diff --git a/internal/adapter/yamlls/yamlls_test.go b/internal/adapter/yamlls/yamlls_test.go
new file mode 100644
index 0000000..feaa82c
--- /dev/null
+++ b/internal/adapter/yamlls/yamlls_test.go
@@ -0,0 +1,31 @@
+package yamlls
+
+import (
+	"testing"
+
+	"github.com/mrjosh/helm-ls/internal/util"
+	"github.com/stretchr/testify/assert"
+	"go.lsp.dev/uri"
+)
+
+func TestIsRelevantFile(t *testing.T) {
+	connector := Connector{
+		config: util.YamllsConfiguration{
+			Enabled:                  true,
+			EnabledForFileExtensions: []string{".yaml", ".yml"},
+		},
+	}
+	assert.True(t, connector.isRelevantFile(uri.File("test.yaml")))
+	assert.False(t, connector.isRelevantFile(uri.File("_helpers.tpl")))
+}
+
+func TestShouldRun(t *testing.T) {
+	connector := Connector{
+		config: util.YamllsConfiguration{
+			Enabled:                  true,
+			EnabledForFileExtensions: []string{".yaml", ".yml"},
+		},
+	}
+	assert.False(t, connector.shouldRun(uri.File("test.yaml")))
+	assert.False(t, connector.shouldRun(uri.File("_helpers.tpl")))
+}