test: PointTest basic tests

src/test/java/com/influxdb/v3/client/PointTest.java

@@ -0,0 +1,89 @@
+package com.influxdb.v3.client;
+
+import com.influxdb.v3.client.Point;
+import com.influxdb.v3.client.write.WriteOptions;
+import com.influxdb.v3.client.write.WritePrecision;
+import org.junit.jupiter.api.Test;
+
+import java.math.BigInteger;
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class PointTest
+{
+    @Test
+    void setMeasurement() {
+        Point point = Point.measurement("measurement");
+        assertEquals("measurement", point.getMeasurement());
+
+        point.setMeasurement("newMeasurement");
+        assertEquals("newMeasurement", point.getMeasurement());
+    }
+
+    @Test
+    void setTimestamp() {
+        Point point = Point.measurement("measurement");
+
+        Instant timestamp = Instant.parse("2023-11-08T12:00:00Z");
+        point.setTimestamp(timestamp);
+        assertEquals(BigInteger.valueOf(timestamp.getEpochSecond()).multiply(BigInteger.valueOf(1_000_000_000))
+                , point.getTimestamp());
+    }
+
+    @Test
+    void setTags() {
+        Point point = Point.measurement("measurement");
+
+        Map<String, String> tags = new HashMap<>();
+        tags.put("tag1", "value1");
+        tags.put("tag2", "value2");
+
+        point.setTags(tags);
+
+        assertEquals("value1", point.getTag("tag1"));
+        assertEquals("value2", point.getTag("tag2"));
+    }
+
+    @Test
+    void setFields() {
+        Point point = Point.measurement("measurement");
+
+        point.setField("field1", 42);
+        point.setField("field2", "value");
+        point.setField("field3", 3.14);
+
+        assertEquals(42L, point.getField("field1"));
+        assertEquals("value", point.getField("field2"));
+        assertEquals(3.14, point.getField("field3"));
+    }
+
+    @Test
+    void toLineProtocol() {
+        Point point = Point.measurement("measurement")
+                .setTag("tag1", "value1")
+                .setField("field1", 42);
+
+        String lineProtocol = point.toLineProtocol(WritePrecision.NS);
+        assertEquals("measurement,tag1=value1 field1=42i", lineProtocol);
+    }
+
+    @Test
+    void copy() {
+        Point point = Point.measurement("measurement")
+                .setTag("tag1", "value1")
+                .setField("field1", 42);
+
+        Point copy = point.copy();
+
+        // Ensure the copy is not the same object
+        assertNotSame(point, copy);
+        // Ensure the values are equal
+        assertEquals(point.getMeasurement(), copy.getMeasurement());
+        assertEquals(point.getTag("tag1"), copy.getTag("tag1"));
+        assertEquals(point.getField("field1"), copy.getField("field1"));
+    }
+}