1 files changed, 126 insertions, 0 deletions

diff --git a/railties/test/paths_test.rb b/railties/test/paths_test.rb
new file mode 100644
index 0000000000..fa2f6ceee2
--- /dev/null
+++ b/railties/test/paths_test.rb
@@ -0,0 +1,126 @@
+require 'abstract_unit'
+require 'rails/paths'
+
+class PathsTest < ActiveSupport::TestCase
+
+  def setup
+    @root = Rails::Application::Root.new("/foo/bar")
+  end
+
+  test "the paths object is initialized with the root path" do
+    root = Rails::Application::Root.new("/fiz/baz")
+    assert_equal "/fiz/baz", root.path
+  end
+
+  test "creating a root level path" do
+    @root.app = "/foo/bar"
+    assert_equal ["/foo/bar"], @root.app.to_a
+  end
+
+  test "relative paths are relative to the paths root" do
+    @root.app = "app"
+    assert_equal ["/foo/bar/app"], @root.app.to_a
+  end
+
+  test "creating a child level path" do
+    @root.app        = "/foo/bar"
+    @root.app.models = "/foo/bar/baz"
+    assert_equal ["/foo/bar/baz"], @root.app.models.to_a
+  end
+
+  test "child level paths are relative from the root" do
+    @root.app        = "/app"
+    @root.app.models = "baz"
+
+    assert_equal ["/foo/bar/baz"], @root.app.models.to_a
+  end
+
+  test "adding multiple physical paths as an array" do
+    @root.app = ["/app", "/app2"]
+    assert_equal ["/app", "/app2"], @root.app.to_a
+  end
+
+  test "adding multiple physical paths using #push" do
+    @root.app = "/app"
+    @root.app.push "/app2"
+    assert_equal ["/app", "/app2"], @root.app.to_a
+  end
+
+  test "adding multiple physical paths using <<" do
+    @root.app = "/app"
+    @root.app << "/app2"
+    assert_equal ["/app", "/app2"], @root.app.to_a
+  end
+
+  test "adding multiple physical paths using concat" do
+    @root.app = "/app"
+    @root.app.concat ["/app2", "/app3"]
+    assert_equal ["/app", "/app2", "/app3"], @root.app.to_a
+  end
+
+  test "adding multiple physical paths using #unshift" do
+    @root.app = "/app"
+    @root.app.unshift "/app2"
+    assert_equal ["/app2", "/app"], @root.app.to_a
+  end
+
+  test "the root can only have one physical path" do
+    assert_raise(RuntimeError) { Rails::Application::Root.new(["/fiz", "/biz"]) }
+    assert_raise(NoMethodError) { @root.push "/biz"    }
+    assert_raise(NoMethodError) { @root.unshift "/biz" }
+    assert_raise(NoMethodError) { @root.concat ["/biz"]}
+    assert_raise(NoMethodError) { @root << "/biz"      }
+  end
+
+  test "it is possible to add a path that should be loaded only once" do
+    @root.app = "/app"
+    @root.app.load_once!
+    assert @root.app.load_once?
+    assert @root.load_once.include?(@root.app.paths.first)
+  end
+
+  test "making a path load_once more than once only includes it once in @root.load_once" do
+    @root.app = "/app"
+    @root.app.load_once!
+    @root.app.load_once!
+    assert_equal 1, @root.load_once.select {|p| p == @root.app.paths.first }.size
+  end
+
+  test "it is possible to mark a path as eager" do
+    @root.app = "/app"
+    @root.app.eager_load!
+    assert @root.app.eager_load?
+    assert @root.eager_load.include?(@root.app.paths.first)
+  end
+
+  test "making a path eager more than once only includes it once in @root.eager_paths" do
+    @root.app = "/app"
+    @root.app.eager_load!
+    @root.app.eager_load!
+    assert_equal 1, @root.eager_load.select {|p| p == @root.app.paths.first }.size
+  end
+
+  test "a path should have a glob that defaults to **/*.rb" do
+    @root.app = "/app"
+    assert_equal "**/*.rb", @root.app.glob
+  end
+
+  test "it should be possible to override a path's default glob" do
+    @root.app = "/app"
+    @root.app.glob = "*.rb"
+    assert_equal "*.rb", @root.app.glob
+  end
+
+  test "a path can be added to the load path" do
+    @root.app = "app"
+    @root.app.load_path!
+    @root.app.models = "app/models"
+    assert_equal ["/foo/bar/app"], @root.load_paths
+  end
+
+  test "adding a path to the eager paths also adds it to the load path" do
+    @root.app = "app"
+    @root.app.eager_load!
+    assert_equal ["/foo/bar/app"], @root.load_paths
+  end
+end
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