1 files changed, 105 insertions, 0 deletions
diff --git a/ui/src/common/upload_utils_unittest.ts b/ui/src/common/upload_utils_unittest.ts
new file mode 100644
index 000000000..4c0b8ce8d
--- /dev/null
+++ b/ui/src/common/upload_utils_unittest.ts
@@ -0,0 +1,105 @@
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import {
+  deserializeStateObject,
+  isSerializedBigint,
+  serializeStateObject,
+} from './upload_utils';
+
+describe('isSerializedBigint', () => {
+  it('should return true for a valid serialized bigint', () => {
+    const value = {
+      __kind: 'bigint',
+      value: '1234567890',
+    };
+    expect(isSerializedBigint(value)).toBeTruthy();
+  });
+
+  it('should return false for a null value', () => {
+    expect(isSerializedBigint(null)).toBeFalsy();
+  });
+
+  it('should return false for a non-object value', () => {
+    expect(isSerializedBigint(123)).toBeFalsy();
+  });
+
+  it('should return false for a non-serialized bigint value', () => {
+    const value = {
+      __kind: 'not-bigint',
+      value: '1234567890',
+    };
+    expect(isSerializedBigint(value)).toBeFalsy();
+  });
+});
+
+describe('serializeStateObject', () => {
+  it('should serialize a simple object', () => {
+    const object = {
+      a: 1,
+      b: 2,
+      c: 3,
+    };
+    const expectedJson = `{"a":1,"b":2,"c":3}`;
+    expect(serializeStateObject(object)).toEqual(expectedJson);
+  });
+
+  it('should serialize a bigint', () => {
+    const object = {
+      a: 123456789123456789n,
+    };
+    const expectedJson =
+        `{"a":{"__kind":"bigint","value":"123456789123456789"}}`;
+    expect(serializeStateObject(object)).toEqual(expectedJson);
+  });
+
+  it('should not serialize a non-serializable property', () => {
+    const object = {
+      a: 1,
+      b: 2,
+      c: 3,
+      nonSerializableState: 4,
+    };
+    const expectedJson = `{"a":1,"b":2,"c":3}`;
+    expect(serializeStateObject(object)).toEqual(expectedJson);
+  });
+});
+
+describe('deserializeStateObject', () => {
+  it('should deserialize a simple object', () => {
+    const json = `{"a":1,"b":2,"c":3}`;
+    const expectedObject = {
+      a: 1,
+      b: 2,
+      c: 3,
+    };
+    expect(deserializeStateObject(json)).toEqual(expectedObject);
+  });
+
+  it('should deserialize a bigint', () => {
+    const json = `{"a":{"__kind":"bigint","value":"123456789123456789"}}`;
+    const expectedObject = {
+      a: 123456789123456789n,
+    };
+    expect(deserializeStateObject(json)).toEqual(expectedObject);
+  });
+
+  it('should deserialize a null', () => {
+    const json = `{"a":null}`;
+    const expectedObject = {
+      a: null,
+    };
+    expect(deserializeStateObject(json)).toEqual(expectedObject);
+  });
+});