test(xatu): use fixture files

src/xatu/BUILD

@@ -27,6 +27,10 @@ rust_test(
 rust_test(
     name = "xatu_test",
     srcs = ["xatu_test.rs"],
+    compile_data = [
+        "testdata/clean.nix",
+        "testdata/empty_inherit.nix",
+    ],
     deps = [":xatu_lib"],
 )
 

src/xatu/testdata/clean.nix

@@ -0,0 +1 @@
+{ inherit foo; }

src/xatu/testdata/empty_inherit.nix

@@ -0,0 +1 @@
+{ inherit; }

src/xatu/xatu_test.rs

@@ -12,8 +12,11 @@ fn source_file(path: &str, source: &str) -> SourceFile {
 #[test]
 fn future_sight_reports_empty_inherit_findings() {
     let report = xatu::future_sight(vec![
-        source_file("clean.nix", "{ inherit foo; }"),
+        source_file("clean.nix", include_str!("testdata/clean.nix")),
-        source_file("empty.nix", "{ inherit; }"),
+        source_file(
+            "empty_inherit.nix",
+            include_str!("testdata/empty_inherit.nix"),
+        ),
     ])
     .expect("sources should parse");
 
@@ -21,6 +24,9 @@ fn future_sight_reports_empty_inherit_findings() {
     assert_eq!(1, report.diagnostics.len());
 
     let diagnostic = &report.diagnostics[0];
-    assert_eq!(PathBuf::from("empty.nix"), report.files.get(diagnostic.file_id).path);
+    assert_eq!(
+        PathBuf::from("empty_inherit.nix"),
+        report.files.get(diagnostic.file_id).path,
+    );
     assert_eq!("empty_inherit", diagnostic.finding.rule_id);
 }