tests: adds CLI UX tests
In prep for switching out the CLI parser, we need to ensure users won't
need to change any existing CI/scripts/etc.
diff --git a/src/main.rs b/src/main.rs
index 75971bc..ac9e429 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -54,7 +54,7 @@
";
/// Options from CLI arguments
-#[derive(serde_derive::Deserialize, Debug)]
+#[derive(serde_derive::Deserialize, Debug, PartialEq, Default)]
pub struct Options {
flag_format: Option<String>,
flag_color: Option<String>,
@@ -285,3 +285,164 @@
Ok(count)
}
}
+
+#[cfg(test)]
+mod test {
+ use super::*;
+
+ fn options(args: &[&str]) -> Options {
+ let mut argv = vec!["cargo", "outdated"];
+ if !args.is_empty() {
+ argv.extend(args);
+ }
+ let options = {
+ let mut options: Options = Docopt::new(USAGE)
+ .and_then(|d| {
+ d.version(Some(
+ concat!(env!("CARGO_PKG_NAME"), " v", env!("CARGO_PKG_VERSION")).to_owned(),
+ ))
+ .argv(argv)
+ .deserialize()
+ })
+ .unwrap_or_else(|e| e.exit());
+ fn flat_split(arg: &[String]) -> Vec<String> {
+ arg.iter()
+ .flat_map(|s| s.split_whitespace())
+ .flat_map(|s| s.split(','))
+ .filter(|s| !s.is_empty())
+ .map(ToString::to_string)
+ .collect()
+ }
+ options.flag_features = flat_split(&options.flag_features);
+ options.flag_ignore = flat_split(&options.flag_ignore);
+ options.flag_exclude = flat_split(&options.flag_exclude);
+ options.flag_packages = flat_split(&options.flag_packages);
+ if options.flag_root_deps_only {
+ options.flag_depth = Some(1);
+ }
+ options
+ };
+ options
+ }
+
+ #[test]
+ fn default() {
+ let opts = options(&[]);
+ assert_eq!(
+ Options {
+ flag_format: Some("list".into()),
+ flag_color: Some("auto".into()),
+ ..Options::default()
+ },
+ opts
+ )
+ }
+
+ #[test]
+ fn root_only() {
+ let opts = options(&["--root-deps-only"]);
+ assert_eq!(
+ Options {
+ flag_format: Some("list".into()),
+ flag_color: Some("auto".into()),
+ flag_depth: Some(1),
+ flag_root_deps_only: true,
+ ..Options::default()
+ },
+ opts
+ )
+ }
+
+ #[test]
+ fn features() {
+ let opts1 = options(&["--features=one,two,three"]);
+ let opts2 = options(&["--features", "one,two,three"]);
+ let opts3 = options(&["--features", "one two three"]);
+ // Not supported
+ //let opts4 = options("--features one --features two --features three");
+ //let opts5 = options("--features one --features two,three");
+ let correct = Options {
+ flag_format: Some("list".into()),
+ flag_color: Some("auto".into()),
+ flag_features: vec!["one".into(), "two".into(), "three".into()],
+ ..Options::default()
+ };
+
+ assert_eq!(correct, opts1);
+ assert_eq!(correct, opts2);
+ assert_eq!(correct, opts3);
+ }
+
+ #[test]
+ fn exclude() {
+ let opts1 = options(&["--exclude=one,two,three"]);
+ let opts2 = options(&["--exclude", "one,two,three"]);
+ let opts3 = options(&["--exclude", "one two three"]);
+ // Not supported
+ //let opts4 = options("--exclude one two three");
+ //let opts5 = options("--exclude one --exclude two --exclude three");
+ //let opts6 = options("--exclude one --exclude two,three");
+ let correct = Options {
+ flag_format: Some("list".into()),
+ flag_color: Some("auto".into()),
+ flag_exclude: vec!["one".into(), "two".into(), "three".into()],
+ ..Options::default()
+ };
+
+ assert_eq!(correct, opts1);
+ assert_eq!(correct, opts2);
+ assert_eq!(correct, opts3);
+ }
+
+ #[test]
+ fn ignore() {
+ let opts1 = options(&["--ignore=one,two,three"]);
+ let opts2 = options(&["--ignore", "one,two,three"]);
+ let opts3 = options(&["--ignore", "one two three"]);
+ // Not supported
+ //let opts4 = options("--ignore one two three");
+ //let opts5 = options("--ignore one --ignore two --ignore three");
+ //let opts6 = options("--ignore one --ignore two,three");
+ let correct = Options {
+ flag_format: Some("list".into()),
+ flag_color: Some("auto".into()),
+ flag_ignore: vec!["one".into(), "two".into(), "three".into()],
+ ..Options::default()
+ };
+
+ assert_eq!(correct, opts1);
+ assert_eq!(correct, opts2);
+ assert_eq!(correct, opts3);
+ }
+
+ #[test]
+ fn verbose() {
+ let opts1 = options(&["--verbose", "--verbose", "--verbose"]);
+ let correct = Options {
+ flag_format: Some("list".into()),
+ flag_color: Some("auto".into()),
+ flag_verbose: 3,
+ ..Options::default()
+ };
+
+ assert_eq!(correct, opts1);
+ }
+
+ #[test]
+ fn packages() {
+ let opts1 = options(&["--packages", "one,two"]);
+ let opts2 = options(&["--packages", "one two"]);
+ // Not Supported
+ //let opts3 = options(&["--packages","one","--packages","two"]);
+ //let opts4 = options(&["--packages", "one", "two"]);
+ let correct = Options {
+ flag_format: Some("list".into()),
+ flag_color: Some("auto".into()),
+ flag_packages: vec!["one".into(), "two".into()],
+ ..Options::default()
+ };
+
+ assert_eq!(correct, opts1);
+ assert_eq!(correct, opts2);
+ }
+}
