1 files changed, 147 insertions, 0 deletions
diff --git a/structopt/tests/non_literal_attributes.rs b/structopt/tests/non_literal_attributes.rs
new file mode 100644
index 0000000..75b6b71
--- /dev/null
+++ b/structopt/tests/non_literal_attributes.rs
@@ -0,0 +1,147 @@
+// 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::clap::AppSettings;
+use structopt::StructOpt;
+
+pub const DISPLAY_ORDER: usize = 2;
+
+// Check if the global settings compile
+#[derive(StructOpt, Debug, PartialEq, Eq)]
+#[structopt(global_settings = &[AppSettings::ColoredHelp])]
+struct Opt {
+    #[structopt(
+        long = "x",
+        display_order = DISPLAY_ORDER,
+        next_line_help = true,
+        default_value = "0",
+        require_equals = true
+    )]
+    x: i32,
+
+    #[structopt(short = "l", long = "level", aliases = &["set-level", "lvl"])]
+    level: String,
+
+    #[structopt(long("values"))]
+    values: Vec<i32>,
+
+    #[structopt(name = "FILE", requires_if("FILE", "values"))]
+    files: Vec<String>,
+}
+
+#[test]
+fn test_slice() {
+    assert_eq!(
+        Opt {
+            x: 0,
+            level: "1".to_string(),
+            files: Vec::new(),
+            values: vec![],
+        },
+        Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-l", "1"]))
+    );
+    assert_eq!(
+        Opt {
+            x: 0,
+            level: "1".to_string(),
+            files: Vec::new(),
+            values: vec![],
+        },
+        Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--level", "1"]))
+    );
+    assert_eq!(
+        Opt {
+            x: 0,
+            level: "1".to_string(),
+            files: Vec::new(),
+            values: vec![],
+        },
+        Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--set-level", "1"]))
+    );
+    assert_eq!(
+        Opt {
+            x: 0,
+            level: "1".to_string(),
+            files: Vec::new(),
+            values: vec![],
+        },
+        Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--lvl", "1"]))
+    );
+}
+
+#[test]
+fn test_multi_args() {
+    assert_eq!(
+        Opt {
+            x: 0,
+            level: "1".to_string(),
+            files: vec!["file".to_string()],
+            values: vec![],
+        },
+        Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-l", "1", "file"]))
+    );
+    assert_eq!(
+        Opt {
+            x: 0,
+            level: "1".to_string(),
+            files: vec!["FILE".to_string()],
+            values: vec![1],
+        },
+        Opt::from_clap(
+            &Opt::clap().get_matches_from(&["test", "-l", "1", "--values", "1", "--", "FILE"]),
+        )
+    );
+}
+
+#[test]
+fn test_multi_args_fail() {
+    let result = Opt::clap().get_matches_from_safe(&["test", "-l", "1", "--", "FILE"]);
+    assert!(result.is_err());
+}
+
+#[test]
+fn test_bool() {
+    assert_eq!(
+        Opt {
+            x: 1,
+            level: "1".to_string(),
+            files: vec![],
+            values: vec![],
+        },
+        Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-l", "1", "--x=1"]))
+    );
+    let result = Opt::clap().get_matches_from_safe(&["test", "-l", "1", "--x", "1"]);
+    assert!(result.is_err());
+}
+
+fn parse_hex(input: &str) -> Result<u64, std::num::ParseIntError> {
+    u64::from_str_radix(input, 16)
+}
+
+#[derive(StructOpt, PartialEq, Debug)]
+struct HexOpt {
+    #[structopt(short = "n", parse(try_from_str = parse_hex))]
+    number: u64,
+}
+
+#[test]
+fn test_parse_hex_function_path() {
+    assert_eq!(
+        HexOpt { number: 5 },
+        HexOpt::from_clap(&HexOpt::clap().get_matches_from(&["test", "-n", "5"]))
+    );
+    assert_eq!(
+        HexOpt { number: 0xabcdef },
+        HexOpt::from_clap(&HexOpt::clap().get_matches_from(&["test", "-n", "abcdef"]))
+    );
+
+    let err = HexOpt::clap()
+        .get_matches_from_safe(&["test", "-n", "gg"])
+        .unwrap_err();
+    assert!(err.message.contains("invalid digit found in string"), err);
+}