testing

main_test.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+"net/http"
+"net/http/httptest"
+"testing"
+)
+
+func TestGetPosts(t *testing.T) {
+// Create a request to pass to our handler. We don't have any query parameters for now, so we'll
+// pass 'nil' as the third parameter.
+req, err := http.NewRequest("GET", "/posts", nil)
+if err != nil {
+t.Fatal(err)
+}
+
+var cfg = config{
+port: 8000,
+dsn: "postgres://app:app@postgres-container/app?sslmode=disable",
+}
+
+db, err := open(cfg)
+
+app := apps{db}
+
+// We create a ResponseRecorder (which satisfies http.ResponseWriter) to record the response.
+rr := httptest.NewRecorder()
+handler := http.HandlerFunc(app.getPosts)
+
+// Our handlers satisfy http.Handler, so we can call their ServeHTTP method
+// directly and pass in our Request and ResponseRecorder.
+handler.ServeHTTP(rr, req)
+
+// Check the status code is what we expect.
+if status := rr.Code; status != http.StatusOK {
+t.Errorf("handler returned wrong status code: got %v want %v",
+status, http.StatusOK)
+}
+}