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feat(env_var): Add support for env_var.VAR in format (#4497) 

Co-Authored-By: Segev Finer <24731903+segevfiner@users.noreply.github.com>

Co-authored-by: Segev Finer <24731903+segevfiner@users.noreply.github.com>
This commit is contained in:
David Knaack 2022-12-28 21:00:49 +01:00 committed by GitHub
parent f183a4e4c2
commit 5d4cb6ff8f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 430 additions and 170 deletions
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4
.github/config-schema.json vendored
View File

@ -2834,6 +2834,10 @@
"disabled": {
"default": false,
"type": "boolean"
},
"description": {
"default": "<env_var module>",
"type": "string"
}
},
"additionalProperties": false

23
docs/config/README.md
View File

@ -1380,6 +1380,14 @@ The module will be shown only if any of the following conditions are met:
::: tip
The order in which env_var modules are shown can be individually set by including
`${env_var.foo}` in the top level `format` (as it includes a dot, you need to use `${...}`).
By default, the `env_var` module will simply show all env_var modules in the order they were defined.
:::
::: tip
Multiple environmental variables can be displayed by using a `.`. (see example)
If the `variable` configuration option is not set, the module will display value of variable under the name of text after the `.` character.
@ -1396,13 +1404,14 @@ default = 'unknown user'
### Options
| Option | Default | Description |
| ---------- | ------------------------------ | ---------------------------------------------------------------------------- |
| `symbol` | `''` | The symbol used before displaying the variable value. |
| `variable` | | The environment variable to be displayed. |
| `default` | | The default value to be displayed when the selected variable is not defined. |
| `format` | `'with [$env_value]($style) '` | The format for the module. |
| `disabled` | `false` | Disables the `env_var` module. |
| Option | Default | Description |
| ------------- | ------------------------------ | ---------------------------------------------------------------------------- |
| `symbol` | `""` | The symbol used before displaying the variable value. |
| `variable` | | The environment variable to be displayed. |
| `default` | | The default value to be displayed when the selected variable is not defined. |
| `format` | `"with [$env_value]($style) "` | The format for the module. |
| `description` | `"<env_var module>"` | The description of the module that is shown when running `starship explain`. |
| `disabled` | `false` | Disables the `env_var` module. |
### Variables

2
src/configs/env_var.rs
View File

@ -16,6 +16,7 @@ pub struct EnvVarConfig<'a> {
pub default: Option<&'a str>,
pub format: &'a str,
pub disabled: bool,
pub description: &'a str,
}
impl<'a> Default for EnvVarConfig<'a> {
@ -27,6 +28,7 @@ impl<'a> Default for EnvVarConfig<'a> {
default: None,
format: "with [$env_value]($style) ",
disabled: false,
description: "<env_var module>",
}
}
}

9
src/context.rs
View File

@ -238,15 +238,6 @@ impl<'a> Context<'a> {
disabled == Some(true)
}
/// Return whether the specified custom module has a `disabled` option set to true.
/// If it doesn't exist, `None` is returned.
pub fn is_custom_module_disabled_in_config(&self, name: &str) -> Option<bool> {
let config = self.config.get_custom_module_config(name)?;
let disabled = Some(config).and_then(|table| table.as_table()?.get("disabled")?.as_bool());
Some(disabled == Some(true))
}
// returns a new ScanDir struct with reference to current dir_files of context
// see ScanDir for methods
pub fn try_begin_scan(&'a self) -> Option<ScanDir<'a>> {

1
src/module.rs
View File

@ -31,7 +31,6 @@ pub const ALL_MODULES: &[&str] = &[
"dotnet",
"elixir",
"elm",
"env_var",
"erlang",
"fennel",
"fill",

