generated from PlexSheep/baserepo
59 lines
2.3 KiB
Rust
59 lines
2.3 KiB
Rust
//! # common macros for `libpt`
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//!
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//! This module implements macros for use with `libpt`.
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//// ATTRIBUTES ////////////////////////////////////////////////////////////////////////////////////
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// we want docs
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#![warn(missing_docs)]
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#![warn(rustdoc::missing_crate_level_docs)]
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// we want Debug everywhere.
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#![warn(missing_debug_implementations)]
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// enable clippy's extra lints, the pedantic version
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#![warn(clippy::pedantic)]
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//// IMPORTS ///////////////////////////////////////////////////////////////////////////////////////
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pub use crate::get_stdout_for;
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//// CONSTANTS /////////////////////////////////////////////////////////////////////////////////////
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//// STATICS ///////////////////////////////////////////////////////////////////////////////////////
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//// MACROS ////////////////////////////////////////////////////////////////////////////////////////
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/// ## catches what the expression would write to the `stdout`
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///
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/// This macro takes an expression, executes it, and catches what it would write to the stdout.
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/// The buffer of the stdout will then be returned for further use.
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///
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/// This is especially useful when testing loggers or other frontend CLI functions.
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///
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/// Inspiration: [users.rust-lang.org](https://users.rust-lang.org/t/how-to-test-functions-that-use-println/67188/5)
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#[macro_export]
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macro_rules! get_stdout_for {
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($test:expr) => {{
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use gag::BufferRedirect;
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use std::io::Read;
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let mut buf = BufferRedirect::stdout().unwrap();
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$test;
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let mut output = String::new();
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buf.read_to_string(&mut output).unwrap();
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drop(buf);
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output
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}};
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}
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//// ENUMS /////////////////////////////////////////////////////////////////////////////////////////
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//// STRUCTS ///////////////////////////////////////////////////////////////////////////////////////
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//// IMPLEMENTATION ////////////////////////////////////////////////////////////////////////////////
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//// PUBLIC FUNCTIONS //////////////////////////////////////////////////////////////////////////////
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//// PRIVATE FUNCTIONS /////////////////////////////////////////////////////////////////////////////
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