GitHub user dosubot[bot] added a comment to the discussion: Get a notify every
time some add/delete/update operation is performed on graph.
<!-- Answer -->
To write a simple test case in HugeGraph that creates a schema and adds some
vertices with properties, you can follow this example:
```java
import org.junit.Before;
import org.junit.Test;
import org.apache.hugegraph.structure.constant.T;
import org.apache.hugegraph.structure.graph.Vertex;
import org.apache.hugegraph.testutil.Assert;
import com.google.common.collect.ImmutableMap;
public class SimpleVertexTest extends BaseFuncTest {
@Override
@Before
public void setup() {
BaseClientTest.initPropertyKey();
BaseClientTest.initVertexLabel();
}
@Test
public void testCreateVertex() {
Vertex james = graph().addVertex(T.LABEL, "person", "name", "James",
"city", "Beijing", "age", 19);
Map<String, Object> props = ImmutableMap.of("name", "James",
"city", "Beijing",
"age", 19);
Assert.assertEquals(props, james.properties());
}
}
```
- **setup**: This method initializes the schema by setting up property keys and
vertex labels.
- **testCreateVertex**: This test method creates a vertex with the label
"person" and properties "name", "city", and "age". It then verifies that the
properties of the created vertex match the expected values.
This code snippet demonstrates how to create a schema and add vertices with
properties in a test case using HugeGraph
<sup>[[1]](https://github.com/apache/incubator-hugegraph-toolchain/blob/master/hugegraph-client/src/test/java/org/apache/hugegraph/functional/VertexTest.java)</sup>.
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GitHub link:
https://github.com/apache/incubator-hugegraph/discussions/2738#discussioncomment-12316633
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