121
src/modules/custom.rs
View File

@ -1,9 +1,9 @@
use std::env;
use std::fmt::{self, Debug};
use std::io::Write;
use std::path::Path;
use std::process::{Command, Stdio};
use std::time::Duration;
use std::time::Instant;
use process_control::{ChildExt, Control, Output};
@ -22,11 +22,11 @@ use crate::{
///
/// Finally, the content of the module itself is also set by a command.
pub fn module<'a>(name: &str, context: &'a Context) -> Option<Module<'a>> {
let start: Instant = Instant::now();
let toml_config = context.config.get_custom_module_config(name).expect(
"modules::custom::module should only be called after ensuring that the module exists",
);
let toml_config = get_config(name, context)?;
let config = CustomConfig::load(toml_config);
if config.disabled {
return None;
}
if let Some(os) = config.os {
if os != env::consts::OS && !(os == "unix" && cfg!(unix)) {
@ -34,7 +34,8 @@ pub fn module<'a>(name: &str, context: &'a Context) -> Option<Module<'a>> {
}
}
let mut module = Module::new(name, config.description, Some(toml_config));
// Note: Forward config if `Module` ends up needing `config`
let mut module = Module::new(&format!("custom.{name}"), config.description, None);
let mut is_match = context
.try_begin_scan()?
@ -48,48 +49,74 @@ pub fn module<'a>(name: &str, context: &'a Context) -> Option<Module<'a>> {
Either::First(b) => b,
Either::Second(s) => exec_when(s, &config, context),
};
if !is_match {
return None;
}
}
if is_match {
let parsed = StringFormatter::new(config.format).and_then(|formatter| {
formatter
.map_meta(|var, _| match var {
"symbol" => Some(config.symbol),
_ => None,
})
.map_style(|variable| match variable {
"style" => Some(Ok(config.style)),
_ => None,
})
.map_no_escaping(|variable| match variable {
"output" => {
let output = exec_command(config.command, context, &config)?;
let trimmed = output.trim();
let parsed = StringFormatter::new(config.format).and_then(|formatter| {
formatter
.map_meta(|var, _| match var {
"symbol" => Some(config.symbol),
_ => None,
})
.map_style(|variable| match variable {
"style" => Some(Ok(config.style)),
_ => None,
})
.map_no_escaping(|variable| match variable {
"output" => {
let output = exec_command(config.command, context, &config)?;
let trimmed = output.trim();
if trimmed.is_empty() {
None
} else {
Some(Ok(trimmed.to_string()))
}
if trimmed.is_empty() {
None
} else {
Some(Ok(trimmed.to_string()))
}
_ => None,
})
.parse(None, Some(context))
});
}
_ => None,
})
.parse(None, Some(context))
});
match parsed {
Ok(segments) => module.set_segments(segments),
Err(error) => {
log::warn!("Error in module `custom.{}`:\n{}", name, error);
}
};
}
let elapsed = start.elapsed();
log::trace!("Took {:?} to compute custom module {:?}", elapsed, name);
module.duration = elapsed;
match parsed {
Ok(segments) => module.set_segments(segments),
Err(error) => {
log::warn!("Error in module `custom.{}`:\n{}", name, error);
}
};
Some(module)
}
/// Gets the TOML config for the custom module, handling the case where the module is not defined
fn get_config<'a>(module_name: &str, context: &'a Context<'a>) -> Option<&'a toml::Value> {
struct DebugCustomModules<'tmp>(&'tmp toml::value::Table);
impl Debug for DebugCustomModules<'_> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_list().entries(self.0.keys()).finish()
}
}
let config = context.config.get_custom_module_config(module_name);
if config.is_some() {
return config;
} else if let Some(modules) = context.config.get_custom_modules() {
log::debug!(
"top level format contains custom module {module_name:?}, but no configuration was provided. Configuration for the following modules were provided: {:?}",
DebugCustomModules(modules),
);
} else {
log::debug!(
"top level format contains custom module {module_name:?}, but no configuration was provided.",
);
};
None
}
/// Return the invoking shell, using `shell` and fallbacking in order to `STARSHIP_SHELL` and "sh"/"cmd"
fn get_shell<'a, 'b>(
shell_args: &'b [&'a str],
@ -680,4 +707,18 @@ mod tests {
dir.close()
}
#[test]
fn disabled() {
let actual = ModuleRenderer::new("custom.test")
.config(toml::toml! {
[custom.test]
disabled = true
when = true
format = "test"
})
.collect();
let expected = None;
assert_eq!(expected, actual);
}
}

