Add some unit test cases for the yaml load

Signed-off-by: Anders F Björklund <[email protected]>

Author: afbjorklund

pkg/limayaml/load_test.go

@@ -0,0 +1,32 @@
+package limayaml
+
+import (
+	"testing"
+
+	"gotest.tools/v3/assert"
+)
+
+func TestLoadEmpty(t *testing.T) {
+	_, err := Load([]byte{}, "empty.yaml")
+	assert.NilError(t, err)
+}
+
+func TestLoadError(t *testing.T) {
+	// missing a "script:" line
+	s := `
+provision:
+- mode: system
+  script: |
+    #!/bin/sh
+    echo one
+- mode: system
+    #!/bin/sh
+    echo two
+- mode: system
+  script: |
+    #!/bin/sh
+    echo three
+`
+	_, err := Load([]byte(s), "error.yaml")
+	assert.ErrorContains(t, err, "failed to unmarshal YAML")
+}