Refactor config structure and improve importer logic

espanso-config/src/config/mod.rs

@@ -4,7 +4,7 @@ use anyhow::Result;
 
 mod yaml;
 mod path;
-mod macro_util;
+mod util;
 
 pub struct Config {
   pub label: Option<String>,

espanso-config/src/config/path.rs

@@ -47,21 +47,9 @@ pub fn calculate_paths<'a>(base_dir: &Path, glob_patterns: impl Iterator<Item =
 
 #[cfg(test)]
 pub mod tests {
-  use std::{fs::create_dir_all, path::Path};
-
   use super::*;
-  use tempdir::TempDir;
-
-  pub fn use_test_directory(callback: impl FnOnce(&Path, &Path, &Path)) {
-    let dir = TempDir::new("tempconfig").unwrap();
-    let match_dir = dir.path().join("match");
-    create_dir_all(&match_dir).unwrap();
-
-    let config_dir = dir.path().join("config");
-    create_dir_all(&config_dir).unwrap();
-
-    callback(&dir.path(), &match_dir, &config_dir);
-  }
+  use crate::util::tests::use_test_directory;
+  use std::{fs::create_dir_all};
 
   #[test]
   fn calculate_paths_relative_paths() {

espanso-config/src/config/yaml.rs

@@ -150,10 +150,9 @@ impl YAMLConfig {
 #[cfg(test)]
 mod tests {
   use super::*;
-  use crate::config::Config;
-  use crate::config::path::tests::use_test_directory;
+  use crate::util::tests::use_test_directory;
   use std::iter::FromIterator;
-  use std::{convert::TryInto, fs::create_dir_all};
+  use std::fs::create_dir_all;
 
   #[test]
   fn aggregate_includes_empty_config() {

espanso-config/src/matches/group/loader/mod.rs

@@ -0,0 +1,130 @@
+use anyhow::Result;
+use std::path::Path;
+use thiserror::Error;
+
+use self::yaml::YAMLImporter;
+
+use super::MatchGroup;
+
+mod yaml;
+
+trait Importer {
+  fn is_supported(&self, extension: &str) -> bool;
+  fn load_group(&self, path: &Path) -> Result<MatchGroup>;
+}
+
+lazy_static! {
+  static ref IMPORTERS: Vec<Box<dyn Importer + Sync + Send>> = vec![
+    Box::new(YAMLImporter::new()),
+  ];
+}
+
+pub(crate) fn load_match_group(path: &Path) -> Result<MatchGroup> {
+  if let Some(extension) = path.extension() {
+    let extension = extension.to_string_lossy().to_lowercase();
+
+    let importer = IMPORTERS
+      .iter()
+      .find(|importer| importer.is_supported(&extension));
+    
+    match importer {
+      Some(importer) => match importer.load_group(path) {
+        Ok(group) => Ok(group),
+        Err(err) => Err(LoadError::ParsingError(err).into()),
+      },
+      None => Err(LoadError::InvalidFormat().into()),
+    }
+  } else {
+    Err(LoadError::MissingExtension().into())
+  }
+}
+
+#[derive(Error, Debug)]
+pub enum LoadError {
+  #[error("missing extension in match group file")]
+  MissingExtension(),
+
+  #[error("invalid match group format")]
+  InvalidFormat(),
+
+  #[error("parser reported an error: `{0}`")]
+  ParsingError(anyhow::Error),
+}
+
+#[cfg(test)]
+mod tests {
+  use super::*;
+  use crate::util::tests::use_test_directory;
+
+  #[test]
+  fn load_group_invalid_format() {
+    use_test_directory(|_, match_dir, _| {
+      let file = match_dir.join("base.invalid");
+      std::fs::write(&file, "test").unwrap();
+
+      assert!(matches!(load_match_group(&file).unwrap_err().downcast::<LoadError>().unwrap(), LoadError::InvalidFormat()));
+    });
+  }
+
+  #[test]
+  fn load_group_missing_extension() {
+    use_test_directory(|_, match_dir, _| {
+      let file = match_dir.join("base");
+      std::fs::write(&file, "test").unwrap();
+
+      assert!(matches!(load_match_group(&file).unwrap_err().downcast::<LoadError>().unwrap(), LoadError::MissingExtension()));
+    });
+  }
+
+  #[test]
+  fn load_group_parsing_error() {
+    use_test_directory(|_, match_dir, _| {
+      let file = match_dir.join("base.yml");
+      std::fs::write(&file, "test").unwrap();
+
+      assert!(matches!(load_match_group(&file).unwrap_err().downcast::<LoadError>().unwrap(), LoadError::ParsingError(_)));
+    });
+  }
+
+  #[test]
+  fn load_group_yaml_format() {
+    use_test_directory(|_, match_dir, _| {
+      let file = match_dir.join("base.yml");
+      std::fs::write(&file, r#"
+      matches:
+        - trigger: "hello"
+          replace: "world"
+      "#).unwrap();
+
+      assert_eq!(load_match_group(&file).unwrap().matches.len(), 1);
+    });
+  }
+
+  #[test]
+  fn load_group_yaml_format_2() {
+    use_test_directory(|_, match_dir, _| {
+      let file = match_dir.join("base.yaml");
+      std::fs::write(&file, r#"
+      matches:
+        - trigger: "hello"
+          replace: "world"
+      "#).unwrap();
+
+      assert_eq!(load_match_group(&file).unwrap().matches.len(), 1);
+    });
+  }
+
+  #[test]
+  fn load_group_yaml_format_casing() {
+    use_test_directory(|_, match_dir, _| {
+      let file = match_dir.join("base.YML");
+      std::fs::write(&file, r#"
+      matches:
+        - trigger: "hello"
+          replace: "world"
+      "#).unwrap();
+
+      assert_eq!(load_match_group(&file).unwrap().matches.len(), 1);
+    });
+  }
+}

