1 files changed, 45 insertions, 0 deletions
diff --git a/tests/fixtures_test.rs b/tests/fixtures_test.rs
new file mode 100644
index 0000000..e471521
--- /dev/null
+++ b/tests/fixtures_test.rs
@@ -0,0 +1,45 @@
+mod diff;
+mod snippet;
+
+use crate::snippet::SnippetDef;
+use annotate_snippets::{display_list::DisplayList, snippet::Snippet};
+use glob::glob;
+use std::{error::Error, fs::File, io, io::prelude::*};
+
+fn read_file(path: &str) -> Result<String, io::Error> {
+    let mut f = File::open(path)?;
+    let mut s = String::new();
+    (f.read_to_string(&mut s))?;
+    Ok(s.trim_end().to_string())
+}
+
+fn read_fixture<'de>(src: &'de str) -> Result<Snippet<'de>, Box<dyn Error>> {
+    Ok(toml::from_str(src).map(|a: SnippetDef| a.into())?)
+}
+
+#[test]
+fn test_fixtures() {
+    for entry in glob("./tests/fixtures/no-color/**/*.toml").expect("Failed to read glob pattern") {
+        let p = entry.expect("Error while getting an entry");
+
+        let path_in = p.to_str().expect("Can't print path");
+        let path_out = path_in.replace(".toml", ".txt");
+
+        let src = read_file(&path_in).expect("Failed to read file");
+        let snippet = read_fixture(&src).expect("Failed to read file");
+        let expected_out = read_file(&path_out).expect("Failed to read file");
+
+        let dl = DisplayList::from(snippet);
+        let actual_out = dl.to_string();
+        println!("{}", expected_out);
+        println!("{}", actual_out.trim_end());
+
+        assert_eq!(
+            expected_out,
+            actual_out.trim_end(),
+            "\n\n\nWhile parsing: {}\nThe diff is:\n\n\n{}\n\n\n",
+            path_in,
+            diff::get_diff(expected_out.as_str(), actual_out.as_str())
+        );
+    }
+}