From a3c0745514ad98df1fbb8a6142f6cc50df76edae Mon Sep 17 00:00:00 2001
From: Grzegorz Bizon <grzesiek.bizon@gmail.com>
Date: Mon, 6 Jun 2016 11:54:54 +0200
Subject: Collect errors from all nodes in new CI config

---
 lib/gitlab/ci/config/node/entry.rb            | 18 +++++++++++++++---
 spec/lib/gitlab/ci/config/node/global_spec.rb | 25 +++++++++++++++++++++++--
 2 files changed, 38 insertions(+), 5 deletions(-)

diff --git a/lib/gitlab/ci/config/node/entry.rb b/lib/gitlab/ci/config/node/entry.rb
index 3220b01ca1a..45475316539 100644
--- a/lib/gitlab/ci/config/node/entry.rb
+++ b/lib/gitlab/ci/config/node/entry.rb
@@ -5,7 +5,7 @@ module Gitlab
         class Entry
           include Config::ValidationHelpers
 
-          attr_reader :value, :config, :parent, :nodes, :errors
+          attr_reader :value, :parent
 
           def initialize(value, config, parent = nil)
             @value = value
@@ -21,8 +21,20 @@ module Gitlab
               @nodes[key] = entry.new(@value[key], config, self)
             end
 
-            @nodes.values.each(&:process!)
-            @nodes.values.each(&:validate!)
+            nodes.each(&:process!)
+            nodes.each(&:validate!)
+          end
+
+          def errors
+            @errors + nodes.map(&:errors).flatten
+          end
+
+          def valid?
+            errors.none?
+          end
+
+          def nodes
+            @nodes.values
           end
 
           def keys
diff --git a/spec/lib/gitlab/ci/config/node/global_spec.rb b/spec/lib/gitlab/ci/config/node/global_spec.rb
index e2e8fcfabd3..4b464db35be 100644
--- a/spec/lib/gitlab/ci/config/node/global_spec.rb
+++ b/spec/lib/gitlab/ci/config/node/global_spec.rb
@@ -19,7 +19,7 @@ describe Gitlab::Ci::Config::Node::Global do
       before { global.process! }
 
       it 'creates nodes hash' do
-        expect(global.nodes).to be_a Hash
+        expect(global.nodes).to be_an Array
       end
 
       it 'creates node object for each entry' do
@@ -27,9 +27,30 @@ describe Gitlab::Ci::Config::Node::Global do
       end
 
       it 'creates node object using valid class' do
-        expect(global.nodes[:before_script])
+        expect(global.nodes.first)
           .to be_an_instance_of Gitlab::Ci::Config::Node::BeforeScript
       end
     end
   end
+
+  context 'when hash is not valid' do
+    let(:hash) do
+      { before_script: 'ls' }
+    end
+
+    before { global.process! }
+
+    describe '#valid?' do
+      it 'is not valid' do
+        expect(global).not_to be_valid
+      end
+    end
+
+    describe '#errors' do
+      it 'reports errors from child nodes' do
+        expect(global.errors)
+          .to include 'before_script should be an array of strings'
+      end
+    end
+  end
 end
-- 
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