test: add integration tests on CodeExecutor with the sandbox service (#4015)

api/tests/integration_tests/workflow/nodes/code_executor/test_code_javascript.py

@@ -0,0 +1,18 @@
+from core.helper.code_executor.code_executor import CodeExecutor
+
+CODE_LANGUAGE = 'javascript'
+
+
+def test_javascript_plain():
+    code = 'console.log("Hello World")'
+    result_message = CodeExecutor.execute_code(language=CODE_LANGUAGE, preload='', code=code)
+    assert result_message == 'Hello World\n'
+
+
+def test_javascript_json():
+    code = """
+obj = {'Hello': 'World'}
+console.log(JSON.stringify(obj))
+    """
+    result = CodeExecutor.execute_code(language=CODE_LANGUAGE, preload='', code=code)
+    assert result == '{"Hello":"World"}\n'

api/tests/integration_tests/workflow/nodes/code_executor/test_code_jina2.py

@@ -0,0 +1,14 @@
+import base64
+
+from core.helper.code_executor.code_executor import CodeExecutor
+from core.helper.code_executor.jinja2_transformer import JINJA2_PRELOAD, PYTHON_RUNNER
+
+CODE_LANGUAGE = 'jinja2'
+
+
+def test_jinja2():
+    template = 'Hello {{template}}'
+    inputs = base64.b64encode(b'{"template": "World"}').decode('utf-8')
+    code = PYTHON_RUNNER.replace('{{code}}', template).replace('{{inputs}}', inputs)
+    result = CodeExecutor.execute_code(language=CODE_LANGUAGE, preload=JINJA2_PRELOAD, code=code)
+    assert result == '<<RESULT>>Hello World<<RESULT>>\n'

api/tests/integration_tests/workflow/nodes/code_executor/test_code_python3.py

@@ -0,0 +1,18 @@
+from core.helper.code_executor.code_executor import CodeExecutor
+
+CODE_LANGUAGE = 'python3'
+
+
+def test_python3_plain():
+    code = 'print("Hello World")'
+    result = CodeExecutor.execute_code(language=CODE_LANGUAGE, preload='', code=code)
+    assert result == 'Hello World\n'
+
+
+def test_python3_json():
+    code = """
+import json
+print(json.dumps({'Hello': 'World'}))
+    """
+    result = CodeExecutor.execute_code(language=CODE_LANGUAGE, preload='', code=code)
+    assert result == '{"Hello": "World"}\n'