docs: clarify how to use ASYNCHRONOUS write (#90)

Author: bednar

README.rst

@@ -397,13 +397,17 @@ Data are writes in an asynchronous HTTP request.
 
 .. code-block:: python
 
-   from influxdb_client  import InfluxDBClient
+   from influxdb_client import InfluxDBClient, Point
    from influxdb_client.client.write_api import ASYNCHRONOUS
 
    client = InfluxDBClient(url="http://localhost:9999", token="my-token", org="my-org")
-   write_client = client.write_api(write_options=ASYNCHRONOUS)
+   write_api = client.write_api(write_options=ASYNCHRONOUS)
+
+   _point1 = Point("my_measurement").tag("location", "Prague").field("temperature", 25.3)
+   _point2 = Point("my_measurement").tag("location", "New York").field("temperature", 24.3)
 
-   ...
+   async_result = write_api.write(bucket="my-bucket", record=[_point1, _point2])
+   async_result.get()
 
    client.__del__()
 
@@ -414,13 +418,16 @@ Data are writes in a synchronous HTTP request.
 
 .. code-block:: python
 
-   from influxdb_client  import InfluxDBClient
+   from influxdb_client import InfluxDBClient, Point
    from influxdb_client .client.write_api import SYNCHRONOUS
 
    client = InfluxDBClient(url="http://localhost:9999", token="my-token", org="my-org")
-   write_client = client.write_api(write_options=SYNCHRONOUS)
+   write_api = client.write_api(write_options=SYNCHRONOUS)
+
+   _point1 = Point("my_measurement").tag("location", "Prague").field("temperature", 25.3)
+   _point2 = Point("my_measurement").tag("location", "New York").field("temperature", 24.3)
 
-   ...
+   write_api.write(bucket="my-bucket", record=[_point1, _point2])
 
    client.__del__()
 

tests/test_WriteApi.py

@@ -349,8 +349,8 @@ def test_write_dictionaries(self):
 
         _point_list = [_point1, _point2]
 
-        self.write_client.write(bucket.name, self.org, _point_list)
-        time.sleep(1)
+        async_result = self.write_client.write(bucket.name, self.org, _point_list)
+        async_result.get()
 
         query = 'from(bucket:"' + bucket.name + '") |> range(start: 1970-01-01T00:00:00.000000001Z)'
 
@@ -388,8 +388,8 @@ def test_use_default_tags_with_dictionaries(self):
 
         _point_list = [_point1, _point2]
 
-        self.write_client.write(bucket.name, self.org, _point_list)
-        time.sleep(1)
+        async_result = self.write_client.write(bucket.name, self.org, _point_list)
+        async_result.get()
 
         query = 'from(bucket:"' + bucket.name + '") |> range(start: 1970-01-01T00:00:00.000000001Z)'
 
@@ -424,10 +424,9 @@ def test_use_default_tags_with_data_frame(self):
                                   index=[now + timedelta(hours=1), now + timedelta(hours=2)],
                                   columns=["location", "water_level"])
 
-        self.write_client.write(bucket.name, record=data_frame, data_frame_measurement_name='h2o_feet',
+        async_result = self.write_client.write(bucket.name, record=data_frame, data_frame_measurement_name='h2o_feet',
                                 data_frame_tag_columns=['location'])
-
-        time.sleep(1)
+        async_result.get()
 
         query = 'from(bucket:"' + bucket.name + '") |> range(start: 1970-01-01T00:00:00.000000001Z)'
 
@@ -460,8 +459,8 @@ def test_write_bytes(self):
 
         _bytes_list = [_bytes1, _bytes2]
 
-        self.write_client.write(bucket.name, self.org, _bytes_list, write_precision=WritePrecision.S)
-        time.sleep(1)
+        async_result = self.write_client.write(bucket.name, self.org, _bytes_list, write_precision=WritePrecision.S)
+        async_result.get()
 
         query = 'from(bucket:"' + bucket.name + '") |> range(start: 1970-01-01T00:00:00.000000001Z)'