espanso-config/src/matches/group/loader/yaml/mod.rs

@@ -1,52 +1,39 @@
-use std::{collections::HashMap, convert::{TryFrom, TryInto}, path::Path};
-
+use crate::matches::{Match, Variable, group::{MatchGroup, path::resolve_imports}};
+use log::warn;
+use parse::YAMLMatchGroup;
 use anyhow::Result;
-use serde::{Deserialize, Serialize};
-use serde_yaml::{Mapping, Value};
-use thiserror::Error;
+use std::convert::{TryFrom, TryInto};
 
-use crate::util::is_yaml_empty;
+use self::parse::{YAMLMatch, YAMLVariable};
+use crate::matches::{MatchCause, MatchEffect, TextEffect, TriggerCause};
 
-use crate::matches::{Match, MatchCause, MatchEffect, TextEffect, TriggerCause, Variable};
-use super::{MatchGroup};
+use super::Importer;
 
-#[derive(Debug, Serialize, Deserialize, Clone)]
-pub struct YAMLMatchGroup {
-  #[serde(default)]
-  pub imports: Option<Vec<String>>,
+mod parse;
 
-  #[serde(default)]
-  pub global_vars: Option<Vec<YAMLVariable>>,
+pub(crate) struct YAMLImporter {}
 
-  #[serde(default)]
-  pub matches: Option<Vec<YAMLMatch>>,
-}
-
-impl YAMLMatchGroup {
-  pub fn parse_from_str(yaml: &str) -> Result<Self> {
-    // Because an empty string is not valid YAML but we want to support it anyway
-    if is_yaml_empty(yaml) {
-      return Ok(serde_yaml::from_str(
-        "arbitrary_field_that_will_not_block_the_parser: true",
-      )?);
-    }
-
-    Ok(serde_yaml::from_str(yaml)?)
-  }
-
-  // TODO: test
-  pub fn parse_from_file(path: &Path) -> Result<Self> {
-    let content = std::fs::read_to_string(path)?;
-    Self::parse_from_str(&content)
+impl YAMLImporter {
+  pub fn new() -> Self {
+    Self {}
   }
 }
 
-impl TryFrom<YAMLMatchGroup> for MatchGroup {
-  type Error = anyhow::Error;
+impl Importer for YAMLImporter {
+  fn is_supported(&self, extension: &str) -> bool {
+    extension == "yaml" || extension == "yml"
+  }
 
