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api_test.go
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api_test.go
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package useragentvaluestore
import (
"bytes"
"net/http"
"net/http/httptest"
"testing"
"github.com/gin-gonic/gin"
"github.com/stretchr/testify/assert"
)
func setupRouter() *gin.Engine {
api := NewApi()
return api
}
func TestGet(t *testing.T) {
router := setupRouter()
// Test getting a non-existent user-agent
req, _ := http.NewRequest("GET", VERSION+"/value", nil)
req.Header.Set("User-Agent", "test-agent")
w := httptest.NewRecorder()
router.ServeHTTP(w, req)
assert.Equal(t, http.StatusNotFound, w.Code)
assert.Contains(t, w.Body.String(), "userAgent 'test-agent' has nothing stored")
// Test getting an existing user-agent
req, _ = http.NewRequest("POST", VERSION+"/value", bytes.NewBufferString("test-value"))
req.Header.Set("User-Agent", "test-agent")
w = httptest.NewRecorder()
router.ServeHTTP(w, req)
req, _ = http.NewRequest("GET", VERSION+"/value", nil)
req.Header.Set("User-Agent", "test-agent")
w = httptest.NewRecorder()
router.ServeHTTP(w, req)
assert.Equal(t, http.StatusOK, w.Code)
assert.Contains(t, w.Body.String(), "test-value")
}
func TestUpsert(t *testing.T) {
router := setupRouter()
// Test upserting a value
req, _ := http.NewRequest("POST", VERSION+"/value", bytes.NewBufferString("test-value"))
req.Header.Set("User-Agent", "test-agent")
w := httptest.NewRecorder()
router.ServeHTTP(w, req)
assert.Equal(t, http.StatusOK, w.Code)
assert.Contains(t, w.Body.String(), "test-value")
// Test updating the value
req, _ = http.NewRequest("POST", VERSION+"/value", bytes.NewBufferString("new-value"))
req.Header.Set("User-Agent", "test-agent")
w = httptest.NewRecorder()
router.ServeHTTP(w, req)
assert.Equal(t, http.StatusOK, w.Code)
assert.Contains(t, w.Body.String(), "new-value")
}
func TestDelete(t *testing.T) {
router := setupRouter()
// Test deleting a non-existent user-agent
req, _ := http.NewRequest("DELETE", VERSION+"/value", nil)
req.Header.Set("User-Agent", "test-agent")
w := httptest.NewRecorder()
router.ServeHTTP(w, req)
assert.Equal(t, http.StatusNotFound, w.Code)
assert.Contains(t, w.Body.String(), "userAgent 'test-agent' has nothing stored")
// Test deleting an existing user-agent
req, _ = http.NewRequest("POST", VERSION+"/value", bytes.NewBufferString("test-value"))
req.Header.Set("User-Agent", "test-agent")
w = httptest.NewRecorder()
router.ServeHTTP(w, req)
req, _ = http.NewRequest("DELETE", VERSION+"/value", nil)
req.Header.Set("User-Agent", "test-agent")
w = httptest.NewRecorder()
router.ServeHTTP(w, req)
assert.Equal(t, http.StatusOK, w.Code)
}
func TestHomePage(t *testing.T) {
router := setupRouter()
// Test home page with no user-agents
req, _ := http.NewRequest("GET", "/", nil)
req.Header.Set("User-Agent", "test-agent")
w := httptest.NewRecorder()
router.ServeHTTP(w, req)
assert.Equal(t, http.StatusOK, w.Code)
assert.Contains(t, w.Body.String(), `"numUserAgents:":0`)
// Test home page with one user-agent
req, _ = http.NewRequest("POST", VERSION+"/value", bytes.NewBufferString("test-value"))
req.Header.Set("User-Agent", "test-agent")
w = httptest.NewRecorder()
router.ServeHTTP(w, req)
req, _ = http.NewRequest("GET", "/", nil)
req.Header.Set("User-Agent", "test-agent")
w = httptest.NewRecorder()
router.ServeHTTP(w, req)
assert.Equal(t, http.StatusOK, w.Code)
assert.Contains(t, w.Body.String(), `"numUserAgents:":1`)
}