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Simple command line parser with clap
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| use clap::Parser; | |
| use regex::Regex; | |
| use std::{ | |
| fmt::{self, Debug, Display}, | |
| str::FromStr, | |
| }; | |
| use thiserror::Error; | |
| #[derive(Debug, Default, Clone, Copy, PartialEq, Eq)] | |
| enum Browser { | |
| #[default] | |
| Chrome, | |
| Firefox, | |
| Edge, | |
| } | |
| #[derive(Debug, Error)] | |
| #[error("Unknown browser")] | |
| struct UnknownBrowser; | |
| impl FromStr for Browser { | |
| type Err = UnknownBrowser; | |
| fn from_str(s: &str) -> Result<Self, Self::Err> { | |
| match s.to_lowercase().as_str() { | |
| "chrome" => Ok(Browser::Chrome), | |
| "firefox" => Ok(Browser::Firefox), | |
| "edge" => Ok(Browser::Edge), | |
| _ => Err(UnknownBrowser), | |
| } | |
| } | |
| } | |
| impl Display for Browser { | |
| fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { | |
| match self { | |
| Self::Chrome => write!(f, "Chrome"), | |
| Self::Firefox => write!(f, "Firefox"), | |
| Self::Edge => write!(f, "Edge"), | |
| } | |
| } | |
| } | |
| /// Simple command-line argument parser | |
| #[derive(Parser, Debug)] | |
| #[command(version, about, long_about = None)] | |
| struct Args { | |
| /// Name of the environment (and associated properties) | |
| #[arg(short, long, default_value = "v2.0")] | |
| env: String, | |
| /// Test suite to execute in src/test/resources/testsuites | |
| #[arg(short, long)] | |
| xml: Option<String>, | |
| /// Browser to use for testing | |
| #[arg(short, long, default_value_t)] | |
| browser: Browser, | |
| /// Selenium WebDriverWait value in seconds | |
| #[arg(short, long, default_value_t = 10)] | |
| wait: u8, | |
| /// Regex pattern for test cases to execute with maven failsafe plugin | |
| #[arg(short, long, default_value = ".*")] | |
| tests: Regex, | |
| } | |
| // cargo run -- --browser=Firefox --env=v1.0 --wait=30 --xml=smoke.xml | |
| fn main() { | |
| let args = Args::parse(); | |
| println!("Environment: {}", args.env); | |
| println!("Test suite: {:?}", args.xml); | |
| println!("Browser: {:?}", args.browser); | |
| println!("Selenium WebDriverWait: {} seconds", args.wait); | |
| println!("Regex pattern for test cases: {:?}", args.tests); | |
| } |
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