Fix nested string interpolation test

crates/repl_test/src/cli.rs

@@ -3,6 +3,7 @@ use std::io::Write;
 use std::path::PathBuf;
 use std::process::{Command, ExitStatus, Stdio};
 
+use roc_repl_cli::repl_state::TIPS;
 use roc_repl_cli::{SHORT_INSTRUCTIONS, WELCOME_MESSAGE};
 use roc_test_utils::assert_multiline_str_eq;
 
@@ -152,7 +153,22 @@ pub fn expect_failure(input: &str, expected: &str) {
     match out.stdout.find(ERROR_MESSAGE_START) {
         Some(index) => {
             assert_multiline_str_eq!("", out.stderr.as_str());
-            assert_multiline_str_eq!(expected, &out.stdout[index..]);
+
+            // For some unknown reason, in the non-wasm tests, if there's a syntax error
+            // (e.g. in the nested string interpolation test), it prints the tips at the end.
+            // This doesn't happen in the actual CLI repl or in the wasm tests.
+            //
+            // Ideally we'd figure out why that's happening and stop it from happening,
+            // but since it only happens in the CLI tests, in the meantime this is an acceptable fix.
+            let tips_index = out
+                .stdout
+                .rfind(std::str::from_utf8(&strip_ansi_escapes::strip(TIPS).unwrap()).unwrap())
+                .unwrap_or(out.stdout.len());
+
+            assert_multiline_str_eq!(
+                expected.trim_end(),
+                out.stdout[index..tips_index].trim_end()
+            );
             assert!(out.status.success());
         }
         None => {

crates/repl_test/src/tests.rs

@@ -1380,22 +1380,7 @@ fn interpolation_with_nested_interpolation() {
 
                 You can learn more about string interpolation at
                 <https://www.roc-lang.org/tutorial#string-interpolation>
-
-
-                Enter an expression to evaluate, or a definition (like x = 1) to use in future expressions.
-
-                Unless there was a compile-time error, expressions get automatically named so you can refer to them later.
-                For example, if you see # val1 after an output, you can now refer to that expression as val1 in future expressions.
-
-                Tips:
-
-                  - ctrl-v + ctrl-j makes a newline
-
-                  - :q to quit
-
-                  - :help"#
+            "#
         ),
-        // TODO figure out why the tests prints the repl help text at the end, but only after syntax errors or something?
-        // In the actual repl this doesn't happen, only in the test.
     );
 }