Import structopt-0.3.14
Change-Id: I03e7eaf9f442092701ce3175cb78c8ea2237f616
diff --git a/tests/nested-subcommands.rs b/tests/nested-subcommands.rs
new file mode 100644
index 0000000..1fbd166
--- /dev/null
+++ b/tests/nested-subcommands.rs
@@ -0,0 +1,193 @@
+// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use structopt::StructOpt;
+
+#[derive(StructOpt, PartialEq, Debug)]
+struct Opt {
+ #[structopt(short, long)]
+ force: bool,
+ #[structopt(short, long, parse(from_occurrences))]
+ verbose: u64,
+ #[structopt(subcommand)]
+ cmd: Sub,
+}
+
+#[derive(StructOpt, PartialEq, Debug)]
+enum Sub {
+ Fetch {},
+ Add {},
+}
+
+#[derive(StructOpt, PartialEq, Debug)]
+struct Opt2 {
+ #[structopt(short, long)]
+ force: bool,
+ #[structopt(short, long, parse(from_occurrences))]
+ verbose: u64,
+ #[structopt(subcommand)]
+ cmd: Option<Sub>,
+}
+
+#[test]
+fn test_no_cmd() {
+ let result = Opt::clap().get_matches_from_safe(&["test"]);
+ assert!(result.is_err());
+
+ assert_eq!(
+ Opt2 {
+ force: false,
+ verbose: 0,
+ cmd: None
+ },
+ Opt2::from_clap(&Opt2::clap().get_matches_from(&["test"]))
+ );
+}
+
+#[test]
+fn test_fetch() {
+ assert_eq!(
+ Opt {
+ force: false,
+ verbose: 3,
+ cmd: Sub::Fetch {}
+ },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-vvv", "fetch"]))
+ );
+ assert_eq!(
+ Opt {
+ force: true,
+ verbose: 0,
+ cmd: Sub::Fetch {}
+ },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--force", "fetch"]))
+ );
+}
+
+#[test]
+fn test_add() {
+ assert_eq!(
+ Opt {
+ force: false,
+ verbose: 0,
+ cmd: Sub::Add {}
+ },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "add"]))
+ );
+ assert_eq!(
+ Opt {
+ force: false,
+ verbose: 2,
+ cmd: Sub::Add {}
+ },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-vv", "add"]))
+ );
+}
+
+#[test]
+fn test_badinput() {
+ let result = Opt::clap().get_matches_from_safe(&["test", "badcmd"]);
+ assert!(result.is_err());
+ let result = Opt::clap().get_matches_from_safe(&["test", "add", "--verbose"]);
+ assert!(result.is_err());
+ let result = Opt::clap().get_matches_from_safe(&["test", "--badopt", "add"]);
+ assert!(result.is_err());
+ let result = Opt::clap().get_matches_from_safe(&["test", "add", "--badopt"]);
+ assert!(result.is_err());
+}
+
+#[derive(StructOpt, PartialEq, Debug)]
+struct Opt3 {
+ #[structopt(short, long)]
+ all: bool,
+ #[structopt(subcommand)]
+ cmd: Sub2,
+}
+
+#[derive(StructOpt, PartialEq, Debug)]
+enum Sub2 {
+ Foo {
+ file: String,
+ #[structopt(subcommand)]
+ cmd: Sub3,
+ },
+ Bar {},
+}
+
+#[derive(StructOpt, PartialEq, Debug)]
+enum Sub3 {
+ Baz {},
+ Quux {},
+}
+
+#[test]
+fn test_subsubcommand() {
+ assert_eq!(
+ Opt3 {
+ all: true,
+ cmd: Sub2::Foo {
+ file: "lib.rs".to_string(),
+ cmd: Sub3::Quux {}
+ }
+ },
+ Opt3::from_clap(
+ &Opt3::clap().get_matches_from(&["test", "--all", "foo", "lib.rs", "quux"])
+ )
+ );
+}
+
+#[derive(StructOpt, PartialEq, Debug)]
+enum SubSubCmdWithOption {
+ Remote {
+ #[structopt(subcommand)]
+ cmd: Option<Remote>,
+ },
+ Stash {
+ #[structopt(subcommand)]
+ cmd: Stash,
+ },
+}
+#[derive(StructOpt, PartialEq, Debug)]
+enum Remote {
+ Add { name: String, url: String },
+ Remove { name: String },
+}
+
+#[derive(StructOpt, PartialEq, Debug)]
+enum Stash {
+ Save,
+ Pop,
+}
+
+#[test]
+fn sub_sub_cmd_with_option() {
+ fn make(args: &[&str]) -> Option<SubSubCmdWithOption> {
+ SubSubCmdWithOption::clap()
+ .get_matches_from_safe(args)
+ .ok()
+ .map(|m| SubSubCmdWithOption::from_clap(&m))
+ }
+ assert_eq!(
+ Some(SubSubCmdWithOption::Remote { cmd: None }),
+ make(&["", "remote"])
+ );
+ assert_eq!(
+ Some(SubSubCmdWithOption::Remote {
+ cmd: Some(Remote::Add {
+ name: "origin".into(),
+ url: "http".into()
+ })
+ }),
+ make(&["", "remote", "add", "origin", "http"])
+ );
+ assert_eq!(
+ Some(SubSubCmdWithOption::Stash { cmd: Stash::Save }),
+ make(&["", "stash", "save"])
+ );
+ assert_eq!(None, make(&["", "stash"]));
+}