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feat(haskell): add hindent and fourmolu (#98)
* feat(haskell): add fourmolu * feat(haskell): support hindent * refactor(haskell): try fourmolo then hindent * ci: setup fourmolu and hindent
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| use super::execute_command; | ||
|
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| #[inline] | ||
| pub fn format_using_fourmolu( | ||
| snippet_path: &std::path::Path, | ||
| ) -> std::io::Result<(bool, Option<String>)> { | ||
| let mut cmd = std::process::Command::new("fourmolu"); | ||
|
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| cmd.arg("-i").arg(snippet_path); | ||
|
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| execute_command(&mut cmd, snippet_path) | ||
| } | ||
|
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| #[cfg(test)] | ||
| mod test_fourmolu { | ||
| use crate::{formatters::setup_snippet, languages::Language}; | ||
|
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| use super::format_using_fourmolu; | ||
|
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| #[test_with::executable(fourmolu)] | ||
| #[test] | ||
| fn it_should_format_haskell() { | ||
| let input = " | ||
| addNumbers::Int->Int->Int | ||
| addNumbers a b = do | ||
| a + b | ||
| "; | ||
|
|
||
| let expected_output = "addNumbers :: Int -> Int -> Int | ||
| addNumbers a b = do | ||
| a + b | ||
| "; | ||
|
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| let snippet = setup_snippet(input, Language::Haskell.to_file_ext()) | ||
| .expect("it to create a snippet file"); | ||
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| let output = format_using_fourmolu(snippet.path()) | ||
| .expect("it to be successful") | ||
| .1 | ||
| .expect("it to be some"); | ||
|
|
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| assert_eq!(output, expected_output); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| use super::execute_command; | ||
|
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||
| #[inline] | ||
| pub fn format_using_hindent( | ||
| snippet_path: &std::path::Path, | ||
| ) -> std::io::Result<(bool, Option<String>)> { | ||
| let mut cmd = std::process::Command::new("hindent"); | ||
|
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| cmd.arg(snippet_path); | ||
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| execute_command(&mut cmd, snippet_path) | ||
| } | ||
|
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| #[cfg(test)] | ||
| mod test_hindent { | ||
| use crate::{formatters::setup_snippet, languages::Language}; | ||
|
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| use super::format_using_hindent; | ||
|
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| #[test_with::executable(hindent)] | ||
| #[test] | ||
| fn it_should_format_haskell() { | ||
| let input = " | ||
| addNumbers::Int->Int->Int | ||
| addNumbers a b = do | ||
| a + b | ||
| "; | ||
|
|
||
| let expected_output = "addNumbers :: Int -> Int -> Int | ||
| addNumbers a b = do | ||
| a + b | ||
| "; | ||
|
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| let snippet = setup_snippet(input, Language::Haskell.to_file_ext()) | ||
| .expect("it to create a snippet file"); | ||
|
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| let output = format_using_hindent(snippet.path()) | ||
| .expect("it to be successful") | ||
| .1 | ||
| .expect("it to be some"); | ||
|
|
||
| assert_eq!(output, expected_output); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| use schemars::JsonSchema; | ||
|
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| use crate::formatters::{ | ||
| fourmolu::format_using_fourmolu, hindent::format_using_hindent, MdsfFormatter, | ||
| }; | ||
|
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| use super::{Lang, LanguageFormatter}; | ||
|
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| #[derive(Debug, Default, serde::Serialize, serde::Deserialize, JsonSchema)] | ||
| #[cfg_attr(test, derive(PartialEq, Eq))] | ||
| pub enum Haskell { | ||
| #[default] | ||
| #[serde(rename = "fourmolu")] | ||
| Fourmolu, | ||
| #[serde(rename = "hindent")] | ||