217
src/modules/env_var.rs
View File

@ -1,38 +1,9 @@
use super::{Context, Module};
use std::borrow::Cow;
use crate::config::ModuleConfig;
use crate::configs::env_var::EnvVarConfig;
use crate::formatter::StringFormatter;
use crate::segment::Segment;
/// Creates `env_var_module` displayer which displays all configured environmental variables
pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
let config_table = context.config.get_env_var_modules()?;
let mut env_modules = config_table
.iter()
.filter(|(_, config)| config.is_table())
.filter_map(|(variable, _)| env_var_module(vec!["env_var", variable], context))
.collect::<Vec<Module>>();
// Old configuration is present in starship configuration
if config_table.iter().any(|(_, config)| !config.is_table()) {
if let Some(fallback_env_var_module) = env_var_module(vec!["env_var"], context) {
env_modules.push(fallback_env_var_module);
}
}
Some(env_var_displayer(env_modules, context))
}
/// A utility module to display multiple `env_variable` modules
fn env_var_displayer<'a>(modules: Vec<Module>, context: &'a Context) -> Module<'a> {
let mut module = context.new_module("env_var_displayer");
let module_segments = modules
.into_iter()
.flat_map(|module| module.segments)
.collect::<Vec<Segment>>();
module.set_segments(module_segments);
module
}
/// Creates a module with the value of the chosen environment variable
///
@ -40,20 +11,36 @@ fn env_var_displayer<'a>(modules: Vec<Module>, context: &'a Context) -> Module<'
/// - `env_var.disabled` is absent or false
/// - `env_var.variable` is defined
/// - a variable named as the value of `env_var.variable` is defined
fn env_var_module<'a>(module_config_path: Vec<&str>, context: &'a Context) -> Option<Module<'a>> {
let mut module = context.new_module(&module_config_path.join("."));
let config_value = context.config.get_config(&module_config_path);
let config = EnvVarConfig::load(config_value.expect(
"modules::env_var::module should only be called after ensuring that the module exists",
));
pub fn module<'a>(name: Option<&str>, context: &'a Context) -> Option<Module<'a>> {
let toml_config = match name {
Some(name) => context
.config
.get_config(&["env_var", name])
.map(Cow::Borrowed),
None => context
.config
.get_module_config("env_var")
.and_then(filter_config)
.map(Cow::Owned)
.map(Some)?,
};
let mod_name = match name {
Some(name) => format!("env_var.{}", name),
None => "env_var".to_owned(),
};
let config = EnvVarConfig::try_load(toml_config.as_deref());
// Note: Forward config if `Module` ends up needing `config`
let mut module = Module::new(&mod_name, config.description, None);
if config.disabled {
return None;
};
let variable_name = get_variable_name(module_config_path, &config);
let variable_name = config.variable.or(name)?;
let env_value = get_env_value(context, variable_name?, config.default)?;
let env_value = context.get_env(variable_name);
let env_value = env_value.as_deref().or(config.default)?;
let parsed = StringFormatter::new(config.format).and_then(|formatter| {
formatter
.map_meta(|var, _| match var {
@ -65,7 +52,7 @@ fn env_var_module<'a>(module_config_path: Vec<&str>, context: &'a Context) -> Op
_ => None,
})
.map(|variable| match variable {
"env_value" => Some(Ok(&env_value)),
"env_value" => Some(Ok(env_value)),
_ => None,
})
.parse(None, Some(context))
@ -82,24 +69,22 @@ fn env_var_module<'a>(module_config_path: Vec<&str>, context: &'a Context) -> Op
Some(module)
}
fn get_variable_name<'a>(
module_config_path: Vec<&'a str>,
config: &'a EnvVarConfig,
) -> Option<&'a str> {
match config.variable {
Some(v) => Some(v),
None => {
let last_element = module_config_path.last()?;
Some(*last_element)
}
}
}
fn get_env_value(context: &Context, name: &str, default: Option<&str>) -> Option<String> {
match context.get_env(name) {
Some(value) => Some(value),
None => default.map(std::borrow::ToOwned::to_owned),
}
/// Filter `config` to only includes non-table values
/// This filters the top-level table to only include its specific configuation
fn filter_config(config: &toml::Value) -> Option<toml::Value> {
let o = config
.as_table()
.map(|table| {
table
.iter()
.filter(|(_key, val)| !val.is_table())
.map(|(key, val)| (key.to_owned(), val.to_owned()))
