Fixed EOF error call (#167)

parsers/uniprot/uniprot.go

@@ -60,21 +60,21 @@ func ParseUniprot(r io.Reader, entries chan<- Entry, errors chan<- error) {
 	decoder := xml.NewDecoder(r)
 	for {
 		decoderToken, err := decoder.Token()
+
 		if err != nil {
+			if err.Error() == "EOF" {
+				break
+			}
 			errors <- err
 		}
-		if decoderToken == nil {
-			break
-		}
-		// type assertion
 		startElement, ok := decoderToken.(xml.StartElement)
 		if ok && startElement.Name.Local == "entry" {
-				var e Entry
-				err = decoder.DecodeElement(&e, &startElement)
-				if err != nil {
-					errors <- err
-				}
-				entries <- e
+			var e Entry
+			err = decoder.DecodeElement(&e, &startElement)
+			if err != nil {
+				errors <- err
+			}
+			entries <- e
 		}
 	}
 	close(entries)

parsers/uniprot/uniprot_test.go

@@ -2,8 +2,8 @@ package uniprot
 
 import (
 	"compress/gzip"
-	"os"
 	"fmt"
+	"os"
 	"testing"
 )
 
@@ -20,18 +20,18 @@ func ExampleReadUniprot() {
 
 func ExampleParseUniprot() {
 	xmlFile, _ := os.Open("data/uniprot_sprot_mini.xml.gz")
-        unzippedBytes, _ := gzip.NewReader(xmlFile)
+	unzippedBytes, _ := gzip.NewReader(xmlFile)
 
 	entries := make(chan Entry, 100) // if you don't have a buffered channel, nothing will be read in loops on the channel.
-        decoderErrors := make(chan error, 100)
+	decoderErrors := make(chan error, 100)
 	go ParseUniprot(unzippedBytes, entries, decoderErrors)
 
 	var entry Entry
-        for singleEntry := range entries {
-                entry = singleEntry
-        }
-        fmt.Println(entry.Accession[0])
-        // Output: O55723
+	for singleEntry := range entries {
+		entry = singleEntry
+	}
+	fmt.Println(entry.Accession[0])
+	// Output: O55723
 }
 
 func TestReadUniprot(t *testing.T) {
@@ -44,4 +44,15 @@ func TestReadUniprot(t *testing.T) {
 	if err == nil {
 		t.Errorf("Failed to fail on empty file")
 	}
+
+	_, errors, err := ReadUniprot("data/uniprot_sprot_mini.xml.gz")
+	if err != nil {
+		t.Errorf("Failed on real file with error: %v", err)
+	}
+
+	for err := range errors {
+		if err != nil {
+			t.Errorf("Failed during parsing with error: %v", err)
+		}
+	}
 }