e2e test

crates/config/README.md

@@ -106,6 +106,7 @@ etherscan_api_key = "YOURETHERSCANAPIKEY"
 # known error codes are: ["unreachable", "unused-return", "unused-param", "unused-var", "code-size", "shadowing", "func-mutability", "license", "pragma-solidity", "virtual-interfaces", "same-varname"]
 # additional warnings can be added using their numeric error code: ["license", 1337]
 ignored_error_codes = ["license", "code-size"]
+ignored_file_paths = ["path_to_ignore"]
 deny_warnings = false
 match_test = "Foo"
 no_match_test = "Bar"

crates/forge/tests/cli/cmd.rs

@@ -10,7 +10,7 @@ use foundry_test_utils::{
 use semver::Version;
 use std::{
     env, fs,
-    path::PathBuf,
+    path::{Path, PathBuf},
     process::{Command, Stdio},
     str::FromStr,
 };
@@ -666,6 +666,45 @@ contract ATest is DSTest {
     }
 );
 
+// test that `forge build` does not print `(with warnings)` if file path is ignored
+forgetest!(can_compile_without_warnings_ignored_file_paths, |prj, cmd| {
+    let create_config =
+        |ignored_file_paths: Vec<PathBuf>, ignored_error_codes: Vec<SolidityErrorCode>| -> Config {
+            Config { ignored_file_paths, ignored_error_codes, ..Default::default() }
+        };
+
+    // Ignoring path and setting empty error_codes as default would set SpdxLicenseNotProvided
+    let config_with_ignored_paths = create_config(vec![Path::new("src").to_path_buf()], vec![]);
+    prj.write_config(config_with_ignored_paths);
+
+    prj.add_raw_source(
+        "src/example.sol",
+        r"
+pragma solidity *;
+contract A {
+    function testExample() public {}
+}
+",
+    )
+    .unwrap();
+
+    // Build and check for no warnings
+    cmd.args(["build", "--force"]);
+    let out = cmd.stdout_lossy();
+    // expect no warning as path is ignored
+    assert!(out.contains("Compiler run successful!"));
+    assert!(!out.contains("Compiler run successful with warnings:"));
+
+    // Reconfigure without ignored paths or error codes and check for warnings
+    let config_no_ignored = create_config(vec![], vec![]);
+    prj.write_config(config_no_ignored);
+
+    let out = cmd.stdout_lossy();
+    // expect warnings as path is not ignored
+    assert!(out.contains("Compiler run successful with warnings:"), "{out}");
+    assert!(out.contains("Warning") && out.contains("SPDX-License-Identifier"), "{out}");
+});
+
 // test that `forge build` does not print `(with warnings)` if there arent any
 forgetest!(can_compile_without_warnings, |prj, cmd| {
     let config = Config {