30 lines
926 B
Rust
30 lines
926 B
Rust
use std::io::Write;
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use clap::{App, ArgMatches, Shell};
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/// An abstraction over `clap::App` functionality needed for initializing `Runtime`. Different
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/// implementations can be used for testing `imag` binaries without running them as separate
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/// processes.
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pub trait CliSpec<'a> {
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fn name(&self) -> &str;
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fn matches(self) -> ArgMatches<'a>;
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fn completions<W: Write, S: Into<String>>(&mut self, _: S, _: Shell, _: &mut W) {}
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}
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impl<'a> CliSpec<'a> for App<'a, 'a> {
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fn name(&self) -> &str {
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self.get_name()
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}
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fn matches(self) -> ArgMatches<'a> {
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self.get_matches()
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}
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fn completions<W: Write, S: Into<String>>(&mut self,
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bin_name: S,
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for_shell: Shell,
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buf: &mut W) {
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self.gen_completions_to(bin_name, for_shell, buf);
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}
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}
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