Test the config file support.

--HG--
branch : config

1 files changed, 63 insertions, 0 deletions

diff --git a/test/test_config.py b/test/test_config.py
new file mode 100644
index 00000000..4206fa98
--- /dev/null
+++ b/test/test_config.py
@@ -0,0 +1,63 @@
+"""Test the config file handling for coverage.py"""
+
+import os, sys
+import coverage
+
+sys.path.insert(0, os.path.split(__file__)[0]) # Force relative import for Py3k
+from coveragetest import CoverageTest
+
+
+class ConfigTest(CoverageTest):
+    """Tests of the config file support."""
+
+    def test_default_config(self):
+        # Just constructing a coverage() object gets the right defaults.
+        cov = coverage.coverage()
+        self.assertFalse(cov.config.timid)
+        self.assertFalse(cov.config.branch)
+
+    def test_arguments(self):
+        # Arguments to the constructor are applied to the configuation.
+        cov = coverage.coverage(timid=True)
+        self.assert_(cov.config.timid)
+        self.assertFalse(cov.config.branch)
+
+    def test_config_file(self):
+        # A .coveragerc file will be read into the configuration.
+        self.make_file(".coveragerc", """\
+            [run]
+            timid = True
+            """)
+        cov = coverage.coverage()
+        self.assert_(cov.config.timid)
+        self.assertFalse(cov.config.branch)
+
+    def test_named_config_file(self):
+        # You can name the config file what you like.
+        self.make_file("my_cov.ini", """\
+            [run]
+            timid = True
+            """)
+        cov = coverage.coverage(config_file="my_cov.ini")
+        self.assert_(cov.config.timid)
+        self.assertFalse(cov.config.branch)
+
+    def test_ignored_config_file(self):
+        # You can disable reading the .coveragerc file.
+        self.make_file(".coveragerc", """\
+            [run]
+            timid = True
+            """)
+        cov = coverage.coverage(config_file=False)
+        self.assertFalse(cov.config.timid)
+        self.assertFalse(cov.config.branch)
+
+    def test_config_file_then_args(self):
+        # The arguments override the .coveragerc file.
+        self.make_file(".coveragerc", """\
+            [run]
+            timid = True
+            """)
+        cov = coverage.coverage(timid=False)
+        self.assertFalse(cov.config.timid)
+        self.assertFalse(cov.config.branch)