52 lines
1.1 KiB
Rust
52 lines
1.1 KiB
Rust
use assert_cmd::Command;
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use predicates::prelude::*;
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use std::fs;
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type TestResult = Result<(), Box<dyn std::error::Error>>;
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fn run(args: &[&str], expected_file: &str) -> TestResult {
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let expected = fs::read_to_string(format!("{}{}", "tests/expected/", expected_file))?;
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Command::cargo_bin("echor")?
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.args(args)
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.assert()
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.success()
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.stdout(expected);
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Ok(())
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}
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#[test]
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fn error_no_args() -> TestResult {
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let mut cmd = Command::cargo_bin("echor")?;
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cmd.assert()
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.failure()
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.stderr(predicate::str::contains("USAGE"));
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Ok(())
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}
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#[test]
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fn runs() -> TestResult {
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let mut cmd = Command::cargo_bin("echor")?;
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cmd.arg("Hola").assert().success();
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Ok(())
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}
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#[test]
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fn hello1() -> TestResult {
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run(&["Hello there"], "hello1.txt")
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}
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#[test]
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fn hello2() -> TestResult {
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run(&["Hello", "there"], "hello2.txt")
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}
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#[test]
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fn hello1_no_newline() -> TestResult {
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run(&["Hello there", "-n"], "hello1.n.txt")
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}
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#[test]
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fn hello2_no_newline() -> TestResult {
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run(&["-n", "Hello", "there"], "hello2.n.txt")
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}
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