98 lines
3.3 KiB
Rust
98 lines
3.3 KiB
Rust
use once_cell::sync::Lazy;
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use std::io::prelude::*;
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use std::io::{Error, ErrorKind};
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use std::path::{Path, PathBuf};
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use std::process::Command;
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use std::{env, fs, io, process};
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static MANIFEST_DIR: Lazy<&'static Path> = Lazy::new(|| Path::new(env!("CARGO_MANIFEST_DIR")));
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static EMPTY_CONFIG: Lazy<PathBuf> = Lazy::new(|| MANIFEST_DIR.join("empty_config.toml"));
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/// Render the full starship prompt
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pub fn render_prompt() -> process::Command {
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let mut command = process::Command::new("./target/debug/starship");
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command
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.arg("prompt")
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.env_clear()
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.env("PATH", env!("PATH")) // Provide the $PATH variable so that external programs are runnable
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.env("STARSHIP_CONFIG", EMPTY_CONFIG.as_os_str());
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command
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}
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/// Render a specific starship module by name
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pub fn render_module(module_name: &str) -> process::Command {
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let binary = fs::canonicalize("./target/debug/starship").unwrap();
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let mut command = process::Command::new(binary);
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command
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.arg("module")
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.arg(module_name)
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.env_clear()
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.env("PATH", env!("PATH")) // Provide the $PATH variable so that external programs are runnable
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.env("STARSHIP_CONFIG", EMPTY_CONFIG.as_os_str());
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command
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}
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/// Create a temporary directory with full access permissions (rwxrwxrwt).
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pub fn new_tempdir() -> io::Result<tempfile::TempDir> {
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// Using `tempfile::TempDir` directly creates files on macOS within
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// "/var/folders", which provides us with restricted permissions (rwxr-xr-x)
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tempfile::tempdir_in("/tmp")
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}
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/// Create a repo from the fixture to be used in git module tests
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pub fn create_fixture_repo() -> io::Result<PathBuf> {
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let fixture_repo_path = new_tempdir()?.path().join("fixture");
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let repo_path = new_tempdir()?.path().join("rocket");
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let fixture_path = env::current_dir()?.join("tests/fixtures/rocket.bundle");
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let fixture_repo_dir = path_str(&fixture_repo_path)?;
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let repo_dir = path_str(&repo_path)?;
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let fixture = path_str(&fixture_path)?;
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Command::new("git")
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.args(&["clone", "-b", "master", fixture, fixture_repo_dir])
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.output()?;
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git2::Repository::clone(fixture_repo_dir, repo_dir).ok();
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Command::new("git")
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.args(&["config", "--local", "user.email", "starship@example.com"])
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.current_dir(repo_dir)
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.output()?;
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Command::new("git")
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.args(&["config", "--local", "user.name", "starship"])
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.current_dir(repo_dir)
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.output()?;
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Ok(repo_path)
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}
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fn path_str(repo_dir: &PathBuf) -> io::Result<&str> {
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repo_dir
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.to_str()
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.ok_or_else(|| Error::from(ErrorKind::Other))
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}
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/// Extends `std::process::Command` with methods for testing
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pub trait TestCommand {
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fn use_config(&mut self, toml: toml::value::Value) -> &mut process::Command;
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}
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impl TestCommand for process::Command {
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/// Create a configuration file with the provided TOML and use it
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fn use_config(&mut self, toml: toml::value::Value) -> &mut process::Command {
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// Create a persistent config file in a tempdir
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let (mut config_file, config_path) =
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tempfile::NamedTempFile::new().unwrap().keep().unwrap();
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write!(config_file, "{}", toml.to_string()).unwrap();
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// Set that newly-created file as the config for the prompt instance
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self.env("STARSHIP_CONFIG", config_path)
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}
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}
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