Started Work on X-Ray

Could help #1006

tests/test_xray/test_xray_boto3.py

@@ -0,0 +1,84 @@
+from __future__ import unicode_literals
+
+import boto3
+import json
+import botocore.exceptions
+import sure   # noqa
+
+from moto import mock_xray
+
+import datetime
+
+
+@mock_xray
+def test_put_telemetry():
+    client = boto3.client('xray', region_name='us-east-1')
+
+    client.put_telemetry_records(
+        TelemetryRecords=[
+            {
+                'Timestamp': datetime.datetime(2015, 1, 1),
+                'SegmentsReceivedCount': 123,
+                'SegmentsSentCount': 123,
+                'SegmentsSpilloverCount': 123,
+                'SegmentsRejectedCount': 123,
+                'BackendConnectionErrors': {
+                    'TimeoutCount': 123,
+                    'ConnectionRefusedCount': 123,
+                    'HTTPCode4XXCount': 123,
+                    'HTTPCode5XXCount': 123,
+                    'UnknownHostCount': 123,
+                    'OtherCount': 123
+                }
+            },
+        ],
+        EC2InstanceId='string',
+        Hostname='string',
+        ResourceARN='string'
+    )
+
+
+@mock_xray
+def test_put_trace_segments():
+    client = boto3.client('xray', region_name='us-east-1')
+
+    client.put_trace_segments(
+        TraceSegmentDocuments=[
+            json.dumps({
+                'name': 'example.com',
+                'id': '70de5b6f19ff9a0a',
+                'start_time': 1.478293361271E9,
+                'trace_id': '1-581cf771-a006649127e371903a2de979',
+                'end_time': 1.478293361449E9
+            })
+        ]
+    )
+
+
+@mock_xray
+def test_trace_summary():
+    client = boto3.client('xray', region_name='us-east-1')
+
+    client.put_trace_segments(
+        TraceSegmentDocuments=[
+            json.dumps({
+                'name': 'example.com',
+                'id': '70de5b6f19ff9a0a',
+                'start_time': 1.478293361271E9,
+                'trace_id': '1-581cf771-a006649127e371903a2de979',
+                'in_progress': True
+            }),
+            json.dumps({
+                'name': 'example.com',
+                'id': '70de5b6f19ff9a0b',
+                'start_time': 1478293365,
+                'trace_id': '1-581cf771-a006649127e371903a2de979',
+                'end_time': 1478293385
+            })
+        ]
+    )
+
+    client.get_trace_summaries(
+        StartTime=datetime.datetime(2014, 1, 1),
+        EndTime=datetime.datetime(2017, 1, 1)
+    )