| HIndent, | ||
| } | ||
|
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| impl Default for Lang<Haskell> { | ||
| #[inline] | ||
| fn default() -> Self { | ||
| Self { | ||
| enabled: true, | ||
| formatter: MdsfFormatter::<Haskell>::default(), | ||
| } | ||
| } | ||
| } | ||
|
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| impl Default for MdsfFormatter<Haskell> { | ||
| #[inline] | ||
| fn default() -> Self { | ||
| Self::Multiple(vec![Self::Multiple(vec![ | ||
| Self::Single(Haskell::Fourmolu), | ||
| Self::Single(Haskell::HIndent), | ||
| ])]) | ||
| } | ||
| } | ||
|
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| impl LanguageFormatter for Haskell { | ||
| #[inline] | ||
| fn format_snippet( | ||
| &self, | ||
| snippet_path: &std::path::Path, | ||
| ) -> std::io::Result<(bool, Option<String>)> { | ||
| match self { | ||
| Self::Fourmolu => format_using_fourmolu(snippet_path), | ||
| Self::HIndent => format_using_hindent(snippet_path), | ||
| } | ||
| } | ||
| } | ||
|
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| #[cfg(test)] | ||
| mod test_haskell { | ||
| use crate::{ | ||
| formatters::{setup_snippet, MdsfFormatter}, | ||
| languages::Lang, | ||
| }; | ||
|
|
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| use super::Haskell; | ||
|
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| const INPUT: &str = " | ||
| addNumbers::Int->Int->Int | ||
| addNumbers a b = do | ||
| a + b | ||
| "; | ||
|
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| const EXTENSION: &str = crate::languages::Language::Haskell.to_file_ext(); | ||
|
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| #[test] | ||
| fn it_should_be_enabled_by_default() { | ||
| assert!(Lang::<Haskell>::default().enabled); | ||
| } | ||
|
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| #[test] | ||
| fn it_should_not_format_when_enabled_is_false() { | ||
| let snippet = setup_snippet(INPUT, EXTENSION).expect("it to save the file"); | ||
| let snippet_path = snippet.path(); | ||
|
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| assert!(Lang::<Haskell> { | ||
| enabled: false, | ||
| formatter: MdsfFormatter::Single(Haskell::default()), | ||
| } | ||
| .format(snippet_path) | ||
| .expect("it to not fail") | ||
| .is_none()); | ||
| } | ||
|
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| #[test_with::executable(fourmolu)] | ||
| #[test] | ||
| fn test_fourmolu() { | ||
| let l = Lang::<Haskell> { | ||
| enabled: true, | ||
| formatter: MdsfFormatter::Single(Haskell::Fourmolu), | ||
| }; | ||
|
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| let snippet = setup_snippet(INPUT, EXTENSION).expect("it to save the file"); | ||
| let snippet_path = snippet.path(); | ||
|
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| let output = l | ||
| .format(snippet_path) | ||
| .expect("it to not fail") | ||
| .expect("it to be a snippet"); | ||
|
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| let expected_output = "addNumbers :: Int -> Int -> Int | ||
| addNumbers a b = do | ||
| a + b | ||
| "; | ||
|
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| assert_eq!(output, expected_output); | ||
| } | ||
|
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| #[test_with::executable(hindent)] | ||
| #[test] | ||
| fn test_hindent() { | ||
| let l = Lang::<Haskell> { | ||
| enabled: true, | ||
| formatter: MdsfFormatter::Single(Haskell::HIndent), | ||
| }; | ||
|
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| let snippet = setup_snippet(INPUT, EXTENSION).expect("it to save the file"); | ||
| let snippet_path = snippet.path(); | ||
|
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| let output = l | ||
| .format(snippet_path) | ||
| .expect("it to not fail") | ||
| .expect("it to be a snippet"); | ||
|
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| let expected_output = "addNumbers :: Int -> Int -> Int | ||
| addNumbers a b = do | ||
| a + b | ||
| "; | ||
|
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| assert_eq!(output, expected_output); | ||
| } | ||
| } |
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