From 1a3bf508552f6f70e6e1c96b9d77db21389c872c Mon Sep 17 00:00:00 2001
From: Dimitriy Remerov <dimitriy.remerov@ticketscript.nl>
Date: Thu, 7 Apr 2016 13:07:48 +0200
Subject: [PATCH] empty-values: Added support of empty strings

---
 Processor.php                                                   | 2 +-
 Tests/fixtures/testcases/non_existent_with_environment/dist.yml | 1 +
 .../testcases/non_existent_with_environment/expected.yml        | 1 +
 .../fixtures/testcases/non_existent_with_environment/setup.yml  | 2 ++
 4 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Processor.php b/Processor.php
index 6dc208f..5ee25f1 100644
--- a/Processor.php
+++ b/Processor.php
@@ -112,7 +112,7 @@ private function getEnvValues(array $envMap)
         $params = array();
         foreach ($envMap as $param => $env) {
             $value = getenv($env);
-            if ($value) {
+            if ($value !== false) {
                 $params[$param] = Inline::parse($value);
             }
         }
diff --git a/Tests/fixtures/testcases/non_existent_with_environment/dist.yml b/Tests/fixtures/testcases/non_existent_with_environment/dist.yml
index 45f3fdd..e6e84d7 100644
--- a/Tests/fixtures/testcases/non_existent_with_environment/dist.yml
+++ b/Tests/fixtures/testcases/non_existent_with_environment/dist.yml
@@ -2,6 +2,7 @@ parameters:
     foo: bar
     boolean: false
     another: ~
+    empty: nonempty
     nested:
         foo: bar
         bar: baz
diff --git a/Tests/fixtures/testcases/non_existent_with_environment/expected.yml b/Tests/fixtures/testcases/non_existent_with_environment/expected.yml
index 45b12e2..7abe179 100644
--- a/Tests/fixtures/testcases/non_existent_with_environment/expected.yml
+++ b/Tests/fixtures/testcases/non_existent_with_environment/expected.yml
@@ -3,6 +3,7 @@ parameters:
     foo: foobar
     boolean: true
     another: null
+    empty: ''
     nested:
         foo: env_foo
         bar:
diff --git a/Tests/fixtures/testcases/non_existent_with_environment/setup.yml b/Tests/fixtures/testcases/non_existent_with_environment/setup.yml
index 684e4de..d6d7aba 100644
--- a/Tests/fixtures/testcases/non_existent_with_environment/setup.yml
+++ b/Tests/fixtures/testcases/non_existent_with_environment/setup.yml
@@ -6,8 +6,10 @@ config:
         foo: IC_TEST_FOO
         nested: IC_TEST_NESTED
         another: IC_TEST_NOT_SET
+        empty: IC_TEST_EMPTY
 
 environment:
     IC_TEST_BOOL: 'true'
     IC_TEST_FOO: 'foobar'
     IC_TEST_NESTED: '{foo: env_foo, bar: [env, test, null]}'
+    IC_TEST_EMPTY: ''