From cb1b65a4ad1b8302304706b1775401d165486d02 Mon Sep 17 00:00:00 2001
From: Ned Batchelder <ned@nedbatchelder.com>
Date: Fri, 14 Jun 2019 06:50:25 -0400
Subject: Make it easier for me to measure test_function contexts

---
 igor.py     | 5 +++--
 metacov.ini | 7 ++++---
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/igor.py b/igor.py
index b0ef6876..1bb7d19f 100644
--- a/igor.py
+++ b/igor.py
@@ -75,7 +75,7 @@ def should_skip(tracer):
     """Is there a reason to skip these tests?"""
     if tracer == "py":
         # $set_env.py: COVERAGE_NO_PYTRACER - Don't run the tests under the Python tracer.
-        skipper = os.environ.get("COVERAGE_NO_PYTRACER")
+        skipper = os.environ.get("COVERAGE_NO_PYTRACER") or os.environ.get("COVERAGE_CONTEXT")
     else:
         # $set_env.py: COVERAGE_NO_CTRACER - Don't run the tests under the C tracer.
         skipper = os.environ.get("COVERAGE_NO_CTRACER")
@@ -174,7 +174,8 @@ def do_combine_html():
     cov.load()
     cov.combine()
     cov.save()
-    cov.html_report()
+    show_contexts = bool(os.environ.get('COVERAGE_CONTEXT'))
+    cov.html_report(show_contexts=show_contexts)
     cov.xml_report()
 
 
diff --git a/metacov.ini b/metacov.ini
index 3d4b7cf7..d00019f8 100644
--- a/metacov.ini
+++ b/metacov.ini
@@ -7,9 +7,10 @@ branch = true
 data_file = ${COVERAGE_METAFILE?}
 parallel = true
 source =
-    ${COVERAGE_HOME?}/coverage
-    ${COVERAGE_HOME?}/tests
-dynamic_context = none
+    ${COVERAGE_HOME-.}/coverage
+    ${COVERAGE_HOME-.}/tests
+# $set_env.py: COVERAGE_CONTEXT - set to 'test_function' for who-tests-what
+dynamic_context = ${COVERAGE_CONTEXT-none}
 
 [report]
 # We set a different pragma so our code won't be confused with test code.
-- 
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