Hide get_syntax, move tests to module

src/assets.rs

@@ -171,8 +171,7 @@ impl HighlightingAssets {
         }
     }
 
-    #[doc(hidden)]
+    pub(crate) fn get_syntax(
-    pub fn get_syntax(
         &self,
         language: Option<&str>,
         filename: InputFile,
@@ -212,3 +211,96 @@ impl HighlightingAssets {
         syntax.unwrap_or_else(|| self.syntax_set.find_syntax_plain_text())
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use std::ffi::OsStr;
+    use std::fs::File;
+    use std::io;
+    use std::io::Write;
+
+    use tempdir::TempDir;
+
+    use crate::assets::HighlightingAssets;
+    use crate::inputfile::InputFile;
+    use crate::syntax_mapping::SyntaxMapping;
+
+    struct SyntaxDetectionTest {
+        assets: HighlightingAssets,
+        pub syntax_mapping: SyntaxMapping,
+        temp_dir: TempDir,
+    }
+
+    impl SyntaxDetectionTest {
+        fn new() -> Self {
+            SyntaxDetectionTest {
+                assets: HighlightingAssets::from_binary(),
+                syntax_mapping: SyntaxMapping::new(),
+                temp_dir: TempDir::new("bat_syntax_detection_tests")
+                    .expect("creation of temporary directory"),
+            }
+        }
+
+        fn syntax_name_with_content(&self, file_name: &str, first_line: &str) -> String {
+            let file_path = self.temp_dir.path().join(file_name);
+            {
+                let mut temp_file = File::create(&file_path).unwrap();
+                writeln!(temp_file, "{}", first_line).unwrap();
+            }
+
+            let input_file = InputFile::Ordinary(OsStr::new(&file_path));
+            let syntax = self.assets.get_syntax(
+                None,
+                input_file,
+                &mut input_file.get_reader(&io::stdin()).unwrap(),
+                &self.syntax_mapping,
+            );
+
+            syntax.name.clone()
+        }
+
+        fn syntax_name(&self, file_name: &str) -> String {
+            self.syntax_name_with_content(file_name, "")
+        }
+    }
+
+    #[test]
+    fn syntax_detection_basic() {
+        let test = SyntaxDetectionTest::new();
+
+        assert_eq!(test.syntax_name("test.rs"), "Rust");
+        assert_eq!(test.syntax_name("test.cpp"), "C++");
+        assert_eq!(test.syntax_name("PKGBUILD"), "Bourne Again Shell (bash)");
+    }
+
+    #[test]
+    fn syntax_detection_well_defined_mapping_for_duplicate_extensions() {
+        let test = SyntaxDetectionTest::new();
+
+        assert_eq!(test.syntax_name("test.sass"), "Sass");
+        // TODO: make these tests pass:
+        // assert_eq!(test.syntax_name("test.h"), "C");
+        // assert_eq!(test.syntax_name("test.hs"), "Haskell (Improved)");
+        // assert_eq!(test.syntax_name("test.js"), "JavaScript (Babel)");
+    }
+
+    #[test]
+    fn syntax_detection_first_line() {
+        let test = SyntaxDetectionTest::new();
+
+        assert_eq!(
+            test.syntax_name_with_content("my_script", "#!/bin/bash"),
+            "Bourne Again Shell (bash)"
+        );
+        assert_eq!(test.syntax_name_with_content("my_script", "<?php"), "PHP");
+    }
+
+    #[test]
+    fn syntax_detection_with_custom_mapping() {
+        let mut test = SyntaxDetectionTest::new();
+
+        assert_ne!(test.syntax_name("test.h"), "C++");
+        test.syntax_mapping.insert("h", "cpp");
+        assert_eq!(test.syntax_name("test.h"), "C++");
+    }
+}

tests/syntax_detection.rs

@@ -1,89 +0,0 @@
-use std::ffi::OsStr;
-use std::fs::File;
-use std::io;
-use std::io::Write;
-
-use tempdir::TempDir;
-
-use bat::assets::HighlightingAssets;
-use bat::inputfile::InputFile;
-use bat::syntax_mapping::SyntaxMapping;
-
-struct SyntaxDetectionTest {
-    assets: HighlightingAssets,
-    pub syntax_mapping: SyntaxMapping,
-    temp_dir: TempDir,
-}
-
-impl SyntaxDetectionTest {
-    fn new() -> Self {
-        SyntaxDetectionTest {
-            assets: HighlightingAssets::from_binary(),
-            syntax_mapping: SyntaxMapping::new(),
-            temp_dir: TempDir::new("bat_syntax_detection_tests")
-                .expect("creation of temporary directory"),
-        }
-    }
-
-    fn syntax_name_with_content(&self, file_name: &str, first_line: &str) -> String {
-        let file_path = self.temp_dir.path().join(file_name);
-        {
-            let mut temp_file = File::create(&file_path).unwrap();
-            writeln!(temp_file, "{}", first_line).unwrap();
-        }
-
-        let input_file = InputFile::Ordinary(OsStr::new(&file_path));
-        let syntax = self.assets.get_syntax(
-            None,
-            input_file,
-            &mut input_file.get_reader(&io::stdin()).unwrap(),
-            &self.syntax_mapping,
-        );
-
-        syntax.name.clone()
-    }
-
-    fn syntax_name(&self, file_name: &str) -> String {
-        self.syntax_name_with_content(file_name, "")
-    }
-}
-
-#[test]
-fn syntax_detection_basic() {
-    let test = SyntaxDetectionTest::new();
-
-    assert_eq!(test.syntax_name("test.rs"), "Rust");
-    assert_eq!(test.syntax_name("test.cpp"), "C++");
-    assert_eq!(test.syntax_name("PKGBUILD"), "Bourne Again Shell (bash)");
-}
-
-#[test]
-fn syntax_detection_well_defined_mapping_for_duplicate_extensions() {
-    let test = SyntaxDetectionTest::new();
-
-    assert_eq!(test.syntax_name("test.sass"), "Sass");
-    // TODO: make these tests pass:
-    // assert_eq!(test.syntax_name("test.h"), "C");
-    // assert_eq!(test.syntax_name("test.hs"), "Haskell (Improved)");
-    // assert_eq!(test.syntax_name("test.js"), "JavaScript (Babel)");
-}
-
-#[test]
-fn syntax_detection_first_line() {
-    let test = SyntaxDetectionTest::new();
-
-    assert_eq!(
-        test.syntax_name_with_content("my_script", "#!/bin/bash"),
-        "Bourne Again Shell (bash)"
-    );
-    assert_eq!(test.syntax_name_with_content("my_script", "<?php"), "PHP");
-}
-
-#[test]
-fn syntax_detection_with_custom_mapping() {
-    let mut test = SyntaxDetectionTest::new();
-
-    assert_ne!(test.syntax_name("test.h"), "C++");
-    test.syntax_mapping.insert("h", "cpp");
-    assert_eq!(test.syntax_name("test.h"), "C++");
-}