Make string matcher for libexpr texts like others

Ericson2314 · glittershark · Ericson2314 · commit 8c113f80f3e0 · 2025-11-10T00:54:20.000-05:00
Forgot to print in one case

Co-authored-by: Aspen Smith &lt;root@gws.fyi&gt;
diff --git a/src/libexpr-test-support/include/nix/expr/tests/libexpr.hh b/src/libexpr-test-support/include/nix/expr/tests/libexpr.hh
@@ -104,6 +104,7 @@ MATCHER(IsAttrs, "")
 MATCHER_P(IsStringEq, s, fmt("The string is equal to \"%1%\"", s))
 {
     if (arg.type() != nString) {
+        *result_listener << "Expected a string got " << arg.type();
         return false;
     }
     return arg.string_view() == s;

Original file line number	Diff line number	Diff line change
`@@ -104,6 +104,7 @@ MATCHER(IsAttrs, "")`
`104`	`104`	`MATCHER_P(IsStringEq, s, fmt("The string is equal to \"%1%\"", s))`
`105`	`105`	`{`
`106`	`106`	`if (arg.type() != nString) {`
	`107`	`+ *result_listener << "Expected a string got " << arg.type();`
`107`	`108`	`return false;`
`108`	`109`	`}`
`109`	`110`	`return arg.string_view() == s;`