   // TODO: test
-  fn try_from(yaml_match_group: YAMLMatchGroup) -> Result<Self, Self::Error> {
-    let global_vars: Result<Vec<Variable>> = yaml_match_group
+  // TODO: test resolve imports
+  // TODO: test cyclical dependency
+  fn load_group(
+    &self,
+    path: &std::path::Path,
+  ) -> anyhow::Result<crate::matches::group::MatchGroup> {
+    let yaml_group = YAMLMatchGroup::parse_from_file(path)?;
+
+    let global_vars: Result<Vec<Variable>> = yaml_group
       .global_vars
       .as_ref()
       .cloned()
@@ -55,7 +42,7 @@ impl TryFrom<YAMLMatchGroup> for MatchGroup {
       .map(|var| var.clone().try_into())
       .collect();
 
-    let matches: Result<Vec<Match>> = yaml_match_group
+    let matches: Result<Vec<Match>> = yaml_group
       .matches
       .as_ref()
       .cloned()
@@ -64,78 +51,17 @@ impl TryFrom<YAMLMatchGroup> for MatchGroup {
       .map(|m| m.clone().try_into())
       .collect();
 
+    // Resolve imports
+    let resolved_imports = resolve_imports(path, &yaml_group.imports.unwrap_or_default())?;
+
     Ok(MatchGroup {
-      imports: yaml_match_group.imports.unwrap_or_default(),
+      imports: resolved_imports,
       global_vars: global_vars?,
       matches: matches?,
-      ..Default::default()
     })
   }
 }
 
-#[derive(Debug, Serialize, Deserialize, Clone)]
-pub struct YAMLMatch {
-  #[serde(default)]
-  pub trigger: Option<String>,
-
-  #[serde(default)]
-  pub triggers: Option<Vec<String>>,
-
-  #[serde(default)]
-  pub replace: Option<String>,
-
-  #[serde(default)]
-  pub image_path: Option<String>, // TODO: map
-
-  #[serde(default)]
-  pub form: Option<String>, // TODO: map
-
-  #[serde(default)]
-  pub form_fields: Option<HashMap<String, Value>>, // TODO: map
-
-  #[serde(default)]
-  pub vars: Option<Vec<YAMLVariable>>,
-
-  #[serde(default)]
-  pub word: Option<bool>,
-
-  #[serde(default)]
-  pub left_word: Option<bool>,
-
-  #[serde(default)]
-  pub right_word: Option<bool>,
-
-  #[serde(default)]
-  pub propagate_case: Option<bool>,
-
-  #[serde(default)]
-  pub force_clipboard: Option<bool>,
-
-  #[serde(default)]
-  pub markdown: Option<String>, // TODO: map
-
-  #[serde(default)]
-  pub paragraph: Option<bool>, // TODO: map
-
-  #[serde(default)]
-  pub html: Option<String>, // TODO: map
-}
-
-#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
-pub struct YAMLVariable {
-  pub name: String,
-
-  #[serde(rename = "type")]
-  pub var_type: String,
-
-  #[serde(default = "default_params")]
-  pub params: Mapping,
-}
-
-fn default_params() -> Mapping {
-  Mapping::new()
-}
-
 impl TryFrom<YAMLMatch> for Match {
   type Error = anyhow::Error;
 
@@ -183,7 +109,9 @@ impl TryFrom<YAMLMatch> for Match {
       MatchEffect::None
     };
 
-    // TODO: log none match effect
+    if let MatchEffect::None = effect {
+      warn!("match caused by {:?} does not produce any effect. Did you forget the 'replace' field?", cause);
+    }
 
     Ok(Self {
       cause,
@@ -208,16 +136,11 @@ impl TryFrom<YAMLVariable> for Variable {
   }
 }
 
-#[derive(Error, Debug)]
-pub enum YAMLConversionError {
-  // TODO
-//#[error("unknown data store error")]
-//Unknown,
-}
-
 #[cfg(test)]
 mod tests {
-  use super::*;
+  use serde_yaml::{Mapping, Value};
+
+    use super::*;
   use crate::matches::Match;
 
