From 8416ddba416b9a4c12fb1033101bbca9d11ac8ca Mon Sep 17 00:00:00 2001
From: Ned Batchelder <ned@nedbatchelder.com>
Date: Sun, 25 Nov 2012 17:16:59 -0500
Subject: Config files now can use environment variables.  #97.

---
 test/test_config.py | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'test')

diff --git a/test/test_config.py b/test/test_config.py
index 19e37ab9..1fdc2ce2 100644
--- a/test/test_config.py
+++ b/test/test_config.py
@@ -98,6 +98,30 @@ class ConfigTest(CoverageTest):
             """)
         self.assertRaises(CoverageException, coverage.coverage)
 
+    def test_environment_vars_in_config(self):
+        # Config files can have $envvars in them.
+        self.make_file(".coveragerc", """\
+            [run]
+            data_file = $DATA_FILE.fooey
+            branch = $OKAY
+            [report]
+            exclude_lines =
+                the_$$one
+                another${THING}
+                x${THING}y
+                x${NOTHING}y
+                huh$${X}what
+            """)
+        self.set_environ("DATA_FILE", "hello-world")
+        self.set_environ("THING", "ZZZ")
+        self.set_environ("OKAY", "yes")
+        cov = coverage.coverage()
+        self.assertEqual(cov.config.data_file, "hello-world.fooey")
+        self.assertEqual(cov.config.branch, True)
+        self.assertEqual(cov.config.exclude_list,
+            ["the_$one", "anotherZZZ", "xZZZy", "xy", "huh${X}what"]
+            )
+
 
 class ConfigFileTest(CoverageTest):
     """Tests of the config file settings in particular."""
-- 
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