add integration tests for fomod parser

tests/fomod_test.rs

@@ -0,0 +1,41 @@
+use std::path::PathBuf;
+
+use fomod_manager::fomod::{self, FOModError};
+
+fn get_parent() -> PathBuf {
+    PathBuf::from(file!()).parent().unwrap().to_owned()
+}
+
+fn get_xml(filename: &str) -> PathBuf {
+    get_parent().join(format!("data/fomod/moduleconfig/{}", filename))
+}
+
+fn err_to_string(e: FOModError) -> String {
+    match e {
+        FOModError::Io(error) => format!("IO: {:?}", error),
+        FOModError::Parse(de_error) => match de_error {
+            quick_xml::DeError::UnexpectedStart(items) => {
+                format!("UnexpectedStart: {}", str::from_utf8(&items).unwrap())
+            }
+            _ => format!("Other: {:?}", de_error),
+        },
+    }
+}
+
+#[test]
+fn parse() {
+    for xml in [
+        "ineed.xml",
+        "trade_barter.xml",
+        "starui.xml",
+        "example_01.xml",
+        "example_02.xml",
+        "example_03.xml",
+        "example_04.xml",
+        "example_05.xml",
+        "banana.xml",
+    ] {
+        fomod::Config::load_from_file(get_xml(xml))
+            .unwrap_or_else(|e| panic!("Parse for {xml} with {}", err_to_string(e)));
+    }
+}