Merge pull request #5 from oli-obk/runtest

Test that ui tests actually work

Author: oli-obk

Cargo.toml

@@ -4,6 +4,7 @@ version = "0.1.1"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 description = "A test framework for testing rustc diagnostics output"
+rust-version = "1.63"
 
 [lib]
 test = true # we have unit tests

rust-toolchain.toml

@@ -0,0 +1,4 @@
+[toolchain]
+channel = "1.63.0"
+components = [ "rustfmt", "clippy" ]
+profile = "minimal"

src/lib.rs

@@ -55,6 +55,32 @@ pub struct Config {
     pub quiet: bool,
 }
 
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            args: vec![],
+            target: None,
+            stderr_filters: vec![],
+            stdout_filters: vec![],
+            root_dir: PathBuf::new(),
+            mode: Mode::Fail,
+            program: PathBuf::from("rustc"),
+            output_conflict_handling: OutputConflictHandling::Error,
+            path_filter: vec![],
+            dependencies_crate_manifest_path: None,
+            dependency_builder: None,
+            quiet: true,
+        }
+    }
+}
+
+impl Config {
+    pub fn stderr_filter(&mut self, pattern: &str, replacement: &'static str) {
+        self.stderr_filters
+            .push((Regex::new(pattern).unwrap(), replacement));
+    }
+}
+
 #[derive(Debug)]
 pub struct DependencyBuilder {
     pub program: PathBuf,

tests/integration.rs

@@ -0,0 +1,19 @@
+#[test]
+fn integrations() {
+    run("basic");
+}
+
+fn run(name: &str) {
+    let path = std::path::Path::new(file!()).parent().unwrap();
+
+    let mut cmd = std::process::Command::new(std::env::var_os("CARGO").unwrap());
+    cmd.arg("test");
+
+    cmd.arg("--target-dir");
+    cmd.arg(path.parent().unwrap().join("target"));
+
+    cmd.arg("--manifest-path");
+    cmd.arg(format!("{}/integrations/{name}/Cargo.toml", path.display()));
+
+    assert!(cmd.status().unwrap().success());
+}