   fn create_match(yaml: &str) -> Result<Match> {

espanso-config/src/matches/group/loader/yaml/parse.rs

@@ -0,0 +1,101 @@
+use std::{collections::HashMap, path::Path};
+
+use anyhow::Result;
+use serde::{Deserialize, Serialize};
+use serde_yaml::{Mapping, Value};
+
+use crate::util::is_yaml_empty;
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct YAMLMatchGroup {
+  #[serde(default)]
+  pub imports: Option<Vec<String>>,
+
+  #[serde(default)]
+  pub global_vars: Option<Vec<YAMLVariable>>,
+
+  #[serde(default)]
+  pub matches: Option<Vec<YAMLMatch>>,
+}
+
+impl YAMLMatchGroup {
+  pub fn parse_from_str(yaml: &str) -> Result<Self> {
+    // Because an empty string is not valid YAML but we want to support it anyway
+    if is_yaml_empty(yaml) {
+      return Ok(serde_yaml::from_str(
+        "arbitrary_field_that_will_not_block_the_parser: true",
+      )?);
+    }
+
+    Ok(serde_yaml::from_str(yaml)?)
+  }
+
+  // TODO: test
+  pub fn parse_from_file(path: &Path) -> Result<Self> {
+    let content = std::fs::read_to_string(path)?;
+    Self::parse_from_str(&content)
+  }
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct YAMLMatch {
+  #[serde(default)]
+  pub trigger: Option<String>,
+
+  #[serde(default)]
+  pub triggers: Option<Vec<String>>,
+
+  #[serde(default)]
+  pub replace: Option<String>,
+
+  #[serde(default)]
+  pub image_path: Option<String>, // TODO: map
+
+  #[serde(default)]
+  pub form: Option<String>, // TODO: map
+
+  #[serde(default)]
+  pub form_fields: Option<HashMap<String, Value>>, // TODO: map
+
+  #[serde(default)]
+  pub vars: Option<Vec<YAMLVariable>>,
+
+  #[serde(default)]
+  pub word: Option<bool>,
+
+  #[serde(default)]
+  pub left_word: Option<bool>,
+
+  #[serde(default)]
+  pub right_word: Option<bool>,
+
+  #[serde(default)]
+  pub propagate_case: Option<bool>,
+
+  #[serde(default)]
+  pub force_clipboard: Option<bool>,
+
+  #[serde(default)]
+  pub markdown: Option<String>, // TODO: map
+
+  #[serde(default)]
+  pub paragraph: Option<bool>, // TODO: map
+
+  #[serde(default)]
+  pub html: Option<String>, // TODO: map
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
+pub struct YAMLVariable {
+  pub name: String,
+
+  #[serde(rename = "type")]
+  pub var_type: String,
+
+  #[serde(default = "default_params")]
+  pub params: Mapping,
+}
+
+fn default_params() -> Mapping {
+  Mapping::new()
+}

espanso-config/src/matches/group/mod.rs

@@ -1,22 +1,18 @@
 use anyhow::Result;
-use log::error;
 use std::{
-  cell::RefCell,
-  convert::TryInto,
-  path::{Path, PathBuf},
+  path::{Path},
 };
-use thiserror::Error;
 
 use super::{Match, Variable};
 
-mod yaml;
+mod loader;
+mod path;
+
 #[derive(Debug, Clone, PartialEq)]
 pub(crate) struct MatchGroup {
-  imports: Vec<String>,
+  pub imports: Vec<String>,
   pub global_vars: Vec<Variable>,
   pub matches: Vec<Match>,
-
-  pub resolved_imports: Vec<String>,
 }
 
