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|
use super::utils::truncate::truncate_text;
use super::{Context, Module, ModuleConfig};
use crate::configs::pijul_channel::PijulConfig;
use crate::formatter::StringFormatter;
/// Creates a module with the Pijul channel in the current directory
///
/// Will display the channel lame if the current directory is a pijul repo
pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
let is_repo = context
.try_begin_scan()?
.set_folders(&[".pijul"])
.is_match();
if !is_repo {
return None;
}
let mut module = context.new_module("pijul_channel");
let config: PijulConfig = PijulConfig::try_load(module.config);
// We default to disabled=true, so we have to check after loading our config module.
if config.disabled {
return None;
};
let channel_name = get_pijul_current_channel(context)?;
let truncated_text = truncate_text(
&channel_name,
config.truncation_length as usize,
config.truncation_symbol,
);
let parsed = StringFormatter::new(config.format).and_then(|formatter| {
formatter
.map_meta(|variable, _| match variable {
"symbol" => Some(config.symbol),
_ => None,
})
.map_style(|variable| match variable {
"style" => Some(Ok(config.style)),
_ => None,
})
.map(|variable| match variable {
"channel" => Some(Ok(&truncated_text)),
_ => None,
})
.parse(None, Some(context))
});
module.set_segments(match parsed {
Ok(segments) => segments,
Err(error) => {
log::warn!("Error in module `pijul_channel`:\n{}", error);
return None;
}
});
Some(module)
}
fn get_pijul_current_channel(ctx: &Context) -> Option<String> {
let output = ctx.exec_cmd("pijul", &["channel"])?.stdout;
output
.lines()
.find_map(|l| l.strip_prefix("* "))
.map(str::to_owned)
}
#[cfg(test)]
mod tests {
use nu_ansi_term::{Color, Style};
use std::io;
use std::path::Path;
use crate::test::{fixture_repo, FixtureProvider, ModuleRenderer};
enum Expect<'a> {
ChannelName(&'a str),
Empty,
NoTruncation,
Symbol(&'a str),
Style(Style),
TruncationSymbol(&'a str),
}
#[test]
fn show_nothing_on_empty_dir() -> io::Result<()> {
let repo_dir = tempfile::tempdir()?;
let actual = ModuleRenderer::new("pijul_channel")
.path(repo_dir.path())
.collect();
let expected = None;
assert_eq!(expected, actual);
repo_dir.close()
}
#[test]
fn test_pijul_disabled_per_default() -> io::Result<()> {
let tempdir = fixture_repo(FixtureProvider::Pijul)?;
let repo_dir = tempdir.path();
expect_pijul_with_config(
repo_dir,
Some(toml::toml! {
[pijul_channel]
truncation_length = 14
}),
&[Expect::Empty],
);
tempdir.close()
}
#[test]
fn test_pijul_autodisabled() -> io::Result<()> {
let tempdir = tempfile::tempdir()?;
expect_pijul_with_config(tempdir.path(), None, &[Expect::Empty]);
tempdir.close()
}
#[test]
fn test_pijul_channel() -> io::Result<()> {
let tempdir = fixture_repo(FixtureProvider::Pijul)?;
let repo_dir = tempdir.path();
run_pijul(&["channel", "new", "tributary-48198"], repo_dir)?;
run_pijul(&["channel", "switch", "tributary-48198"], repo_dir)?;
expect_pijul_with_config(
repo_dir,
None,
&[Expect::ChannelName("tributary-48198"), Expect::NoTruncation],
);
tempdir.close()
}
#[test]
fn test_pijul_configured() -> io::Result<()> {
let tempdir = fixture_repo(FixtureProvider::Pijul)?;
let repo_dir = tempdir.path();
run_pijul(&["channel", "new", "tributary-48198"], repo_dir)?;
run_pijul(&["channel", "switch", "tributary-48198"], repo_dir)?;
expect_pijul_with_config(
repo_dir,
Some(toml::toml! {
[pijul_channel]
style = "underline blue"
symbol = "P "
truncation_length = 14
truncation_symbol = "%"
disabled = false
}),
&[
Expect::ChannelName("tributary-4819"),
Expect::Style(Color::Blue.underline()),
Expect::Symbol("P"),
Expect::TruncationSymbol("%"),
],
);
tempdir.close()
}
fn expect_pijul_with_config(
repo_dir: &Path,
config: Option<toml::Value>,
expectations: &[Expect],
) {
let actual = ModuleRenderer::new("pijul_channel")
.path(repo_dir.to_str().unwrap())
.config(config.unwrap_or_else(|| {
toml::toml! {
[pijul_channel]
disabled = false
}
}))
.collect();
let mut expect_channel_name = "main";
let mut expect_style = Color::Purple.bold();
let mut expect_symbol = "\u{e0a0}";
let mut expect_truncation_symbol = "…";
for expect in expectations {
match expect {
Expect::Empty => {
assert_eq!(None, actual);
return;
}
Expect::Symbol(symbol) => {
expect_symbol = symbol;
}
Expect::TruncationSymbol(truncation_symbol) => {
expect_truncation_symbol = truncation_symbol;
}
Expect::NoTruncation => {
expect_truncation_symbol = "";
}
Expect::ChannelName(channel_name) => {
expect_channel_name = channel_name;
}
Expect::Style(style) => expect_style = *style,
}
}
let expected = Some(format!(
"on {} ",
expect_style.paint(format!(
"{expect_symbol} {expect_channel_name}{expect_truncation_symbol}"
)),
));
assert_eq!(expected, actual);
}
fn run_pijul(args: &[&str], _repo_dir: &Path) -> io::Result<()> {
crate::utils::mock_cmd("pijul", args).ok_or(io::ErrorKind::Unsupported)?;
Ok(())
}
}
|
