split tests into separate files

lang/parser_server_test.go

@@ -0,0 +1,47 @@
+package lang
+
+import (
+	"testing"
+)
+
+func TestParseServerDefinitions(t *testing.T) {
+	tests := []struct {
+		name    string
+		input   string
+		want    AST
+		wantErr bool
+	}{
+		{
+			name:  "simple server definition",
+			input: `server MyApp host "localhost" port 8080`,
+			want: AST{
+				Definitions: []Definition{
+					{
+						Server: &Server{
+							Name: "MyApp",
+							Settings: []ServerSetting{
+								{Host: stringPtr("localhost")},
+								{Port: intPtr(8080)},
+							},
+						},
+					},
+				},
+			},
+			wantErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := ParseInput(tt.input)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("ParseInput() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+
+			if !tt.wantErr && !astEqual(got, tt.want) {
+				t.Errorf("ParseInput() mismatch.\nGot: %+v\nWant: %+v", got, tt.want)
+			}
+		})
+	}
+}