improve coverage (#117)

Author: samuelcolvin

crates/jiter-python/tests/test_jiter.py

@@ -64,6 +64,10 @@ def test_extracted_value_error():
 
 def test_partial_array():
     json = b'["string", true, null, 1, "foo'
+
+    with pytest.raises(ValueError, match='EOF while parsing a string at line 1 column 30'):
+        jiter.from_json(json, partial_mode=False)
+
     parsed = jiter.from_json(json, partial_mode=True)
     assert parsed == ["string", True, None, 1]
 
@@ -150,6 +154,21 @@ def test_partial_nested():
         assert isinstance(parsed, dict)
 
 
+def test_partial_error():
+    json = b'["string", true, null, 1, "foo'
+
+    with pytest.raises(ValueError, match='EOF while parsing a string at line 1 column 30'):
+        jiter.from_json(json, partial_mode=False)
+
+    assert jiter.from_json(json, partial_mode=True) == ["string", True, None, 1]
+
+    msg = "Invalid partial mode, should be `'off'`, `'on'`, `'trailing-strings'` or a `bool`"
+    with pytest.raises(ValueError, match=msg):
+        jiter.from_json(json, partial_mode='wrong')
+    with pytest.raises(TypeError, match=msg):
+        jiter.from_json(json, partial_mode=123)
+
+
 def test_python_cache_usage_all():
     jiter.cache_clear()
     parsed = jiter.from_json(b'{"foo": "bar", "spam": 3}', cache_mode="all")
@@ -254,3 +273,13 @@ def test_unicode_roundtrip_ensure_ascii():
     json_data = json.dumps(original, ensure_ascii=False).encode()
     assert jiter.from_json(json_data, cache_mode=False) == original
     assert json.loads(json_data) == original
+
+
+def test_catch_duplicate_keys():
+    assert jiter.from_json(b'{"foo": 1, "foo": 2}') == {"foo": 2}
+
+    with pytest.raises(ValueError, match='Detected duplicate key "foo" at line 1 column 18'):
+        jiter.from_json(b'{"foo": 1, "foo": 2}', catch_duplicate_keys=True)
+
+    with pytest.raises(ValueError, match='Detected duplicate key "foo" at line 1 column 28'):
+        jiter.from_json(b'{"foo": 1, "bar": 2, "foo": 2}', catch_duplicate_keys=True)

crates/jiter/tests/python.rs

@@ -1,7 +1,7 @@
 use pyo3::prelude::*;
 use pyo3::types::PyString;
 
-use jiter::{pystring_fast_new, JsonValue, StringCacheMode};
+use jiter::{pystring_fast_new, JsonValue, PythonParse, StringCacheMode};
 
 #[test]
 fn test_to_py_object_numeric() {
@@ -84,3 +84,11 @@ fn test_pystring_fast_new_ascii() {
         assert_eq!(s.to_string(), "100abc");
     })
 }
+
+#[test]
+fn test_python_parse_default() {
+    Python::with_gil(|py| {
+        let v = PythonParse::default().python_parse(py, b"[123]").unwrap();
+        assert_eq!(v.to_string(), "[123]");
+    })
+}