co-author 0.1.1

Co-Author your git commits from the command line
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129

use crate::git::commit_body;
use crate::git::commit_body::GitWrapper;
use crate::git::GitService;
use serial_test::serial;
use std::error::Error;

use git2::Config;

#[test]
#[serial]
fn should_commit() {
	let spy = MockWrapper::new();
	let service = GitService::new(spy);
	let commit_message = "something";
	let aliases = vec![String::from("a")];

	let result = service.commit(commit_message, aliases);

	println!();
	println!("result: {:?}", result);
	println!();
	assert!(result.is_ok());
	// assert!(false)
}

#[test]
#[serial]
fn should_commit_using_git_editor() {
	let spy = MockWrapper::new();
	let service = GitService::new(spy);
	let aliases = vec![String::from("a")];

	let editmsg = ".git/COMMIT_EDITMSG_TEST";
	std::fs::write(editmsg, "himom").unwrap();
	let mut config = Config::open_default().unwrap();
	config.set_str("core.editor", "echo").unwrap();

	let result = service.commit_with_editor(aliases);

	assert!(result.is_ok());
	// Cleanup
	std::fs::remove_file(editmsg).unwrap();
	config.remove("core.editor").unwrap();
}

#[test]
#[serial]
fn should_commit_using_env_editor() {
	let spy = MockWrapper::new();
	let service = GitService::new(spy);
	let aliases = vec![String::from("a")];

	let editmsg = ".git/COMMIT_EDITMSG_TEST";
	std::fs::write(editmsg, "himom").unwrap();
	let mut config = Config::open_default().unwrap();
	config.set_str("core.editor", "NOT_REAL").unwrap();
	std::env::set_var("EDITOR", "echo");

	let result = service.commit_with_editor(aliases);

	assert!(result.is_ok());
	// Cleanup
	std::fs::remove_file(editmsg).unwrap();
	config.remove("core.editor").unwrap();
}

#[test]
fn should_return_last_commit_message_if_present() {
	let last_commit = "msg";
	let wrapper = MockWrapper::with_last_commit(last_commit.to_string());
	let service = GitService::new(wrapper);

	let last_msg = service.last_commit_message();

	assert_eq!(last_msg, last_commit);
}

#[test]
fn should_return_empty_string_if_last_commit_is_not_present() {
	let wrapper = MockWrapper::with_last_commit_err();
	let service = GitService::new(wrapper);

	let last_msg_empty = service.last_commit_message();

	assert_eq!(last_msg_empty, "");
}

struct MockWrapper {
	last_commit: Result<String, Box<dyn Error>>,
}

impl MockWrapper {
	fn new() -> Self {
		Self {
			last_commit: Ok("".to_string()),
		}
	}

	fn with_last_commit(msg: String) -> Self {
		Self { last_commit: Ok(msg) }
	}

	fn with_last_commit_err() -> Self {
		Self {
			last_commit: Err("err".into()),
		}
	}
}

impl GitWrapper for MockWrapper {
	fn commit(&self) -> Result<(), Box<dyn Error>> {
		Ok(())
	}

	fn write_to_editmsg(&self, _: commit_body::CommitBody) -> Result<(), Box<dyn Error>> {
		Ok(())
	}

	fn add_status_to_editmsg(&self) -> Result<(), Box<dyn Error>> {
		Ok(())
	}

	fn prev_commit_msg(&self) -> Result<String, Box<dyn Error>> {
		match &self.last_commit {
			Ok(msg) => Ok(msg.into()),
			Err(_) => Err("".into()),
		}
	}
}