More tests; use a single tracer

Author: pglombardo

tests/__init__.py

@@ -1,4 +1,6 @@
 import os
-import sys
-sys.path.append("/Users/pglombardo/Projects/instana/python-sensor")
+import opentracing
+import instana.tracer
 os.environ["INSTANA_TEST"] = "true"
+
+opentracing.global_tracer = instana.tracer.InstanaTracer()

tests/test_ot_span.py

@@ -4,8 +4,7 @@
 from nose.tools import assert_equals
 
 
-def test_span_basics():
-    opentracing.global_tracer = instana.tracer.InstanaTracer()
+def test_span_interface():
     span = opentracing.global_tracer.start_span("blah")
     assert hasattr(span, "finish")
     assert hasattr(span, "set_tag")
@@ -15,3 +14,25 @@ def test_span_basics():
     assert hasattr(span, "get_baggage_item")
     assert hasattr(span, "context")
     assert hasattr(span, "log")
+
+
+def test_span_ids():
+    count = 0
+    while count <= 1000:
+        count += 1
+        span = opentracing.global_tracer.start_span("test_span_ids")
+        context = span.context
+        assert -9223372036854775808 <= context.span_id <= 9223372036854775807
+        assert -9223372036854775808 <= context.trace_id <= 9223372036854775807
+
+
+def test_span_fields():
+    span = opentracing.global_tracer.start_span("mycustom")
+    assert_equals("mycustom", span.operation_name)
+    assert span.context
+
+    span.set_tag("tagone", "string")
+    span.set_tag("tagtwo", 150)
+
+    assert_equals("string", span.tags['tagone'])
+    assert_equals(150, span.tags['tagtwo'])

tests/test_ot_tracer.py

@@ -5,7 +5,6 @@
 
 def test_tracer_basics():
     assert hasattr(instana.tracer, 'InstanaTracer')
-    opentracing.global_tracer = instana.tracer.InstanaTracer()
     assert hasattr(opentracing.global_tracer, "start_span")
     assert hasattr(opentracing.global_tracer, "inject")
     assert hasattr(opentracing.global_tracer, "extract")