.collect::<toml::value::Table>()
})
.filter(|table| !table.is_empty())
.map(toml::Value::Table);
log::trace!("Filtered top-level env_var config: {o:?}");
o
}
#[cfg(test)]
@ -133,7 +118,7 @@ mod test {
#[test]
fn defined_variable() {
let actual = ModuleRenderer::new("env_var")
let actual = ModuleRenderer::new("env_var.TEST_VAR")
.config(toml::toml! {
[env_var.TEST_VAR]
})
@ -146,7 +131,7 @@ mod test {
#[test]
fn undefined_variable() {
let actual = ModuleRenderer::new("env_var")
let actual = ModuleRenderer::new("env_var.TEST_VAR")
.config(toml::toml! {
[env_var.TEST_VAR]
})
@ -158,7 +143,7 @@ mod test {
#[test]
fn default_has_no_effect() {
let actual = ModuleRenderer::new("env_var")
let actual = ModuleRenderer::new("env_var.TEST_VAR")
.config(toml::toml! {
[env_var.TEST_VAR]
default = "N/A"
@ -172,7 +157,7 @@ mod test {
#[test]
fn default_takes_effect() {
let actual = ModuleRenderer::new("env_var")
let actual = ModuleRenderer::new("env_var.UNDEFINED_TEST_VAR")
.config(toml::toml! {
[env_var.UNDEFINED_TEST_VAR]
default = "N/A"
@ -185,7 +170,7 @@ mod test {
#[test]
fn symbol() {
let actual = ModuleRenderer::new("env_var")
let actual = ModuleRenderer::new("env_var.TEST_VAR")
.config(toml::toml! {
[env_var.TEST_VAR]
format = "with [■ $env_value](black bold dimmed) "
@ -202,7 +187,7 @@ mod test {
#[test]
fn prefix() {
let actual = ModuleRenderer::new("env_var")
let actual = ModuleRenderer::new("env_var.TEST_VAR")
.config(toml::toml! {
[env_var.TEST_VAR]
format = "with [_$env_value](black bold dimmed) "
@ -219,7 +204,7 @@ mod test {
#[test]
fn suffix() {
let actual = ModuleRenderer::new("env_var")
let actual = ModuleRenderer::new("env_var.TEST_VAR")
.config(toml::toml! {
[env_var.TEST_VAR]
format = "with [${env_value}_](black bold dimmed) "
@ -236,7 +221,7 @@ mod test {
#[test]
fn display_few() {
let actual = ModuleRenderer::new("env_var")
let actual1 = ModuleRenderer::new("env_var.TEST_VAR")
.config(toml::toml! {
[env_var.TEST_VAR]
[env_var.TEST_VAR2]
@ -244,11 +229,103 @@ mod test {
.env("TEST_VAR", TEST_VAR_VALUE)
.env("TEST_VAR2", TEST_VAR_VALUE)
.collect();
let expected = Some(format!(
"with {} with {} ",
style().paint(TEST_VAR_VALUE),
style().paint(TEST_VAR_VALUE)
));
let actual2 = ModuleRenderer::new("env_var.TEST_VAR2")
.config(toml::toml! {
[env_var.TEST_VAR]
[env_var.TEST_VAR2]
})
.env("TEST_VAR", TEST_VAR_VALUE)
.env("TEST_VAR2", TEST_VAR_VALUE)
.collect();
let expected = Some(format!("with {} ", style().paint(TEST_VAR_VALUE)));
assert_eq!(expected, actual1);
assert_eq!(expected, actual2);
}
#[test]
fn mixed() {
let cfg = toml::toml! {
[env_var]
variable = "TEST_VAR_OUTER"
format = "$env_value"
[env_var.TEST_VAR_INNER]
format = "$env_value"
};
let actual_inner = ModuleRenderer::new("env_var.TEST_VAR_INNER")
.config(cfg.clone())
.env("TEST_VAR_OUTER", "outer")
.env("TEST_VAR_INNER", "inner")
.collect();
assert_eq!(
actual_inner.as_deref(),
Some("inner"),
"inner module should be rendered"
);
let actual_outer = ModuleRenderer::new("env_var")
.config(cfg)
.env("TEST_VAR_OUTER", "outer")
.env("TEST_VAR_INNER", "inner")
.collect();
assert_eq!(
actual_outer.as_deref(),
Some("outer"),
"outer module should be rendered"
);
}
#[test]
fn no_config() {
let actual = ModuleRenderer::new("env_var.TEST_VAR")
.env("TEST_VAR", TEST_VAR_VALUE)
.collect();
let expected = Some(format!("with {} ", style().paint(TEST_VAR_VALUE)));
assert_eq!(expected, actual);
}
#[test]
fn disabled_child() {
let actual = ModuleRenderer::new("env_var.TEST_VAR")
.config(toml::toml! {
[env_var.TEST_VAR]
disabled = true
})
.env("TEST_VAR", TEST_VAR_VALUE)
.collect();
let expected = None;
assert_eq!(expected, actual);
}
#[test]
fn disabled_root() {
let actual = ModuleRenderer::new("env_var")
.config(toml::toml! {
[env_var]
disabled = true
})
.env("TEST_VAR", TEST_VAR_VALUE)
.collect();
let expected = None;
assert_eq!(expected, actual);
}
#[test]
fn variable_override() {
let actual = ModuleRenderer::new("env_var.TEST_VAR")
.config(toml::toml! {
[env_var.TEST_VAR]
variable = "TEST_VAR2"
})
.env("TEST_VAR", "implicit name")
.env("TEST_VAR2", "explicit name")
.collect();
let expected = Some(format!("with {} ", style().paint("explicit name")));
assert_eq!(expected, actual);
}

