Merge pull request #20 from rust-lang-ar/stage4_tests

added stage4 tests

Cargo.toml

@@ -7,12 +7,13 @@ authors = [
     "Nicolas <nicolas.antinori.7@gmail.com>",
 ]
 edition = "2021"
+description = "A tiny version of ls command"
 
 [dependencies]
 anyhow = "1.0"
 bytes = "1.3"
+clap = { version = "4.5.20", features = ["derive"] }
 thiserror = "1.0"
-clap = "4.5.20"
 
 [dev-dependencies]
 rstest = "0.23.0"
@@ -25,4 +26,5 @@ stage0 = []
 stage1 = []
 stage2 = []
 stage3 = []
+stage4 = []
 stage5 = []

tests/stage4.rs

@@ -0,0 +1,38 @@
+#![cfg(feature = "stage4")]
+
+mod helpers;
+
+use helpers::{split_ls_column_output, split_ls_output_by_newline};
+use rstest::rstest;
+use std::process::Command;
+
+const EXPECTED_HELP_TEXT: &str = r#"A tiny version of ls command
+
+Usage: oxidar-ls [OPTIONS] <PATH>
+
+Arguments:
+  <PATH>  Path to list
+
+Options:
+  -a, --all     Show hidden files
+  -F, --format  Format file names. Appendds a symbol at the end indicating the type of file. Slash ('/') is for directories and at sign ('@') is for symbolic links
+  -l, --list    Show the files in a list
+  -h, --human   Show the file size in a human-redable format
+      --help
+"#;
+
+#[rstest]
+#[case::arguments_help(&["--help"])]
+fn test_stage_4(#[case] ls_arguments: &[&'static str]) {
+    let output = Command::new("./target/debug/oxidar-ls")
+        .args([ls_arguments, &["./test_dir"]].concat())
+        .output()
+        .expect("failed to execute process");
+
+    assert!(output.status.success());
+
+    assert_eq!(
+        EXPECTED_HELP_TEXT,
+        std::str::from_utf8(&output.stdout).unwrap()
+    );
+}

tests/stage5.rs

@@ -11,6 +11,7 @@ use std::process::Command;
 #[case::arguments_lF(&["-l", "-F"])]
 #[case::arguments_lFh(&["-l", "-F", "-h"])]
 #[case::arguments_lFha(&["-l", "-F", "-h", "-a"])]
+#[case::arguments_lFha(&["-lFha"])] // This tests tha clap was introduced and works as expected
 fn test_stage_5(#[case] ls_arguments: &[&'static str]) {
     let output = Command::new("./target/debug/oxidar-ls")
         .args([ls_arguments, &["./test_dir"]].concat())