snapshot of https://github.com/sqlc-dev/sqlc.git (main, 2026-09-16; blobs > 131072B omitted)

internal/sqltest/docker/enabled.go

@@ -0,0 +1,23 @@
+package docker
+
+import (
+	"fmt"
+	"os/exec"
+
+	"golang.org/x/sync/singleflight"
+)
+
+var flight singleflight.Group
+
+func Installed() error {
+	if _, err := exec.LookPath("docker"); err != nil {
+		return fmt.Errorf("docker not found: %w", err)
+	}
+	// Verify the Docker daemon is actually running and accessible.
+	// Without this check, tests will try Docker, fail on docker pull,
+	// and t.Fatal instead of falling back to native database support.
+	if out, err := exec.Command("docker", "info").CombinedOutput(); err != nil {
+		return fmt.Errorf("docker daemon not available: %w\n%s", err, out)
+	}
+	return nil
+}