 impl Default for MatchGroup {
@@ -25,7 +21,6 @@ impl Default for MatchGroup {
       imports: Vec::new(),
       global_vars: Vec::new(),
       matches: Vec::new(),
-      resolved_imports: Vec::new(),
     }
   }
 }
@@ -33,101 +28,6 @@ impl Default for MatchGroup {
 impl MatchGroup {
   // TODO: test
   pub fn load(group_path: &Path) -> Result<Self> {
-    if let Some(extension) = group_path.extension() {
-      let extension = extension.to_string_lossy().to_lowercase();
-
-      if extension == "yml" || extension == "yaml" {
-        match yaml::YAMLMatchGroup::parse_from_file(group_path) {
-          Ok(yaml_group) => {
-            let match_group: Result<MatchGroup, _> = yaml_group.try_into();
-            match match_group {
-              Ok(mut group) => {
-                group.resolve_imports(group_path)?;
-                Ok(group)
-              }
-              Err(err) => Err(MatchGroupError::ParsingError(err).into()),
-            }
-          }
-          Err(err) => Err(MatchGroupError::ParsingError(err).into()),
-        }
-      } else {
-        Err(MatchGroupError::InvalidFormat().into())
-      }
-    } else {
-      Err(MatchGroupError::MissingExtension().into())
-    }
-  }
-
-  // TODO: test
-  fn resolve_imports(&mut self, group_path: &Path) -> Result<()> {
-    let mut paths = Vec::new();
-
-    if !group_path.exists() {
-      return Err(
-        MatchGroupError::ResolveImportFailed(format!(
-          "unable to resolve imports for match group at path: {:?}",
-          group_path
-        ))
-        .into(),
-      );
-    }
-
-    // Get the containing directory
-    let current_dir = if group_path.is_file() {
-      if let Some(parent) = group_path.parent() {
-        parent
-      } else {
-        return Err(
-          MatchGroupError::ResolveImportFailed(format!(
-            "unable to resolve imports for match group starting from current path: {:?}",
-            group_path
-          ))
-          .into(),
-        );
-      }
-    } else {
-      group_path
-    };
-
-    for import in self.imports.iter() {
-      let import_path = PathBuf::from(import);
-
-      // Absolute or relative import
-      let full_path = if import_path.is_relative() {
-        current_dir.join(import_path)
-      } else {
-        import_path
-      };
-
-      if full_path.exists() && full_path.is_file() {
-        paths.push(full_path)
-      } else {
-        // Best effort imports
-        error!("unable to resolve import at path: {:?}", full_path);
-      }
-    }
-
-    let string_paths = paths
-      .into_iter()
-      .map(|path| path.to_string_lossy().to_string())
-      .collect();
-    self.resolved_imports = string_paths;
-
-    Ok(())
+    loader::load_match_group(group_path)
   }
 }
-
-#[derive(Error, Debug)]
-pub enum MatchGroupError {
-  #[error("missing extension in match group file")]
-  MissingExtension(),
-
-  #[error("invalid match group format")]
-  InvalidFormat(),
-
-  #[error("parser reported an error: `{0}`")]
-  ParsingError(anyhow::Error),
-
-  #[error("resolve import failed: `{0}`")]
-  ResolveImportFailed(String),
-}

espanso-config/src/matches/group/path.rs

@@ -0,0 +1,57 @@
+use std::path::{Path, PathBuf};
+use anyhow::Result;
+use log::error;
+use thiserror::Error;
+
+// TODO: test
+pub fn resolve_imports(group_path: &Path, imports: &[String]) -> Result<Vec<String>> {
+  let mut paths = Vec::new();
+
+  // Get the containing directory
+  let current_dir = if group_path.is_file() {
+    if let Some(parent) = group_path.parent() {
+      parent
+    } else {
+      return Err(
+        ResolveImportError::Failed(format!(
+          "unable to resolve imports for match group starting from current path: {:?}",
+          group_path
+        ))
+        .into(),
+      );
+    }
+  } else {
+    group_path
+  }; 
+  
+  for import in imports.iter() {
+    let import_path = PathBuf::from(import);
+
+    // Absolute or relative import
+    let full_path = if import_path.is_relative() {
+      current_dir.join(import_path)
+    } else {
+      import_path
+    };
+
+    if full_path.exists() && full_path.is_file() {
+      paths.push(full_path)
+    } else {
+      // Best effort imports
+      error!("unable to resolve import at path: {:?}", full_path);
+    }
+  }
+
+  let string_paths = paths
+    .into_iter()
+    .map(|path| path.to_string_lossy().to_string())
+    .collect();
+  
+  Ok(string_paths)
+}
+
+#[derive(Error, Debug)]
+pub enum ResolveImportError {
+  #[error("resolve import failed: `{0}`")]
+  Failed(String),
+}

espanso-config/src/matches/mod.rs

@@ -5,7 +5,7 @@ use crate::counter::{next_id, StructId};
 mod group;
 mod store;
 
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone)]
 pub struct Match {
   cause: MatchCause,
   effect: MatchEffect,
@@ -28,6 +28,12 @@ impl Default for Match {
   }
 }
 
+impl PartialEq for Match {
+  fn eq(&self, other: &Self) -> bool {
+    self.cause == other.cause && self.effect == other.effect && self.label == other.label
+  }
+}
+
 // Causes
 
