mirror of
https://github.com/clap-rs/clap
synced 2024-12-15 15:22:30 +00:00
411 lines
9 KiB
Rust
411 lines
9 KiB
Rust
use clap::Args;
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use clap::Parser;
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#[test]
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fn test_standalone_long_generates_kebab_case() {
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#[derive(Parser, Debug, PartialEq)]
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#[allow(non_snake_case)]
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struct Opt {
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#[arg(long)]
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FOO_OPTION: bool,
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}
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assert_eq!(
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Opt { FOO_OPTION: true },
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Opt::try_parse_from(["test", "--foo-option"]).unwrap()
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);
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}
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#[test]
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fn test_custom_long_overwrites_default_name() {
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#[derive(Parser, Debug, PartialEq)]
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struct Opt {
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#[arg(long = "foo")]
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foo_option: bool,
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}
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assert_eq!(
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Opt { foo_option: true },
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Opt::try_parse_from(["test", "--foo"]).unwrap()
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);
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}
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#[test]
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fn test_standalone_long_uses_previous_defined_custom_name() {
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#[derive(Parser, Debug, PartialEq)]
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struct Opt {
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#[arg(id = "foo", long)]
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foo_option: bool,
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}
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assert_eq!(
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Opt { foo_option: true },
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Opt::try_parse_from(["test", "--foo"]).unwrap()
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);
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}
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#[test]
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fn test_standalone_long_ignores_afterwards_defined_custom_name() {
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#[derive(Parser, Debug, PartialEq)]
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struct Opt {
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#[arg(long, id = "foo")]
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foo_option: bool,
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}
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assert_eq!(
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Opt { foo_option: true },
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Opt::try_parse_from(["test", "--foo-option"]).unwrap()
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);
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}
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#[test]
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fn test_standalone_long_uses_previous_defined_custom_id() {
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#[derive(Parser, Debug, PartialEq)]
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struct Opt {
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#[arg(id = "foo", long)]
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foo_option: bool,
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}
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assert_eq!(
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Opt { foo_option: true },
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Opt::try_parse_from(["test", "--foo"]).unwrap()
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);
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}
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#[test]
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fn test_standalone_long_ignores_afterwards_defined_custom_id() {
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#[derive(Parser, Debug, PartialEq)]
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struct Opt {
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#[arg(long, id = "foo")]
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foo_option: bool,
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}
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assert_eq!(
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Opt { foo_option: true },
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Opt::try_parse_from(["test", "--foo-option"]).unwrap()
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);
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}
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#[test]
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fn test_standalone_short_generates_kebab_case() {
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#[derive(Parser, Debug, PartialEq)]
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#[allow(non_snake_case)]
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struct Opt {
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#[arg(short)]
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FOO_OPTION: bool,
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}
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assert_eq!(
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Opt { FOO_OPTION: true },
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Opt::try_parse_from(["test", "-f"]).unwrap()
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);
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}
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#[test]
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fn test_custom_short_overwrites_default_name() {
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#[derive(Parser, Debug, PartialEq)]
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struct Opt {
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#[arg(short = 'o')]
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foo_option: bool,
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}
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assert_eq!(
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Opt { foo_option: true },
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Opt::try_parse_from(["test", "-o"]).unwrap()
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);
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}
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#[test]
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fn test_standalone_short_uses_previous_defined_custom_name() {
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#[derive(Parser, Debug, PartialEq)]
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struct Opt {
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#[arg(id = "option", short)]
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foo_option: bool,
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}
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assert_eq!(
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Opt { foo_option: true },
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Opt::try_parse_from(["test", "-o"]).unwrap()
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);
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}
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#[test]
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fn test_standalone_short_ignores_afterwards_defined_custom_name() {
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#[derive(Parser, Debug, PartialEq)]
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struct Opt {
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#[arg(short, id = "option")]
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foo_option: bool,
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}
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assert_eq!(
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Opt { foo_option: true },
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Opt::try_parse_from(["test", "-f"]).unwrap()
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);
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}
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#[test]
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fn test_standalone_short_uses_previous_defined_custom_id() {
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#[derive(Parser, Debug, PartialEq)]
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struct Opt {
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#[arg(id = "option", short)]
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foo_option: bool,
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}
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assert_eq!(
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Opt { foo_option: true },
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Opt::try_parse_from(["test", "-o"]).unwrap()
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);
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}
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#[test]
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fn test_standalone_short_ignores_afterwards_defined_custom_id() {
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#[derive(Parser, Debug, PartialEq)]
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struct Opt {
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#[arg(short, id = "option")]
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foo_option: bool,
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}
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assert_eq!(
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Opt { foo_option: true },
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Opt::try_parse_from(["test", "-f"]).unwrap()
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);
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}
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#[test]
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fn test_standalone_long_uses_previous_defined_casing() {
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#[derive(Parser, Debug, PartialEq)]
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struct Opt {
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#[arg(rename_all = "screaming_snake", long)]
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foo_option: bool,
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}
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assert_eq!(
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Opt { foo_option: true },
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Opt::try_parse_from(["test", "--FOO_OPTION"]).unwrap()
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);
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}
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#[test]
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fn test_standalone_short_uses_previous_defined_casing() {
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#[derive(Parser, Debug, PartialEq)]
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struct Opt {
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#[arg(rename_all = "screaming_snake", short)]
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foo_option: bool,
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}
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assert_eq!(
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Opt { foo_option: true },
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Opt::try_parse_from(["test", "-F"]).unwrap()
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);
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}
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#[test]
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fn test_standalone_long_works_with_verbatim_casing() {
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#[derive(Parser, Debug, PartialEq)]
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#[allow(non_snake_case)]
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struct Opt {