8
src/modules/mod.rs
View File

@ -122,8 +122,8 @@ pub fn handle<'a>(module: &str, context: &'a Context) -> Option<Module<'a>> {
"elixir" => elixir::module(context),
"elm" => elm::module(context),
"erlang" => erlang::module(context),
"env_var" => env_var::module(None, context),
"fennel" => fennel::module(context),
"env_var" => env_var::module(context),
"fill" => fill::module(context),
"gcloud" => gcloud::module(context),
"git_branch" => git_branch::module(context),
@ -183,8 +183,9 @@ pub fn handle<'a>(module: &str, context: &'a Context) -> Option<Module<'a>> {
"vagrant" => vagrant::module(context),
"vcsh" => vcsh::module(context),
"zig" => zig::module(context),
// Added for tests, avoid potential side effects in production code.
#[cfg(test)]
env if env.starts_with("env_var.") => {
env_var::module(env.strip_prefix("env_var."), context)
}
custom if custom.starts_with("custom.") => {
// SAFETY: We just checked that the module starts with "custom."
custom::module(custom.strip_prefix("custom.").unwrap(), context)
@ -233,7 +234,6 @@ pub fn description(module: &str) -> &'static str {
"dotnet" => "The relevant version of the .NET Core SDK for the current directory",
"elixir" => "The currently installed versions of Elixir and OTP",
"elm" => "The currently installed version of Elm",
"env_var" => "Displays the current value of a selected environment variable",
"erlang" => "Current OTP version",
"fennel" => "The currently installed version of Fennel",
"fill" => "Fills the remaining space on the line with a pad string",

