1 files changed, 39 insertions, 0 deletions
diff --git a/tests/test_processing.rs b/tests/test_processing.rs
new file mode 100644
index 0000000..7bdfdd1
--- /dev/null
+++ b/tests/test_processing.rs
@@ -0,0 +1,39 @@
+// Copyright 2019 Alexandros Frantzis
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at https://mozilla.org/MPL/2.0/.
+//
+// SPDX-License-Identifier: MPL-2.0
+
+use mda::Email;
+
+static TEST_EMAIL: &'static str = "Return-Path: <me@source.com>
+To: Destination <someone.else@destination.com>
+Cc: firstcc <firstcc@destination.com>,
+ secondcc <secondcc@destination.com>,
+    thirsdcc <secondcc@destination.com>
+
+To: Body <body@destination.com>
+Body body body
+";
+
+#[test]
+fn filtering_creates_new_email() {
+    let email = Email::from_vec(TEST_EMAIL.to_string().into_bytes()).unwrap();
+
+    let email = email.filter(&["sed", "s/destination.com/newdest.com/g"]).unwrap();
+
+    assert_eq!(email.header_field("To").unwrap().trim(), "Destination <someone.else@newdest.com>");
+}
+
+#[test]
+fn processing_returns_output() {
+    let email = Email::from_vec(TEST_EMAIL.to_string().into_bytes()).unwrap();
+
+    let output_dest = email.process(&["grep", "Destination"]).unwrap();
+    let output_some = email.process(&["grep", "SomeInexistentString"]).unwrap();
+
+    assert_eq!(output_dest.status.code().unwrap(), 0);
+    assert_eq!(output_some.status.code().unwrap(), 1);
+}