/*
 * Copyright 2021 American Express
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

package git

import (
	"io"
	"strings"
	"testing"
)

func TestParseGitLog(t *testing.T) {
	gitReader := strings.NewReader(`commit 719709695ab1041c8cde51b721cdc4e63cbac389 (HEAD -> example, origin/example)
	Author: Foo Bar <foo@bar.com>
	Date:   Fri Jan 17 11:34:35 2020 -0700
	
		feature(test): Important GIT diff test
		
		Test parsing sample git log
	
	diff --git a/sample.go b/sample.go
	index 3c3108d..f53837c 100644
	--- a/sample.go
	+++ b/sample.go
	@@ -1,3+1,3 @@ FIRST LINE
	-       DELETED THIS LINE
	+       ADDED THIS LINE
	+       ADDED THIS LINE AGAIN
	`)

	type args struct {
		r io.Reader
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "Parse example git log",
			args: args{
				r: gitReader,
			},
			wantErr: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			_, err := ParseGitLog(tt.args.r)
			if (err != nil) != tt.wantErr {
				t.Errorf("ParseGitLog() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
		})
	}
}
