client io architecture

pkg/util/fs_unix_test.go

@@ -0,0 +1,22 @@
+//go:build unix || (js && wasm) || wasip1
+
+package util_test
+
+import (
+	"galaxy/util"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestWritable(t *testing.T) {
+	root := t.ArtifactDir()
+
+	ok, err := util.Writable(root)
+	assert.NoError(t, err, "directory writable check")
+	assert.True(t, ok, "directory should be writable")
+
+	ok, err = util.Writable(nonWritableDir)
+	assert.NoError(t, err, "system directory writable check")
+	assert.False(t, ok, "system directory should not be writable")
+}