Added tests to the spool package, and reworked the code around that.

spool/parse_test.go

@@ -0,0 +1,41 @@
+package spool
+
+import (
+	"bareos-zabbix-check/job"
+	"bytes"
+	"io"
+	"reflect"
+	"testing"
+	"testing/iotest"
+)
+
+func TestParse(t *testing.T) {
+	readerError := iotest.TimeoutReader(bytes.NewReader([]byte("\n")))
+	readerCorruptedTimestamp := bytes.NewReader([]byte("test,x"))
+	readerOneJob := bytes.NewReader([]byte("test,1"))
+	type args struct {
+		handle io.Reader
+	}
+	tests := []struct {
+		name     string
+		args     args
+		wantJobs []job.Job
+		wantErr  bool
+	}{
+		{"empty", args{readerError}, nil, true},
+		{"corrupted timestamp", args{readerCorruptedTimestamp}, nil, true},
+		{"one job", args{readerOneJob}, []job.Job{{Name: "test", Timestamp: 1, Success: true}}, false},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gotJobs, err := Parse(tt.args.handle)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("Parse() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(gotJobs, tt.wantJobs) {
+				t.Errorf("Parse() = %v, want %v", gotJobs, tt.wantJobs)
+			}
+		})
+	}
+}