1 files changed, 45 insertions, 0 deletions
diff --git a/internal/helper/container_test.go b/internal/helper/container_test.go
new file mode 100644
index 00000000..f55da75c
--- /dev/null
+++ b/internal/helper/container_test.go
@@ -0,0 +1,45 @@
+package helper_test
+
+import (
+	"context"
+	"io"
+	"os"
+	"testing"
+
+	"hakurei.app/container"
+	"hakurei.app/container/check"
+	"hakurei.app/container/fhs"
+	"hakurei.app/internal/helper"
+)
+
+func TestContainer(t *testing.T) {
+	t.Run("start invalid container", func(t *testing.T) {
+		h := helper.New(t.Context(), nil, check.MustAbs(container.Nonexistent), "hakurei", argsWt, false, argF, nil, nil)
+
+		wantErr := "container: starting an invalid container"
+		if err := h.Start(); err == nil || err.Error() != wantErr {
+			t.Errorf("Start: error = %v, wantErr %q",
+				err, wantErr)
+		}
+	})
+
+	t.Run("valid new helper nil check", func(t *testing.T) {
+		if got := helper.New(t.Context(), nil, check.MustAbs(container.Nonexistent), "hakurei", argsWt, false, argF, nil, nil); got == nil {
+			t.Errorf("New(%q, %q) got nil",
+				argsWt, "hakurei")
+			return
+		}
+	})
+
+	t.Run("implementation compliance", func(t *testing.T) {
+		testHelper(t, func(ctx context.Context, setOutput func(stdoutP, stderrP *io.Writer), stat bool) helper.Helper {
+			return helper.New(ctx, nil, check.MustAbs(os.Args[0]), "helper", argsWt, stat, argF, func(z *container.Container) {
+				setOutput(&z.Stdout, &z.Stderr)
+				z.
+					Bind(fhs.AbsRoot, fhs.AbsRoot, 0).
+					Proc(fhs.AbsProc).
+					Dev(fhs.AbsDev, true)
+			}, nil)
+		})
+	})
+}