Add basic unittest for limayaml validate

Signed-off-by: Anders F Björklund <anders.f.bjorklund@gmail.com>

pkg/limayaml/validate_test.go

@@ -0,0 +1,26 @@
+package limayaml
+
+import (
+	"os"
+	"testing"
+
+	"gotest.tools/v3/assert"
+)
+
+func TestValidateEmpty(t *testing.T) {
+	y, err := Load([]byte{}, "empty.yaml")
+	assert.NilError(t, err)
+	err = Validate(y, false)
+	assert.Error(t, err, "field `images` must be set")
+}
+
+// Note: can't embed symbolic links, use "os"
+
+func TestValidateDefault(t *testing.T) {
+	bytes, err := os.ReadFile("default.yaml")
+	assert.NilError(t, err)
+	y, err := Load(bytes, "default.yaml")
+	assert.NilError(t, err)
+	err = Validate(y, true)
+	assert.NilError(t, err)
+}