRequest(B, router, http.MethodGet, "/ping")
 }
 
 func Benchmark5Params(B *testing.B) {
 	DefaultWriter = os.Stdout
 	router := New()
 	router.Use(func(c *Context) {})
 	router.GET("/param/:param1/:params2/:param3/:param4/:param5", func(c *Context) {})
-	runRequest(B, router, "GET", "/param/path/to/parameter/john/12345")
+	runRequest(B, router, http.MethodGet, "/param/path/to/parameter/john/12345")
 }
 
 func BenchmarkOneRouteJSON(B *testing.B) {
@@ -56,7 +56,7 @@ func BenchmarkOneRouteJSON(B *testing.B) {
 	router.GET("/json", func(c *Context) {
 		c.JSON(http.StatusOK, data)
 	})
-	runRequest(B, router, "GET", "/json")
+	runRequest(B, router, http.MethodGet, "/json")
 }
 
 func BenchmarkOneRouteHTML(B *testing.B) {
@@ -68,29 +68,29 @@ func BenchmarkOneRouteHTML(B *testing.B) {
 	router.GET("/html", func(c *Context) {
 		c.HTML(http.StatusOK, "index", "hola")
 	})
-	runRequest(B, router, "GET", "/html")
+	runRequest(B, router, http.MethodGet, "/html")
 }
 
 func BenchmarkOneRouteSet(B *testing.B) {
 	router := New()
 	router.GET("/ping", func(c *Context) {
 		c.Set("key", "value")
 	})
-	runRequest(B, router, "GET", "/ping")
+	runRequest(B, router, http.MethodGet, "/ping")
 }
 
 func BenchmarkOneRouteString(B *testing.B) {
 	router := New()
 	router.GET("/text", func(c *Context) {
 		c.String(http.StatusOK, "this is a plain text")
 	})
-	runRequest(B, router, "GET", "/text")
+	runRequest(B, router, http.MethodGet, "/text")
 }
 
 func BenchmarkManyRoutesFist(B *testing.B) {
 	router := New()
 	router.Any("/ping", func(c *Context) {})
-	runRequest(B, router, "GET", "/ping")
+	runRequest(B, router, http.MethodGet, "/ping")
 }
 
 func BenchmarkManyRoutesLast(B *testing.B) {
@@ -103,7 +103,7 @@ func Benchmark404(B *testing.B) {
 	router := New()
 	router.Any("/something", func(c *Context) {})
 	router.NoRoute(func(c *Context) {})
-	runRequest(B, router, "GET", "/ping")
+	runRequest(B, router, http.MethodGet, "/ping")
 }
 
 func Benchmark404Many(B *testing.B) {
@@ -118,7 +118,7 @@ func Benchmark404Many(B *testing.B) {
 	router.GET("/user/:id/:mode", func(c *Context) {})
 
 	router.NoRoute(func(c *Context) {})
-	runRequest(B, router, "GET", "/viewfake")
+	runRequest(B, router, http.MethodGet, "/viewfake")
 }
 
 type mockWriter struct {

binding/binding_msgpack_test.go

@@ -8,6 +8,7 @@ package binding
 
 import (
 	"bytes"
+	"net/http"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -39,20 +40,20 @@ func testMsgPackBodyBinding(t *testing.T, b Binding, name, path, badPath, body,
 	assert.Equal(t, name, b.Name())
 
 	obj := FooStruct{}
-	req := requestWithBody("POST", path, body)
+	req := requestWithBody(http.MethodPost, path, body)
 	req.Header.Add("Content-Type", MIMEMSGPACK)
 	err := b.Bind(req, &obj)
 	require.NoError(t, err)
 	assert.Equal(t, "bar", obj.Foo)
 
 	obj = FooStruct{}
-	req = requestWithBody("POST", badPath, badBody)
+	req = requestWithBody(http.MethodPost, badPath, badBody)
 	req.Header.Add("Content-Type", MIMEMSGPACK)
 	err = MsgPack.Bind(req, &obj)
 	require.Error(t, err)
 }
 
 func TestBindingDefaultMsgPack(t *testing.T) {
-	assert.Equal(t, MsgPack, Default("POST", MIMEMSGPACK))
-	assert.Equal(t, MsgPack, Default("PUT", MIMEMSGPACK2))
+	assert.Equal(t, MsgPack, Default(http.MethodPost, MIMEMSGPACK))
+	assert.Equal(t, MsgPack, Default(http.MethodPut, MIMEMSGPACK2))
 }