chore: seed migration objects batch 5

server/internal/library/imtenant/db_test.go

@@ -0,0 +1,52 @@
+package imtenant
+
+import (
+	"context"
+	"strings"
+	"testing"
+)
+
+func TestNormalizeMySQLTimeOptions(t *testing.T) {
+	link, err := normalizeMySQLTimeOptions("user:pass@tcp(127.0.0.1:3306)/tinode?charset=utf8mb4")
+	if err != nil {
+		t.Fatalf("normalize raw mysql dsn: %v", err)
+	}
+	if !strings.HasPrefix(link, "mysql:user:pass@tcp(127.0.0.1:3306)/tinode?") {
+		t.Fatalf("unexpected normalized link: %s", link)
+	}
+	if !strings.Contains(link, "loc=UTC") || !strings.Contains(link, "parseTime=true") {
+		t.Fatalf("missing required time options: %s", link)
+	}
+}
+
+func TestNormalizeMySQLTimeOptionsRejectsUnsupportedFormat(t *testing.T) {
+	if _, err := normalizeMySQLTimeOptions("postgres://user:pass@127.0.0.1:5432/tinode"); err == nil {
+		t.Fatal("expected unsupported format error")
+	}
+}
+
+func TestReplaceMySQLDatabaseUsesUTC(t *testing.T) {
+	link, err := replaceMySQLDatabase("mysql:user:pass@tcp(127.0.0.1:3306)/hotgo?loc=Local&parseTime=false&charset=utf8mb4", "tinode")
+	if err != nil {
+		t.Fatal(err)
+	}
+	for _, expected := range []string{"/tinode?", "loc=UTC", "parseTime=true", "charset=utf8mb4"} {
+		if !strings.Contains(link, expected) {
+			t.Fatalf("link %q does not contain %q", link, expected)
+		}
+	}
+}
+
+func TestNextSnowflakeID(t *testing.T) {
+	first, err := NextSnowflakeID(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	second, err := NextSnowflakeID(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if first <= 0 || second <= first {
+		t.Fatalf("Snowflake IDs are not increasing: %d, %d", first, second)
+	}
+}