add tests

diagnostics_test.go

@@ -0,0 +1,28 @@
+package protocol_test
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/laravel-ls/protocol"
+)
+
+func Test_Diagnostics_StructsUnmarshalValidJSON(t *testing.T) {
+	var diag protocol.Diagnostic
+	if err := json.Unmarshal([]byte(`{
+		"range":{"start":{"line":1,"character":1},"end":{"line":1,"character":3}},
+		"severity":1,
+		"code":"E100",
+		"codeDescription":{"href":"https://example.com/E100"},
+		"source":"golangci-lint",
+		"message":"example diagnostic",
+		"tags":[1],
+		"relatedInformation":[{"location":{"uri":"file:///tmp/main.go","range":{"start":{"line":0,"character":0},"end":{"line":0,"character":1}}},"message":"related"}],
+		"data":{"k":"v"}
+	}`), &diag); err != nil {
+		t.Fatalf("unmarshal Diagnostic failed: %v", err)
+	}
+	if diag.Message != "example diagnostic" || diag.CodeDescription == nil {
+		t.Fatalf("unexpected Diagnostic: %+v", diag)
+	}
+}