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#[arg(rename_all = "verbatim", long)]
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_fOO_oPtiON: bool,
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}
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assert_eq!(
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Opt { _fOO_oPtiON: true },
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Opt::try_parse_from(["test", "--_fOO_oPtiON"]).unwrap()
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);
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}
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#[test]
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fn test_standalone_short_works_with_verbatim_casing() {
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#[derive(Parser, Debug, PartialEq)]
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struct Opt {
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#[arg(rename_all = "verbatim", short)]
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_foo: bool,
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}
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assert_eq!(
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Opt { _foo: true },
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Opt::try_parse_from(["test", "-_"]).unwrap()
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);
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}
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#[test]
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fn test_rename_all_is_propagated_from_struct_to_fields() {
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#[derive(Parser, Debug, PartialEq)]
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#[command(rename_all = "screaming_snake")]
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struct Opt {
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#[arg(long)]
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foo: bool,
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}
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assert_eq!(
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Opt { foo: true },
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Opt::try_parse_from(["test", "--FOO"]).unwrap()
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);
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}
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#[test]
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fn test_rename_all_is_not_propagated_from_struct_into_flattened() {
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#[derive(Parser, Debug, PartialEq)]
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#[command(rename_all = "screaming_snake")]
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struct Opt {
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#[command(flatten)]
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foo: Foo,
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}
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#[derive(Args, Debug, PartialEq)]
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struct Foo {
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#[arg(long)]
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foo: bool,
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}
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assert_eq!(
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Opt {
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foo: Foo { foo: true }
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},
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Opt::try_parse_from(["test", "--foo"]).unwrap()
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);
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}
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#[test]
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fn test_lower_is_renamed() {
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#[derive(Parser, Debug, PartialEq)]
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struct Opt {
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#[arg(rename_all = "lower", long)]
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foo_option: bool,
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}
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assert_eq!(
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Opt { foo_option: true },
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Opt::try_parse_from(["test", "--foooption"]).unwrap()
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);
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}
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#[test]
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fn test_upper_is_renamed() {
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#[derive(Parser, Debug, PartialEq)]
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struct Opt {
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#[arg(rename_all = "upper", long)]
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foo_option: bool,
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}
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assert_eq!(
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Opt { foo_option: true },
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Opt::try_parse_from(["test", "--FOOOPTION"]).unwrap()
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);
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}
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#[test]
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fn test_single_word_enum_variant_is_default_renamed_into_kebab_case() {
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#[derive(Parser, Debug, PartialEq)]
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enum Opt {
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Command { foo: u32 },
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}
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assert_eq!(
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Opt::Command { foo: 0 },
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Opt::try_parse_from(["test", "command", "0"]).unwrap()
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);
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}
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#[test]
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fn test_multi_word_enum_variant_is_renamed() {
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#[derive(Parser, Debug, PartialEq)]
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enum Opt {
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FirstCommand { foo: u32 },
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}
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assert_eq!(
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Opt::FirstCommand { foo: 0 },
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Opt::try_parse_from(["test", "first-command", "0"]).unwrap()
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);
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}
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#[test]
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fn test_rename_all_is_not_propagated_from_struct_into_subcommand() {
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#[derive(Parser, Debug, PartialEq)]
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#[command(rename_all = "screaming_snake")]
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struct Opt {
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#[command(subcommand)]
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foo: Foo,
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}
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#[derive(Parser, Debug, PartialEq)]
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enum Foo {
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Command {
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#[arg(long)]
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foo: bool,
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},
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}
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assert_eq!(
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Opt {
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foo: Foo::Command { foo: true }
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},
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Opt::try_parse_from(["test", "command", "--foo"]).unwrap()
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);
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}
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#[test]
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fn test_rename_all_is_propagated_from_enum_to_variants() {
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#[derive(Parser, Debug, PartialEq)]
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#[command(rename_all = "screaming_snake")]
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enum Opt {
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FirstVariant,
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SecondVariant {
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#[arg(long)]
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foo: String,
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},
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}
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assert_eq!(
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Opt::FirstVariant,
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Opt::try_parse_from(["test", "FIRST_VARIANT"]).unwrap()
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);
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}
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#[test]
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fn test_rename_all_is_propagated_from_enum_to_variant_fields() {
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#[derive(Parser, Debug, PartialEq)]
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#[command(rename_all = "screaming_snake")]
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enum Opt {
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FirstVariant,
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SecondVariant {
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#[arg(long)]
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foo: String,
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},
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}
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assert_eq!(
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Opt::SecondVariant {
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foo: "value".into()
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},
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Opt::try_parse_from(["test", "SECOND_VARIANT", "--FOO", "value"]).unwrap()
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);
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}
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#[test]
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fn test_rename_all_is_propagation_can_be_overridden() {
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#[derive(Parser, Debug, PartialEq)]
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#[command(rename_all = "screaming_snake")]
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enum Opt {
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#[command(rename_all = "kebab_case")]
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FirstVariant {
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#[arg(long)]
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foo_option: bool,
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},
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SecondVariant {
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#[arg(rename_all = "kebab_case", long)]
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foo_option: bool,
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},
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}
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assert_eq!(
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Opt::FirstVariant { foo_option: true },
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Opt::try_parse_from(["test", "first-variant", "--foo-option"]).unwrap()
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);
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assert_eq!(
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Opt::SecondVariant { foo_option: true },
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Opt::try_parse_from(["test", "SECOND_VARIANT", "--foo-option"]).unwrap()
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);
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}
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