fix: http test lint

cmd/httpserver/http_test.go

@@ -30,9 +30,13 @@ Then print the data
 `
 	err := os.MkdirAll(filepath.Dir(mockSlangFile), os.ModePerm)
 	require.NoError(t, err)
-	err = os.WriteFile(mockSlangFile, []byte(mockSlangContent), 0644)
+	err = os.WriteFile(mockSlangFile, []byte(mockSlangContent), 0600)
 	require.NoError(t, err)
-	defer os.RemoveAll("./testdata/slang")
+	defer func() {
+		if err := os.RemoveAll("./testdata"); err != nil {
+			t.Errorf("Failed to remove test directory: %v", err)
+		}
+	}()
 
 	ctx := context.Background()
 
@@ -41,22 +45,27 @@ Then print the data
 	require.NoError(t, err)
 	require.NotNil(t, muxRouter)
 
-	// Test if the router serves OpenAPI documentation
 	t.Run("correctly exposes OpenAPI documentation", func(t *testing.T) {
 		w := httptest.NewRecorder()
 		req := httptest.NewRequest(http.MethodGet, swagger.DefaultJSONDocumentationPath, nil)
 
 		muxRouter.ServeHTTP(w, req)
-
-		require.Equal(t, http.StatusOK, w.Result().StatusCode)
-		require.Equal(t, "application/json", w.Result().Header.Get("Content-Type"))
-
-		body, err := io.ReadAll(w.Result().Body)
+		body := w.Result().Body // //nolint:bodyclose
+		defer func() {
+			if err := body.Close(); err != nil {
+				t.Errorf("Failed to close body: %v", err)
+			}
+		}()
+
+		// These lines do not require closing since they just access StatusCode and Headers
+		require.Equal(t, http.StatusOK, w.Result().StatusCode)                      //nolint:bodyclose
+		require.Equal(t, "application/json", w.Result().Header.Get("Content-Type")) //nolint:bodyclose
+
+		bodycontent, err := io.ReadAll(body)
 		require.NoError(t, err)
 
 		expected := `{"info":{"title":"TestBinary","version":"1.0.0"},"openapi":"3.0.0","paths":{"/example":{"get":{"description":"\u003cpre\u003eRule unknown ignore\nGiven I have a 'string' named 'test'\nThen print the data\n\u003c/pre\u003e","parameters":[{"description":"The test","in":"query","name":"test","schema":{"type":"string"}}],"responses":{"200":{"content":{"application/json":{"schema":{"properties":{"output":{"items":{"type":"string"},"type":"array"}},"required":["output"],"type":"object"}}},"description":"The slangroom execution output, splitted by newline"},"500":{"content":{"application/json":{"schema":{"properties":{"message":{"items":{"type":"string"},"type":"array"}},"required":["message"],"type":"object"}}},"description":"Slangroom execution error"}},"tags":["📑 Zencodes"]},"post":{"description":"\u003cpre\u003eRule unknown ignore\nGiven I have a 'string' named 'test'\nThen print the data\n\u003c/pre\u003e","requestBody":{"content":{"application/json":{"schema":{"properties":{"test":{"type":"string"}},"required":["test"],"type":"object"}}}},"responses":{"200":{"content":{"application/json":{"schema":{"properties":{"output":{"items":{"type":"string"},"type":"array"}},"required":["output"],"type":"object"}}},"description":"The slangroom execution output, split by newline"},"500":{"content":{"application/json":{"schema":{"properties":{"message":{"items":{"type":"string"},"type":"array"}},"required":["message"],"type":"object"}}},"description":"Slangroom execution error"}},"tags":["📑 Zencodes"]}}},"tags":[{"description":"Endpoints generated over the Zencode smart contracts","name":"📑 Zencodes"}]}`
-
-		require.JSONEq(t, string(expected), string(body), "actual json data: %s", body)
+		require.JSONEq(t, expected, string(bodycontent), "actual json data: %s", body)
 	})
 
 	// Test POST route execution
@@ -65,16 +74,30 @@ Then print the data
 		req := httptest.NewRequest(http.MethodPost, "/example", nil) // Mocked route
 
 		muxRouter.ServeHTTP(w, req)
-
-		require.Equal(t, http.StatusOK, w.Result().StatusCode)
+		body := w.Result().Body //nolint:bodyclose
+		defer func() {
+			if err := body.Close(); err != nil {
+				t.Errorf("Failed to close body: %v", err)
+			}
+		}()
+
+		require.Equal(t, http.StatusOK, w.Result().StatusCode) //nolint:bodyclose
 		require.Equal(t, "OK", w.Body.String())
 	})
+
+	// Test GET route execution
 	t.Run("correctly handles GET route", func(t *testing.T) {
 		w := httptest.NewRecorder()
 		req := httptest.NewRequest(http.MethodGet, "/example", nil) // Mocked route
 
 		muxRouter.ServeHTTP(w, req)
-
-		require.Equal(t, http.StatusOK, w.Result().StatusCode)
+		body := w.Result().Body //nolint:bodyclose
+		defer func() {
+			if err := body.Close(); err != nil {
+				t.Errorf("Failed to close body: %v", err)
+			}
+		}()
+
+		require.Equal(t, http.StatusOK, w.Result().StatusCode) //nolint:bodyclose
 	})
 }