Move trim command orchestration into internal trim package

internal/trim/run_test.go

@@ -0,0 +1,28 @@
+package trim
+
+import (
+	"context"
+	"errors"
+	"path/filepath"
+	"testing"
+
+	"gitea.maximumdirect.net/eric/seriatim/internal/config"
+)
+
+func TestRunReturnsContextErrorBeforeWork(t *testing.T) {
+	dir := t.TempDir()
+	ctx, cancel := context.WithCancel(context.Background())
+	cancel()
+
+	err := Run(ctx, config.TrimConfig{
+		InputFile:    filepath.Join(dir, "input.json"),
+		OutputFile:   filepath.Join(dir, "output.json"),
+		Mode:         "keep",
+		Selector:     "1",
+		OutputSchema: "",
+		AllowEmpty:   false,
+	})
+	if !errors.Is(err, context.Canceled) {
+		t.Fatalf("error = %v, want context.Canceled", err)
+	}
+}