fix enron test

tests/enron.rs

@@ -2,9 +2,21 @@ use std::collections::HashSet;
 use std::path::PathBuf;
 use std::fs::File;
 use std::io::Read;
-use imf_codec::fragments::header;
+use imf_codec::multipass;
+use imf_codec::fragments::section;
 use walkdir::WalkDir;
 
+fn parser<'a, F>(input: &'a [u8], func: F) -> ()
+where F: FnOnce(&section::Section) -> () {
+    let seg = multipass::segment::new(input).unwrap();
+    let charset = seg.charset();
+    let fields = charset.fields().unwrap();
+    let field_names = fields.names();
+    let field_body = field_names.body();
+    let section = field_body.section();
+
+    func(&section.fields);
+}
 
 #[test]
 #[ignore]
@@ -91,16 +103,11 @@ fn test_enron500k() {
             f.read_to_end(&mut raw).unwrap();
 
             // parse
-            let (email, encoding, malformed) = header::from_bytes(&raw);
-            //println!("Encoding: {:?}, Malformed: {:?}", encoding, malformed);
-
-            let (input, hdrs) = header::section(&email).unwrap();
-            //println!("{:?}", hdrs);
+            parser(&raw, |hdrs| {
                 let ok_date = hdrs.date.is_some();
                 let ok_from = hdrs.from.len() > 0;
                 let ok_fields = hdrs.bad_fields.len() == 0;
 
-            let p = entry.path();
                 if !ok_date || !ok_from || !ok_fields {
                     println!("Issue with: {}", suffix);
                 }
@@ -119,6 +126,7 @@ fn test_enron500k() {
                 if i % 1000 == 0 {
                     println!("Analyzed emails: {}", i);
                 }
+            })
         } 
     }
 }