 #[derive(Debug, Clone, PartialEq)]
@@ -84,7 +90,7 @@ impl Default for TextEffect {
   }
 }
 
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone)]
 pub struct Variable {
   pub name: String,
   pub var_type: String,
@@ -104,3 +110,9 @@ impl Default for Variable {
     }
   }
 }
+
+impl PartialEq for Variable {
+  fn eq(&self, other: &Self) -> bool {
+    self.name == other.name && self.var_type == other.var_type && self.params == other.params
+  }
+}

espanso-config/src/matches/store/default.rs

@@ -4,8 +4,11 @@ use std::{
   path::PathBuf,
 };
 
-use super::MatchStore;
-use crate::{counter::StructId, matches::{group::MatchGroup, Match, Variable}};
+use super::{MatchSet, MatchStore};
+use crate::{
+  counter::StructId,
+  matches::{group::MatchGroup, Match, Variable},
+};
 
 // TODO: implement store according to notes
 pub(crate) struct DefaultMatchStore {
@@ -32,11 +35,27 @@ impl MatchStore for DefaultMatchStore {
 
   // TODO: test
   // TODO: test for cyclical imports
-  fn query_set(&self, paths: &[String]) -> super::MatchSet {
+  fn query_set(&self, paths: &[String]) -> MatchSet {
     let mut matches: Vec<&Match> = Vec::new();
     let mut global_vars: Vec<&Variable> = Vec::new();
+    let mut visited_paths = HashSet::new();
+    let mut visited_matches = HashSet::new();
+    let mut visited_global_vars = HashSet::new();
 
-    todo!()
+    query_matches_for_paths(
+      &self.groups,
+      &mut visited_paths,
+      &mut visited_matches,
+      &mut visited_global_vars,
+      &mut matches,
+      &mut global_vars,
+      paths,
+    );
+
+    MatchSet {
+      matches,
+      global_vars,
+    }
   }
 }
 
@@ -46,9 +65,9 @@ fn load_match_groups_recursively(groups: &mut HashMap<String, MatchGroup>, paths
       let group_path = PathBuf::from(path);
       match MatchGroup::load(&group_path) {
         Ok(group) => {
-          load_match_groups_recursively(groups, &group.resolved_imports);
+          load_match_groups_recursively(groups, &group.imports);
           groups.insert(path.clone(), group);
-        },
+        }
         Err(error) => {
           error!("unable to load match group: {:?}", error);
         }
@@ -57,8 +76,9 @@ fn load_match_groups_recursively(groups: &mut HashMap<String, MatchGroup>, paths
   }
 }
 
+// TODO: test
 fn query_matches_for_paths<'a>(
-  groups: &'a mut HashMap<String, MatchGroup>,
+  groups: &'a HashMap<String, MatchGroup>,
   visited_paths: &mut HashSet<String>,
   visited_matches: &mut HashSet<StructId>,
   visited_global_vars: &mut HashSet<StructId>,
@@ -83,7 +103,15 @@ fn query_matches_for_paths<'a>(
           }
         }
 
-        // TODO: here we should visit the imported paths recursively
+        query_matches_for_paths(
+          groups,
+          visited_paths,
+          visited_matches,
+          visited_global_vars,
+          matches,
+          global_vars,
+          &group.imports,
+        )
       }
 
       visited_paths.insert(path.clone());

espanso-config/src/util.rs

@@ -13,8 +13,21 @@ pub fn is_yaml_empty(yaml: &str) -> bool {
 }
 
 #[cfg(test)]
-mod tests {
+pub mod tests {
   use super::*;
+  use std::{fs::create_dir_all, path::Path};
+  use tempdir::TempDir;
+
+  pub fn use_test_directory(callback: impl FnOnce(&Path, &Path, &Path)) {
+    let dir = TempDir::new("tempconfig").unwrap();
+    let match_dir = dir.path().join("match");
+    create_dir_all(&match_dir).unwrap();
+
+    let config_dir = dir.path().join("config");
+    create_dir_all(&config_dir).unwrap();
+
+    callback(&dir.path(), &match_dir, &config_dir);
+  }
 
   #[test]
   fn is_yaml_empty_document_empty() {