chore: initial plan

2026-07-24 16:23:24 +07:00
commit d47a07af46
32 changed files with 5724 additions and 0 deletions
@@ -0,0 +1,84 @@
+# HTTP Handler Testing
+
+Use `httptest` package for testing HTTP handlers without starting a server.
+
+## Basic Handler Test
+
+```go
+func TestCreateUserHandler(t *testing.T) {
+    tests := []struct {
+        name           string
+        body           string
+        expectedStatus int
+    }{
+        {
+            name:           "valid request",
+            body:           `{"name": "Alice", "email": "alice@example.com"}`,
+            expectedStatus: http.StatusCreated,
+        },
+        {
+            name:           "invalid JSON",
+            body:           `invalid json`,
+            expectedStatus: http.StatusBadRequest,
+        },
+    }
+
+    for _, tt := range tests {
+        t.Run(tt.name, func(t *testing.T) {
+            is := assert.New(t)
+
+            req := httptest.NewRequest(http.MethodPost, "/users", strings.NewReader(tt.body))
+            req.Header.Set("Content-Type", "application/json")
+
+            w := httptest.NewRecorder()
+            handler := http.HandlerFunc(CreateUserHandler)
+            handler.ServeHTTP(w, req)
+
+            is.Equal(tt.expectedStatus, w.Code)
+        })
+    }
+}
+```
+
+## Query Parameters and Headers
+
+```go
+func TestListUsersHandler(t *testing.T) {
+    tests := []struct {
+        name           string
+        query          string
+        authHeader     string
+        expectedStatus int
+    }{
+        {
+            name:           "paginated results",
+            query:          "?page=1&limit=10",
+            authHeader:     "Bearer token123",
+            expectedStatus: http.StatusOK,
+        },
+        {
+            name:           "missing auth",
+            query:          "?page=1",
+            authHeader:     "",
+            expectedStatus: http.StatusUnauthorized,
+        },
+    }
+
+    for _, tt := range tests {
+        t.Run(tt.name, func(t *testing.T) {
+            is := assert.New(t)
+
+            req := httptest.NewRequest(http.MethodGet, "/users"+tt.query, nil)
+            if tt.authHeader != "" {
+                req.Header.Set("Authorization", tt.authHeader)
+            }
+
+            w := httptest.NewRecorder()
+            handler := AuthMiddleware(ListUsersHandler)
+            handler.ServeHTTP(w, req)
+
+            is.Equal(tt.expectedStatus, w.Code)
+        })
+    }
+}
+```