WIP

src/db/db_test.go

@@ -0,0 +1,49 @@
+package db_test
+
+import (
+	"context"
+	"path"
+	"show-rss/src/cleanup"
+	"show-rss/src/db"
+	"testing"
+)
+
+func TestDB(t *testing.T) {
+	ctx := context.Background()
+
+	ctx, err := db.Inject(ctx, path.Join(t.TempDir(), "db"))
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() {
+		cleanup.Extract(ctx)()
+	}()
+
+	if err := db.Exec(ctx, `
+		CREATE TABLE IF NOT EXISTS test (k TEXT);
+		CREATE UNIQUE INDEX IF NOT EXISTS test_idx ON test (k);
+		INSERT INTO test (k) SELECT 'a';
+		INSERT INTO test (k) SELECT 'b';
+	`); err != nil {
+		t.Fatal(err)
+	}
+
+	var result struct {
+		K string
+	}
+	if got, err := db.QueryOne[result](ctx, `SELECT k FROM test WHERE k='a'`); err != nil {
+		t.Errorf("failed query one: %w", err)
+	} else if got.K != "a" {
+		t.Errorf("bad query one: %+v", got)
+	}
+
+	if gots, err := db.Query[result](ctx, `SELECT k FROM test`); err != nil {
+		t.Errorf("failed query: %w", err)
+	} else if len(gots) != 2 {
+		t.Errorf("expected 2 but got %d gots", len(gots))
+	} else if gots[0].K != "a" {
+		t.Errorf("expected [0]='a' but got %q", gots[0].K)
+	} else if gots[1].K != "b" {
+		t.Errorf("expected [1]='b' but got %q", gots[1].K)
+	}
+}