tests ~ reorganize tests

tests/by-util/test_basename.rs

@@ -0,0 +1,86 @@
+use crate::common::util::*;
+
+#[test]
+fn test_directory() {
+    new_ucmd!()
+        .args(&["/root/alpha/beta/gamma/delta/epsilon/omega/"])
+        .succeeds()
+        .stdout_only("omega\n");
+}
+
+#[test]
+fn test_file() {
+    new_ucmd!()
+        .args(&["/etc/passwd"])
+        .succeeds()
+        .stdout_only("passwd\n");
+}
+
+#[test]
+fn test_remove_suffix() {
+    new_ucmd!()
+        .args(&["/usr/local/bin/reallylongexecutable.exe", ".exe"])
+        .succeeds()
+        .stdout_only("reallylongexecutable\n");
+}
+
+#[test]
+fn test_dont_remove_suffix() {
+    new_ucmd!()
+        .args(&["/foo/bar/baz", "baz"])
+        .succeeds()
+        .stdout_only("baz\n");
+}
+
+#[test]
+fn test_multiple_param() {
+    for multiple_param in vec!["-a", "--multiple"] {
+        let path = "/foo/bar/baz";
+        new_ucmd!()
+            .args(&[multiple_param, path, path])
+            .succeeds()
+            .stdout_only("baz\nbaz\n");
+    }
+}
+
+#[test]
+fn test_suffix_param() {
+    for suffix_param in vec!["-s", "--suffix"] {
+        let path = "/foo/bar/baz.exe";
+        new_ucmd!()
+            .args(&[suffix_param, ".exe", path, path])
+            .succeeds()
+            .stdout_only("baz\nbaz\n");
+    }
+}
+
+#[test]
+fn test_zero_param() {
+    for zero_param in vec!["-z", "--zero"] {
+        let path = "/foo/bar/baz";
+        new_ucmd!()
+            .args(&[zero_param, "-a", path, path])
+            .succeeds()
+            .stdout_only("baz\0baz\0");
+    }
+}
+
+fn expect_error(input: Vec<&str>) {
+    assert!(new_ucmd!().args(&input).fails().no_stdout().stderr.len() > 0);
+}
+
+#[test]
+fn test_invalid_option() {
+    let path = "/foo/bar/baz";
+    expect_error(vec!["-q", path]);
+}
+
+#[test]
+fn test_no_args() {
+    expect_error(vec![]);
+}
+
+#[test]
+fn test_too_many_args() {
+    expect_error(vec!["a", "b", "c"]);
+}