215
src/print.rs
View File

@ -2,7 +2,7 @@ use clap::{builder::PossibleValue, ValueEnum};
use nu_ansi_term::AnsiStrings;
use rayon::prelude::*;
use std::collections::BTreeSet;
use std::fmt::{self, Debug, Write as FmtWrite};
use std::fmt::{Debug, Write as FmtWrite};
use std::io::{self, Write};
use std::time::Duration;
use terminal_size::terminal_size;
@ -313,14 +313,6 @@ fn handle_module<'a>(
context: &'a Context,
module_list: &BTreeSet<String>,
) -> Vec<Module<'a>> {
struct DebugCustomModules<'tmp>(&'tmp toml::value::Table);
impl Debug for DebugCustomModules<'_> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_list().entries(self.0.keys()).finish()
}
}
let mut modules: Vec<Module> = Vec::new();
if ALL_MODULES.contains(&module) {
@ -328,34 +320,29 @@ fn handle_module<'a>(
if !context.is_module_disabled_in_config(module) {
modules.extend(modules::handle(module, context));
}
} else if module == "custom" {
// Write out all custom modules, except for those that are explicitly set
if let Some(custom_modules) = context.config.get_custom_modules() {
let custom_modules = custom_modules.iter().filter_map(|(custom_module, config)| {
if should_add_implicit_custom_module(custom_module, config, module_list) {
modules::custom::module(custom_module, context)
} else {
None
}
});
modules.extend(custom_modules);
} else if module.starts_with("custom.") || module.starts_with("env_var.") {
// custom.<name> and env_var.<name> are special cases and handle disabled modules themselves
modules.extend(modules::handle(module, context));
} else if matches!(module, "custom" | "env_var") {
// env var is a spacial case and may contain a top-level module definition
if module == "env_var" {
modules.extend(modules::handle(module, context));
}
} else if let Some(module) = module.strip_prefix("custom.") {
// Write out a custom module if it isn't disabled (and it exists...)
match context.is_custom_module_disabled_in_config(module) {
Some(true) => (), // Module is disabled, we don't add it to the prompt
Some(false) => modules.extend(modules::custom::module(module, context)),
None => match context.config.get_custom_modules() {
Some(modules) => log::debug!(
"top level format contains custom module \"{}\", but no configuration was provided. Configuration for the following modules were provided: {:?}",
module,
DebugCustomModules(modules),
),
None => log::debug!(
"top level format contains custom module \"{}\", but no configuration was provided.",
module,
),
},
// Write out all custom modules, except for those that are explicitly set
for (child, config) in context
.config
.get_config(&[module])
.and_then(|config| config.as_table().map(|t| t.iter()))
.into_iter()
.flatten()
{
// Some env var keys may be part of a top-level module definition
if module == "env_var" && !config.is_table() {
continue;
} else if should_add_implicit_module(module, child, config, module_list) {
modules.extend(modules::handle(&format!("{module}.{child}"), context));
}
}
} else {
log::debug!(
@ -368,12 +355,13 @@ fn handle_module<'a>(
modules
}
fn should_add_implicit_custom_module(
custom_module: &str,
fn should_add_implicit_module(
parent_module: &str,
child_module: &str,
config: &toml::Value,
module_list: &BTreeSet<String>,
) -> bool {
let explicit_module_name = format!("custom.{custom_module}");
let explicit_module_name = format!("{parent_module}.{child_module}");
let is_explicitly_specified = module_list.contains(&explicit_module_name);
if is_explicitly_specified {
@ -539,4 +527,153 @@ mod test {
fn print_schema_does_not_panic() {
print_schema();
}
#[test]
fn custom_expands() -> std::io::Result<()> {
let dir = tempfile::tempdir()?;
let mut context = default_context();
context.current_dir = dir.path().to_path_buf();
context.config = StarshipConfig {
config: Some(toml::toml! {
format="$custom"
[custom.a]
when=true
format="a"
[custom.b]
when=true
format="b"
}),
};
context.root_config.format = "$custom".to_string();
let expected = String::from("\nab");
let actual = get_prompt(context);
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn env_expands() {
let mut context = default_context();
context.config = StarshipConfig {
config: Some(toml::toml! {
format="$env_var"
[env_var]
format="$env_value"
variable = "a"
[env_var.b]
format="$env_value"
[env_var.c]
format="$env_value"
}),
};
context.root_config.format = "$env_var".to_string();
context.env.insert("a", "a".to_string());
context.env.insert("b", "b".to_string());
context.env.insert("c", "c".to_string());
let expected = String::from("\nabc");
let actual = get_prompt(context);
assert_eq!(expected, actual);
}
#[test]
fn custom_mixed() -> std::io::Result<()> {
let dir = tempfile::tempdir()?;
let mut context = default_context();
context.current_dir = dir.path().to_path_buf();
context.config = StarshipConfig {
config: Some(toml::toml! {
format="${custom.c}$custom${custom.b}"
[custom.a]
when=true
format="a"
[custom.b]
when=true
format="b"
[custom.c]
when=true
format="c"
}),
};
context.root_config.format = "${custom.c}$custom${custom.b}".to_string();
let expected = String::from("\ncab");
let actual = get_prompt(context);
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn env_mixed() {
let mut context = default_context();
context.config = StarshipConfig {
config: Some(toml::toml! {
format="${env_var.c}$env_var${env_var.b}"
[env_var]
format="$env_value"
variable = "d"
[env_var.a]
format="$env_value"
[env_var.b]
format="$env_value"
[env_var.c]
format="$env_value"
}),
};
context.root_config.format = "${env_var.c}$env_var${env_var.b}".to_string();
context.env.insert("a", "a".to_string());
context.env.insert("b", "b".to_string());
context.env.insert("c", "c".to_string());
context.env.insert("d", "d".to_string());
let expected = String::from("\ncdab");
let actual = get_prompt(context);
assert_eq!(expected, actual);
}
#[test]
fn custom_subset() -> std::io::Result<()> {
let dir = tempfile::tempdir()?;
let mut context = default_context();
context.current_dir = dir.path().to_path_buf();
context.config = StarshipConfig {
config: Some(toml::toml! {
format="${custom.b}"
[custom.a]
when=true
format="a"
[custom.b]
when=true
format="b"
}),
};
context.root_config.format = "${custom.b}".to_string();
let expected = String::from("\nb");
let actual = get_prompt(context);
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn custom_missing() -> std::io::Result<()> {
let dir = tempfile::tempdir()?;
let mut context = default_context();
context.current_dir = dir.path().to_path_buf();
context.config = StarshipConfig {
config: Some(toml::toml! {
format="${custom.b}"
[custom.a]
when=true
format="a"
}),
};
context.root_config.format = "${custom.b}".to_string();
let expected = String::from("\n");
let actual = get_prompt(context);
assert_eq!(expected, actual);
dir.close()
}
}