Import structopt-0.3.14
Change-Id: I03e7eaf9f442092701ce3175cb78c8ea2237f616
diff --git a/tests/argument_naming.rs b/tests/argument_naming.rs
new file mode 100644
index 0000000..e7fe3d5
--- /dev/null
+++ b/tests/argument_naming.rs
@@ -0,0 +1,311 @@
+use structopt::StructOpt;
+
+#[test]
+fn test_single_word_enum_variant_is_default_renamed_into_kebab_case() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ enum Opt {
+ Command { foo: u32 },
+ }
+
+ assert_eq!(
+ Opt::Command { foo: 0 },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "command", "0"]))
+ );
+}
+
+#[test]
+fn test_multi_word_enum_variant_is_renamed() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ enum Opt {
+ FirstCommand { foo: u32 },
+ }
+
+ assert_eq!(
+ Opt::FirstCommand { foo: 0 },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "first-command", "0"]))
+ );
+}
+
+#[test]
+fn test_standalone_long_generates_kebab_case() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ #[allow(non_snake_case)]
+ struct Opt {
+ #[structopt(long)]
+ FOO_OPTION: bool,
+ }
+
+ assert_eq!(
+ Opt { FOO_OPTION: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--foo-option"]))
+ );
+}
+
+#[test]
+fn test_custom_long_overwrites_default_name() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ struct Opt {
+ #[structopt(long = "foo")]
+ foo_option: bool,
+ }
+
+ assert_eq!(
+ Opt { foo_option: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--foo"]))
+ );
+}
+
+#[test]
+fn test_standalone_long_uses_previous_defined_custom_name() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ struct Opt {
+ #[structopt(name = "foo", long)]
+ foo_option: bool,
+ }
+
+ assert_eq!(
+ Opt { foo_option: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--foo"]))
+ );
+}
+
+#[test]
+fn test_standalone_long_ignores_afterwards_defined_custom_name() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ struct Opt {
+ #[structopt(long, name = "foo")]
+ foo_option: bool,
+ }
+
+ assert_eq!(
+ Opt { foo_option: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--foo-option"]))
+ );
+}
+
+#[test]
+fn test_standalone_short_generates_kebab_case() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ #[allow(non_snake_case)]
+ struct Opt {
+ #[structopt(short)]
+ FOO_OPTION: bool,
+ }
+
+ assert_eq!(
+ Opt { FOO_OPTION: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-f"]))
+ );
+}
+
+#[test]
+fn test_custom_short_overwrites_default_name() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ struct Opt {
+ #[structopt(short = "o")]
+ foo_option: bool,
+ }
+
+ assert_eq!(
+ Opt { foo_option: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-o"]))
+ );
+}
+
+#[test]
+fn test_standalone_short_uses_previous_defined_custom_name() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ struct Opt {
+ #[structopt(name = "option", short)]
+ foo_option: bool,
+ }
+
+ assert_eq!(
+ Opt { foo_option: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-o"]))
+ );
+}
+
+#[test]
+fn test_standalone_short_ignores_afterwards_defined_custom_name() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ struct Opt {
+ #[structopt(short, name = "option")]
+ foo_option: bool,
+ }
+
+ assert_eq!(
+ Opt { foo_option: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-f"]))
+ );
+}
+
+#[test]
+fn test_standalone_long_uses_previous_defined_casing() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ struct Opt {
+ #[structopt(rename_all = "screaming_snake", long)]
+ foo_option: bool,
+ }
+
+ assert_eq!(
+ Opt { foo_option: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--FOO_OPTION"]))
+ );
+}
+
+#[test]
+fn test_standalone_short_uses_previous_defined_casing() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ struct Opt {
+ #[structopt(rename_all = "screaming_snake", short)]
+ foo_option: bool,
+ }
+
+ assert_eq!(
+ Opt { foo_option: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-F"]))
+ );
+}
+
+#[test]
+fn test_standalone_long_works_with_verbatim_casing() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ #[allow(non_snake_case)]
+ struct Opt {
+ #[structopt(rename_all = "verbatim", long)]
+ _fOO_oPtiON: bool,
+ }
+
+ assert_eq!(
+ Opt { _fOO_oPtiON: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--_fOO_oPtiON"]))
+ );
+}
+
+#[test]
+fn test_standalone_short_works_with_verbatim_casing() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ struct Opt {
+ #[structopt(rename_all = "verbatim", short)]
+ _foo: bool,
+ }
+
+ assert_eq!(
+ Opt { _foo: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-_"]))
+ );
+}
+
+#[test]
+fn test_rename_all_is_propagated_from_struct_to_fields() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ #[structopt(rename_all = "screaming_snake")]
+ struct Opt {
+ #[structopt(long)]
+ foo: bool,
+ }
+
+ assert_eq!(
+ Opt { foo: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--FOO"]))
+ );
+}
+
+#[test]
+fn test_rename_all_is_not_propagated_from_struct_into_flattened() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ #[structopt(rename_all = "screaming_snake")]
+ struct Opt {
+ #[structopt(flatten)]
+ foo: Foo,
+ }
+
+ #[derive(StructOpt, Debug, PartialEq)]
+ struct Foo {
+ #[structopt(long)]
+ foo: bool,
+ }
+
+ assert_eq!(
+ Opt {
+ foo: Foo { foo: true }
+ },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--foo"]))
+ );
+}
+
+#[test]
+fn test_rename_all_is_not_propagated_from_struct_into_subcommand() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ #[structopt(rename_all = "screaming_snake")]
+ struct Opt {
+ #[structopt(subcommand)]
+ foo: Foo,
+ }
+
+ #[derive(StructOpt, Debug, PartialEq)]
+ enum Foo {
+ Command {
+ #[structopt(long)]
+ foo: bool,
+ },
+ }
+
+ assert_eq!(
+ Opt {
+ foo: Foo::Command { foo: true }
+ },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "command", "--foo"]))
+ );
+}
+
+#[test]
+fn test_rename_all_is_propagated_from_enum_to_variants_and_their_fields() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ #[structopt(rename_all = "screaming_snake")]
+ enum Opt {
+ FirstVariant,
+ SecondVariant {
+ #[structopt(long)]
+ foo: bool,
+ },
+ }
+
+ assert_eq!(
+ Opt::FirstVariant,
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "FIRST_VARIANT"]))
+ );
+
+ assert_eq!(
+ Opt::SecondVariant { foo: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "SECOND_VARIANT", "--FOO"]))
+ );
+}
+
+#[test]
+fn test_rename_all_is_propagation_can_be_overridden() {
+ #[derive(StructOpt, Debug, PartialEq)]
+ #[structopt(rename_all = "screaming_snake")]
+ enum Opt {
+ #[structopt(rename_all = "kebab_case")]
+ FirstVariant {
+ #[structopt(long)]
+ foo_option: bool,
+ },
+ SecondVariant {
+ #[structopt(rename_all = "kebab_case", long)]
+ foo_option: bool,
+ },
+ }
+
+ assert_eq!(
+ Opt::FirstVariant { foo_option: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "first-variant", "--foo-option"]))
+ );
+
+ assert_eq!(
+ Opt::SecondVariant { foo_option: true },
+ Opt::from_clap(&Opt::clap().get_matches_from(&["test", "SECOND_VARIANT", "--foo-option"]))
+ );
+}