Merge pull request #81 from kdarkhan/fuzz-tests

Implement  fuzzer for normalize

.github/workflows/test.yml

@@ -48,11 +48,15 @@ jobs:
           restore-keys: |
             fuzz-corpus
 
-      - name: Run fuzz test
-        run: cargo fuzz run group_events -- -only_ascii=1 -max_total_time=30
-
-      - name: Minimize fuzz corpus
-        run: cargo fuzz cmin group_events
+      - name: Run group_events fuzzer and minimize corpus
+        run: |
+          cargo fuzz run group_events -- -only_ascii=1 -max_total_time=30
+          cargo fuzz cmin group_events
+
+      - name: Run normalize fuzzer and minimize corpus
+        run: |
+          cargo fuzz run normalize -- -only_ascii=1 -max_total_time=30
+          cargo fuzz cmin normalize
 
   clippy:
     name: Clippy

fuzz/Cargo.toml

@@ -9,6 +9,7 @@ cargo-fuzz = true
 
 [dependencies]
 libfuzzer-sys = "0.4"
+polib = "0.2.0"
 pretty_assertions = "1.3.0"
 
 [dependencies.mdbook-i18n-helpers]
@@ -26,3 +27,9 @@ name = "group_events"
 path = "fuzz_targets/group_events.rs"
 test = false
 doc = false
+
+[[bin]]
+name = "normalize"
+path = "fuzz_targets/normalize.rs"
+test = false
+doc = false

fuzz/fuzz_targets/normalize.rs

@@ -0,0 +1,25 @@
+#![no_main]
+
+use libfuzzer_sys::fuzz_target;
+use mdbook_i18n_helpers::normalize::normalize;
+use polib::catalog::Catalog;
+use polib::message::Message;
+use polib::metadata::CatalogMetadata;
+
+fuzz_target!(|translations: Vec<(&str, &str)>| {
+    let catalog = create_catalog(translations);
+    let _ = normalize(catalog);
+});
+
+fn create_catalog(translations: Vec<(&str, &str)>) -> Catalog {
+    let mut catalog = Catalog::new(CatalogMetadata::new());
+    for (idx, (msgid, msgstr)) in translations.iter().enumerate() {
+        let message = Message::build_singular()
+            .with_source(format!("foo.md:{idx}"))
+            .with_msgid(String::from(*msgid))
+            .with_msgstr(String::from(*msgstr))
+            .done();
+        catalog.append_or_update(message);
+    }
+    catalog
+}