"""Tests for the config command
"""

import pytest
import textwrap

from pip.status_codes import ERROR
from tests.lib.configuration_helpers import kinds, ConfigurationFileIOMixin


def test_no_options_passed_should_error(script):
    result = script.pip('config', expect_error=True)
    assert result.returncode == ERROR


class TestBasicLoading(ConfigurationFileIOMixin):

    @pytest.mark.skip("Can't modify underlying file for any mode")
    def test_reads_file_appropriately(self, script):
        contents = """
            [test]
            hello = 1
        """

        with self.patched_file(kinds.USER, contents):
            result = script.pip("config", "list")

        assert "test.hello=1" in result.stdout

    def test_modification_pipeline(self, script):
        script.pip(
            "config", "get", "test.blah", expect_error=True
        )
        script.pip("config", "set", "test.blah", "1")

        result4 = script.pip("config", "get", "test.blah")
        assert result4.stdout.strip() == "1"

    def test_listing_is_correct(self, script):
        script.pip("config", "set", "test.listing-beta", "2")
        script.pip("config", "set", "test.listing-alpha", "1")
        script.pip("config", "set", "test.listing-gamma", "3")

        result = script.pip("config", "list")

        lines = list(filter(
            lambda x: x.startswith("test.listing-"),
            result.stdout.splitlines()
        ))

        expected = """
            test.listing-alpha='1'
            test.listing-beta='2'
            test.listing-gamma='3'
        """

        assert lines == textwrap.dedent(expected).strip().splitlines()

"""Tests for the config command
"""

from pip.status_codes import ERROR
from tests.lib.configuration_helpers import kinds, ConfigurationFileIOMixin


def test_no_options_passed_should_error(script):
    result = script.pip('config', expect_error=True)
    assert result.returncode == ERROR


class TestBasicLoading(ConfigurationFileIOMixin):

    def test_reads_user_file(self, script):
        contents = """
            [test]
            hello = 1
        """

        with self.patched_file(kinds.USER, contents):
            result = script.pip("config", "--list")

        assert "test.hello = 1" in result.stdout

--- 
+++ 
@@ -1,5 +1,8 @@
 """Tests for the config command
 """
+
+import pytest
+import textwrap
 
 from pip.status_codes import ERROR
 from tests.lib.configuration_helpers import kinds, ConfigurationFileIOMixin
@@ -12,13 +15,43 @@
 
 class TestBasicLoading(ConfigurationFileIOMixin):
 
-    def test_reads_user_file(self, script):
+    @pytest.mark.skip("Can't modify underlying file for any mode")
+    def test_reads_file_appropriately(self, script):
         contents = """
             [test]
             hello = 1
         """
 
         with self.patched_file(kinds.USER, contents):
-            result = script.pip("config", "--list")
+            result = script.pip("config", "list")
 
-        assert "test.hello = 1" in result.stdout
+        assert "test.hello=1" in result.stdout
+
+    def test_modification_pipeline(self, script):
+        script.pip(
+            "config", "get", "test.blah", expect_error=True
+        )
+        script.pip("config", "set", "test.blah", "1")
+
+        result4 = script.pip("config", "get", "test.blah")
+        assert result4.stdout.strip() == "1"
+
+    def test_listing_is_correct(self, script):
+        script.pip("config", "set", "test.listing-beta", "2")
+        script.pip("config", "set", "test.listing-alpha", "1")
+        script.pip("config", "set", "test.listing-gamma", "3")
+
+        result = script.pip("config", "list")
+
+        lines = list(filter(
+            lambda x: x.startswith("test.listing-"),
+            result.stdout.splitlines()
+        ))
+
+        expected = """
+            test.listing-alpha='1'
+            test.listing-beta='2'
+            test.listing-gamma='3'
+        """
+
+        assert lines == textwrap.dedent(expected).strip().splitlines()
Add basic tests for configuration
