public void testMapLiteralAsRecord_duplicateKeys() {
SoyFileSetNode soyTree =
SoyFileSetParserBuilder.forFileContents(
constructTemplateSource("{let $map: ['a': 1, 'a': 2]/}"))
.declaredSyntaxVersion(SyntaxVersion.V2_0)
.doRunInitialParsingPasses(false)
.typeRegistry(typeRegistry)
.parse();
createResolveNamesVisitorForMaxSyntaxVersion().exec(soyTree);
FormattingErrorReporter reporter = new FormattingErrorReporter();
new ResolveExpressionTypesVisitor(typeRegistry, SyntaxVersion.V9_9, reporter).exec(soyTree);
assertThat(Iterables.getOnlyElement(reporter.getErrorMessages()))
.isEqualTo("Record literals with duplicate keys are not allowed. Duplicate key: 'a'");
}
/**
* Checks that the given Soy expression causes a SoySyntaxException during translation, optionally
* checking the exception's error message.
*
* @param soyExpr The Soy expression to test.
* @param expectedErrorMsgSubstrings An expected substring of the expected exception's message.
* @param jsSrcOptions The JsSrc compiler options.
*/
private void assertSoyErrors(
String soyExpr, SoyJsSrcOptions jsSrcOptions, String... expectedErrorMsgSubstrings) {
ExprNode exprNode =
new ExpressionParser(soyExpr, SourceLocation.UNKNOWN, ExplodingErrorReporter.get())
.parseExpression();
FormattingErrorReporter errorReporter = new FormattingErrorReporter();
new TranslateToJsExprVisitor(
SOY_JS_SRC_FUNCTIONS_MAP, jsSrcOptions, LOCAL_VAR_TRANSLATIONS, errorReporter)
.exec(exprNode);
ImmutableList<String> errorMessages = errorReporter.getErrorMessages();
assertThat(errorMessages).hasSize(expectedErrorMsgSubstrings.length);
for (int i = 0; i < expectedErrorMsgSubstrings.length; ++i) {
assertThat(errorMessages.get(i)).contains(expectedErrorMsgSubstrings[i]);
}
}