From 4d4d2c3896ed5a5d74da833c5c3132f406f4eab7 Mon Sep 17 00:00:00 2001
From: Simon Jefford <simon.jefford@gmail.com>
Date: Tue, 3 Mar 2009 12:39:19 -0600
Subject: Enhanced Rails Metal - the load order of metals can now be configured
 [#2057 state:resolved]

Signed-off-by: Joshua Peek <josh@joshpeek.com>
---
 railties/test/metal_test.rb | 57 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 railties/test/metal_test.rb

(limited to 'railties/test/metal_test.rb')

diff --git a/railties/test/metal_test.rb b/railties/test/metal_test.rb
new file mode 100644
index 0000000000..cff231ed00
--- /dev/null
+++ b/railties/test/metal_test.rb
@@ -0,0 +1,57 @@
+require 'abstract_unit'
+require 'initializer'
+
+class MetalTest < Test::Unit::TestCase
+  def test_metals_should_return_list_of_found_metal_apps
+    use_appdir("singlemetal") do
+      assert_equal(["FooMetal"], found_metals_as_string_array)
+    end
+  end
+
+  def test_metals_should_return_alphabetical_list_of_found_metal_apps
+    use_appdir("multiplemetals") do
+      assert_equal(["MetalA", "MetalB"], found_metals_as_string_array)
+    end
+  end
+
+  def test_metals_load_order_should_be_overriden_by_requested_metals
+    use_appdir("multiplemetals") do
+      Rails::Rack::Metal.requested_metals = ["MetalB", "MetalA"]
+      assert_equal(["MetalB", "MetalA"], found_metals_as_string_array)
+    end
+  end
+
+  def test_metals_not_listed_should_not_load
+    use_appdir("multiplemetals") do
+      Rails::Rack::Metal.requested_metals = ["MetalB"]
+      assert_equal(["MetalB"], found_metals_as_string_array)
+    end
+  end
+p
+  def test_metal_finding_should_work_with_subfolders
+    use_appdir("subfolders") do
+      assert_equal(["Folder::MetalA", "Folder::MetalB"], found_metals_as_string_array)
+    end
+  end
+
+  def test_metal_finding_with_requested_metals_should_work_with_subfolders
+    use_appdir("subfolders") do
+      Rails::Rack::Metal.requested_metals = ["Folder::MetalB"]
+      assert_equal(["Folder::MetalB"], found_metals_as_string_array)
+    end
+  end
+
+  private
+
+  def use_appdir(root)
+    dir = "#{File.dirname(__FILE__)}/fixtures/metal/#{root}"
+    Rails::Rack::Metal.metal_paths = ["#{dir}/app/metal"]
+    Rails::Rack::Metal.requested_metals = nil
+    $LOAD_PATH << "#{dir}/app/metal"
+    yield
+  end
+
+  def found_metals_as_string_array
+    Rails::Rack::Metal.metals.map { |m| m.to_s }
+  end
+end
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