feat: tag system

internal/web/handler_test.go

@@ -3,6 +3,7 @@ package web
 import (
 	"net/http"
 	"net/http/httptest"
+	"net/url"
 	"strings"
 	"testing"
 	"time"
@@ -15,7 +16,7 @@ import (
 
 type testEnv struct {
 	handler *Handler
-	notes   map[string]*note.Note
+	storage *storage.NoteStorage
 }
 
 func newTestEnv(t *testing.T) *testEnv {
@@ -56,14 +57,9 @@ func newTestEnv(t *testing.T) *testEnv {
 	tm := render.NewTemplateManager("templates")
 	handler := NewHandler(svc, tm)
 
-	noteMap := map[string]*note.Note{}
-	for _, n := range notes {
-		noteMap[n.ID] = n
-	}
-
 	return &testEnv{
 		handler: handler,
-		notes:   noteMap,
+		storage: ns,
 	}
 }
 
@@ -232,3 +228,52 @@ func TestExtractHash(t *testing.T) {
 		})
 	}
 }
+
+func TestHandlerTags_Add(t *testing.T) {
+	env := newTestEnv(t)
+
+	form := url.Values{}
+	form.Set("tag", " Go ")
+	req := httptest.NewRequest(http.MethodPost, "/notes/b2/tags", strings.NewReader(form.Encode()))
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	rec := httptest.NewRecorder()
+
+	env.handler.ServeHTTP(rec, req)
+
+	if rec.Code != http.StatusSeeOther {
+		t.Fatalf("expected status 303, got %d", rec.Code)
+	}
+
+	n, err := env.storage.Get("b2")
+	if err != nil {
+		t.Fatalf("get note: %v", err)
+	}
+	if len(n.Tags) != 1 || n.Tags[0] != "go" {
+		t.Fatalf("expected normalized tag on note, got %+v", n.Tags)
+	}
+}
+
+func TestHandlerTags_Remove(t *testing.T) {
+	env := newTestEnv(t)
+
+	if err := env.storage.AddTag("b2", "go"); err != nil {
+		t.Fatalf("seed tag: %v", err)
+	}
+
+	req := httptest.NewRequest(http.MethodPost, "/notes/b2/tags/go", nil)
+	rec := httptest.NewRecorder()
+
+	env.handler.ServeHTTP(rec, req)
+
+	if rec.Code != http.StatusSeeOther {
+		t.Fatalf("expected status 303, got %d", rec.Code)
+	}
+
+	n, err := env.storage.Get("b2")
+	if err != nil {
+		t.Fatalf("get note: %v", err)
+	}
+	if len(n.Tags) != 0 {
+		t.Fatalf("expected tag to be removed, got %+v", n.Tags)
+	}
+}