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#![cfg(test)]
use std::fs::File;
use std::io::{BufReader, Write};
use std::path::Path;
use bytelines::ByteLines;
use itertools;
use crate::ansi;
use crate::cli;
use crate::config;
use crate::delta::delta;
use crate::git_config::GitConfig;
pub fn make_options_from_args_and_git_config(
args: &[&str],
git_config_contents: Option<&[u8]>,
git_config_path: Option<&str>,
) -> cli::Opt {
_make_options_from_args_and_git_config(args, git_config_contents, git_config_path, false)
}
pub fn make_options_from_args_and_git_config_honoring_env_var(
args: &[&str],
git_config_contents: Option<&[u8]>,
git_config_path: Option<&str>,
) -> cli::Opt {
_make_options_from_args_and_git_config(args, git_config_contents, git_config_path, true)
}
fn _make_options_from_args_and_git_config(
args: &[&str],
git_config_contents: Option<&[u8]>,
git_config_path: Option<&str>,
honor_env_var: bool,
) -> cli::Opt {
let mut args: Vec<&str> = itertools::chain(&["/dev/null", "/dev/null"], args)
.map(|s| *s)
.collect();
let mut git_config = match (git_config_contents, git_config_path) {
(Some(contents), Some(path)) => Some(make_git_config(contents, path, honor_env_var)),
_ => {
args.push("--no-gitconfig");
None
}
};
cli::Opt::from_iter_and_git_config(args, &mut git_config)
}
pub fn make_options_from_args(args: &[&str]) -> cli::Opt {
make_options_from_args_and_git_config(args, None, None)
}
#[allow(dead_code)]
pub fn make_config_from_args_and_git_config(
args: &[&str],
git_config_contents: Option<&[u8]>,
git_config_path: Option<&str>,
) -> config::Config {
config::Config::from(make_options_from_args_and_git_config(
args,
git_config_contents,
git_config_path,
))
}
pub fn make_config_from_args(args: &[&str]) -> config::Config {
config::Config::from(make_options_from_args(args))
}
pub fn make_git_config(contents: &[u8], path: &str, honor_env_var: bool) -> GitConfig {
let path = Path::new(path);
let mut file = File::create(path).unwrap();
file.write_all(contents).unwrap();
GitConfig::from_path(&path, honor_env_var)
}
pub fn get_line_of_code_from_delta(
input: &str,
line_number: usize,
expected_text: &str,
config: &config::Config,
) -> String {
let output = run_delta(&input, config);
let line_of_code = output.lines().nth(line_number).unwrap();
assert!(ansi::strip_ansi_codes(line_of_code) == expected_text);
line_of_code.to_string()
}
pub fn run_delta(input: &str, config: &config::Config) -> String {
let mut writer: Vec<u8> = Vec::new();
delta(
ByteLines::new(BufReader::new(input.as_bytes())),
&mut writer,
&config,
)
.unwrap();
String::from_utf8(writer).unwrap()
}
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