Import structopt-0.3.14
Change-Id: I03e7eaf9f442092701ce3175cb78c8ea2237f616
diff --git a/tests/utils.rs b/tests/utils.rs
new file mode 100644
index 0000000..c0684a2
--- /dev/null
+++ b/tests/utils.rs
@@ -0,0 +1,45 @@
+#![allow(unused)]
+
+use structopt::StructOpt;
+
+pub fn get_help<T: StructOpt>() -> String {
+ let mut output = Vec::new();
+ <T as StructOpt>::clap().write_help(&mut output).unwrap();
+ let output = String::from_utf8(output).unwrap();
+
+ eprintln!("\n%%% HELP %%%:=====\n{}\n=====\n", output);
+ eprintln!("\n%%% HELP (DEBUG) %%%:=====\n{:?}\n=====\n", output);
+
+ output
+}
+
+pub fn get_long_help<T: StructOpt>() -> String {
+ let mut output = Vec::new();
+ <T as StructOpt>::clap()
+ .write_long_help(&mut output)
+ .unwrap();
+ let output = String::from_utf8(output).unwrap();
+
+ eprintln!("\n%%% LONG_HELP %%%:=====\n{}\n=====\n", output);
+ eprintln!("\n%%% LONG_HELP (DEBUG) %%%:=====\n{:?}\n=====\n", output);
+
+ output
+}
+
+pub fn get_subcommand_long_help<T: StructOpt>(subcmd: &str) -> String {
+ let output = <T as StructOpt>::clap()
+ .get_matches_from_safe(vec!["test", subcmd, "--help"])
+ .expect_err("")
+ .message;
+
+ eprintln!(
+ "\n%%% SUBCOMMAND `{}` HELP %%%:=====\n{}\n=====\n",
+ subcmd, output
+ );
+ eprintln!(
+ "\n%%% SUBCOMMAND `{}` HELP (DEBUG) %%%:=====\n{:?}\n=====\n",
+ subcmd, output
+ );
+
+ output
+}