test(date): add tests

tests/test_date.rs

@@ -0,0 +1,133 @@
+extern crate regex;
+
+use self::regex::Regex;
+use common::util::*;
+
+#[test]
+fn test_date_email() {
+    let (_, mut ucmd) = at_and_ucmd!();
+    let result = ucmd.arg("--rfc-email").run();
+    assert!(result.success);
+}
+
+#[test]
+fn test_date_email2() {
+    let (_, mut ucmd) = at_and_ucmd!();
+    let result = ucmd.arg("-R").run();
+    assert!(result.success);
+}
+
+#[test]
+fn test_date_rfc_3339() {
+    let scene = TestScenario::new(util_name!());
+
+    let mut result = scene.ucmd().arg("--rfc-3339=ns").succeeds();
+
+    // Check that the output matches the regexp
+    let rfc_regexp = r"(\d+)-(0[1-9]|1[012])-(0[1-9]|[12]\d|3[01])\s([01]\d|2[0-3]):([0-5]\d):([0-5]\d|60)(\.\d+)?(([Zz])|([\+|\-]([01]\d|2[0-3])))";
+    let re = Regex::new(rfc_regexp).unwrap();
+    assert!(re.is_match(&result.stdout.trim()));
+
+    result = scene.ucmd().arg("--rfc-3339=seconds").succeeds();
+
+    // Check that the output matches the regexp
+    let re = Regex::new(rfc_regexp).unwrap();
+    assert!(re.is_match(&result.stdout.trim()));
+}
+
+#[test]
+fn test_date_rfc_8601() {
+    let (_, mut ucmd) = at_and_ucmd!();
+    let result = ucmd.arg("--iso-8601=ns").run();
+    assert!(result.success);
+}
+
+#[test]
+fn test_date_rfc_8601_second() {
+    let (_, mut ucmd) = at_and_ucmd!();
+    let result = ucmd.arg("--iso-8601=second").run();
+    assert!(result.success);
+}
+
+#[test]
+fn test_date_utc() {
+    let (_, mut ucmd) = at_and_ucmd!();
+    let result = ucmd.arg("--utc").run();
+    assert!(result.success);
+}
+
+#[test]
+fn test_date_universal() {
+    let (_, mut ucmd) = at_and_ucmd!();
+    let result = ucmd.arg("--universal").run();
+    assert!(result.success);
+}
+
+#[test]
+fn test_date_format_y() {
+    let scene = TestScenario::new(util_name!());
+
+    let mut result = scene.ucmd().arg("+%Y").succeeds();
+
+    assert!(result.success);
+    let mut re = Regex::new(r"^\d{4}$").unwrap();
+    assert!(re.is_match(&result.stdout.trim()));
+
+    result = scene.ucmd().arg("+%y").succeeds();
+
+    assert!(result.success);
+    re = Regex::new(r"^\d{2}$").unwrap();
+    assert!(re.is_match(&result.stdout.trim()));
+}
+
+#[test]
+fn test_date_format_m() {
+    let scene = TestScenario::new(util_name!());
+
+    let mut result = scene.ucmd().arg("+%b").succeeds();
+
+    assert!(result.success);
+    let mut re = Regex::new(r"\S+").unwrap();
+    assert!(re.is_match(&result.stdout.trim()));
+
+    result = scene.ucmd().arg("+%m").succeeds();
+
+    assert!(result.success);
+    re = Regex::new(r"^\d{2}$").unwrap();
+    assert!(re.is_match(&result.stdout.trim()));
+}
+
+#[test]
+fn test_date_format_day() {
+    let scene = TestScenario::new(util_name!());
+
+    let mut result = scene.ucmd().arg("+%a").succeeds();
+
+    assert!(result.success);
+    let mut re = Regex::new(r"\S+").unwrap();
+    assert!(re.is_match(&result.stdout.trim()));
+
+    result = scene.ucmd().arg("+%A").succeeds();
+
+    assert!(result.success);
+
+    re = Regex::new(r"\S+").unwrap();
+    assert!(re.is_match(&result.stdout.trim()));
+
+    result = scene.ucmd().arg("+%u").succeeds();
+
+    assert!(result.success);
+    re = Regex::new(r"^\d{1}$").unwrap();
+    assert!(re.is_match(&result.stdout.trim()));
+}
+
+#[test]
+fn test_date_format_full_day() {
+    let scene = TestScenario::new(util_name!());
+
+    let result = scene.ucmd().arg("+'%a %Y-%m-%d'").succeeds();
+
+    assert!(result.success);
+    let re = Regex::new(r"\S+ \d{4}-\d{2}-\d{2}").unwrap();
+    assert!(re.is_match(&result.stdout.trim()));
+}

tests/tests.rs

@@ -52,6 +52,7 @@ generic! {
     "comm", test_comm;
     "cp", test_cp;
     "cut", test_cut;
+    "date", test_date;
     "dircolors", test_dircolors;
     "dirname", test_dirname;
     "df", test_df;