From 4600d106e27caa87b8206e9db7af825f16c93fc0 Mon Sep 17 00:00:00 2001
From: Massimiliano Culpo <massimiliano.culpo@googlemail.com>
Date: Tue, 22 Aug 2017 23:20:19 +0200
Subject: Config scopes are now returning OrderedDicts instead of dicts.
 (#5183)

It seems 8f21332fec4c8adb5349ff90e30bb0e4f75e090e introduced a bug
in that normal dictionaries are returned from ConfigScope objects
instead of OrderedDicts. This is fixed here.
---
 lib/spack/spack/config.py                     |  6 ++--
 lib/spack/spack/test/config.py                | 28 ++++++++++++++++++
 lib/spack/spack/test/data/config/modules.yaml | 42 +++++++++++++++++++++++++++
 3 files changed, 73 insertions(+), 3 deletions(-)
 create mode 100644 lib/spack/spack/test/data/config/modules.yaml

(limited to 'lib')

diff --git a/lib/spack/spack/config.py b/lib/spack/spack/config.py
index d3a385ea80..8b7fcf334c 100644
--- a/lib/spack/spack/config.py
+++ b/lib/spack/spack/config.py
@@ -162,7 +162,7 @@ class ConfigScope(object):
     def __init__(self, name, path):
         self.name = name           # scope name.
         self.path = path           # path to directory containing configs.
-        self.sections = {}         # sections read from config files.
+        self.sections = syaml.syaml_dict()  # sections read from config files.
 
         # Register in a dict of all ConfigScopes
         # TODO: make this cleaner.  Mocking up for testing is brittle.
@@ -197,7 +197,7 @@ class ConfigScope(object):
 
     def clear(self):
         """Empty cached config information."""
-        self.sections = {}
+        self.sections = syaml.syaml_dict()
 
     def __repr__(self):
         return '<ConfigScope: %s: %s>' % (self.name, self.path)
@@ -314,7 +314,7 @@ def _mark_overrides(data):
         return [_mark_overrides(elt) for elt in data]
 
     elif isinstance(data, dict):
-        marked = {}
+        marked = syaml.syaml_dict()
         for key, val in iteritems(data):
             if isinstance(key, string_types) and key.endswith(':'):
                 key = syaml.syaml_str(key[:-1])
diff --git a/lib/spack/spack/test/config.py b/lib/spack/spack/test/config.py
index 2363754a00..d00dc64bb3 100644
--- a/lib/spack/spack/test/config.py
+++ b/lib/spack/spack/test/config.py
@@ -369,3 +369,31 @@ class TestConfig(object):
             'install_tree': 'install_tree_path',
             'build_stage': ['patha', 'pathb']
         }
+
+
+def test_keys_are_ordered():
+
+    expected_order = (
+        'bin',
+        'man',
+        'share/man',
+        'share/aclocal',
+        'lib',
+        'lib64',
+        'include',
+        'lib/pkgconfig',
+        'lib64/pkgconfig',
+        ''
+    )
+
+    config_scope = spack.config.ConfigScope(
+        'modules',
+        os.path.join(spack.test_path, 'data', 'config')
+    )
+
+    data = config_scope.get_section('modules')
+
+    prefix_inspections = data['modules']['prefix_inspections']
+
+    for actual, expected in zip(prefix_inspections, expected_order):
+        assert actual == expected
diff --git a/lib/spack/spack/test/data/config/modules.yaml b/lib/spack/spack/test/data/config/modules.yaml
new file mode 100644
index 0000000000..25fe2088e7
--- /dev/null
+++ b/lib/spack/spack/test/data/config/modules.yaml
@@ -0,0 +1,42 @@
+# -------------------------------------------------------------------------
+# This is the default configuration for Spack's module file generation.
+#
+# Settings here are versioned with Spack and are intended to provide
+# sensible defaults out of the box. Spack maintainers should edit this
+# file to keep it current.
+#
+# Users can override these settings by editing the following files.
+#
+# Per-spack-instance settings (overrides defaults):
+#   $SPACK_ROOT/etc/spack/modules.yaml
+#
+# Per-user settings (overrides default and site settings):
+#   ~/.spack/modules.yaml
+# -------------------------------------------------------------------------
+modules:
+  enable:
+    - tcl
+    - dotkit
+  prefix_inspections:
+    bin:
+      - PATH
+    man:
+      - MANPATH
+    share/man:
+      - MANPATH
+    share/aclocal:
+      - ACLOCAL_PATH
+    lib:
+      - LIBRARY_PATH
+      - LD_LIBRARY_PATH
+    lib64:
+      - LIBRARY_PATH
+      - LD_LIBRARY_PATH
+    include:
+      - CPATH
+    lib/pkgconfig:
+      - PKG_CONFIG_PATH
+    lib64/pkgconfig:
+      - PKG_CONFIG_PATH
+    '':
+      - CMAKE_PREFIX_PATH
-- 
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