initial commit

Signed-off-by: Jason Hall <jason@chainguard.dev>

tests/integration.rs

@@ -0,0 +1,58 @@
+//! Integration tests
+
+use testscript_rs::testscript;
+
+#[test]
+fn test_basic_api() {
+    use std::fs;
+    use tempfile::TempDir;
+
+    let temp_dir = TempDir::new().unwrap();
+    let testdata_dir = temp_dir.path().join("testdata");
+    fs::create_dir(&testdata_dir).unwrap();
+
+    let test_content = r#"exec echo hello
+stdout hello
+
+-- file.txt --
+content"#;
+
+    fs::write(testdata_dir.join("basic.txt"), test_content).unwrap();
+
+    let result = testscript::run(testdata_dir.to_string_lossy()).execute();
+    assert!(result.is_ok());
+}
+
+#[test]
+fn test_custom_commands() {
+    use std::fs;
+    use tempfile::TempDir;
+
+    let temp_dir = TempDir::new().unwrap();
+    let testdata_dir = temp_dir.path().join("testdata");
+    fs::create_dir(&testdata_dir).unwrap();
+
+    let test_content = r#"greet Alice
+greet Bob
+count-args one two three"#;
+
+    fs::write(testdata_dir.join("custom.txt"), test_content).unwrap();
+
+    let result = testscript::run(testdata_dir.to_string_lossy())
+        .command("greet", |_env, args| {
+            if args.is_empty() {
+                return Err(testscript_rs::Error::Generic("greet requires a name".to_string()));
+            }
+            // Custom command logic would go here
+            Ok(())
+        })
+        .command("count-args", |_env, args| {
+            if args.len() != 3 {
+                return Err(testscript_rs::Error::Generic(format!("expected 3 args, got {}", args.len())));
+            }
+            Ok(())
+        })
+        .execute();
+
+    assert!(result.is_ok());
+}