test(cli): Add test to make sure CLI flags are handled

alerque · Jan 8, 2024 · db4a253 · db4a253
1 parent 0065ca2
commit db4a253
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/tests/cli.rs b/tests/cli.rs
@@ -1,4 +1,5 @@
 use assert_cmd::Command;
+use predicates::prelude::*;
 
 #[cfg(feature = "cli")]
 #[test]
@@ -13,3 +14,19 @@ fn main_stdin() {
     let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
     cmd.write_stdin("foo").assert().success().stdout("Foo\n").stderr("");
 }
+
+#[cfg(feature = "cli")]
+#[test]
+fn main_help() {
+    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
+    cmd.args(["--help"]).assert().success().stdout(predicate::str::contains("Usage: ")).stderr("");
+}
+
+#[cfg(feature = "cli")]
+#[test]
+fn main_lang() {
+    let mut en_cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
+    en_cmd.args(["-l", "en", "ide"]).assert().success().stdout("Ide\n").stderr("");
+    let mut tr_cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
+    tr_cmd.args(["-l", "tr", "ilk"]).assert().success().stdout("İlk\n").stderr("");
+}