Update test suite.

* Break single test case class into several test cases.
* Fix broken arch test.
* Make update tests optional (seem to only work for mxcl).
* Add more tests.
* Move fixtures to separate folder.

1 files changed, 67 insertions, 0 deletions

diff --git a/Library/Homebrew/test/test_updater.rb b/Library/Homebrew/test/test_updater.rb
new file mode 100644
index 000000000..893589983
--- /dev/null
+++ b/Library/Homebrew/test/test_updater.rb
@@ -0,0 +1,67 @@
+class UpdaterTests < Test::Unit::TestCase
+  OUTSIDE_PREFIX = '/tmp'
+  def outside_prefix
+    Dir.chdir(OUTSIDE_PREFIX) { yield }
+  end
+  
+  def fixture(name)
+    self.class.fixture_data[name]
+  end
+  
+  def self.fixture_data
+    unless @fixture_data
+      require 'yaml'
+      @fixture_data = YAML.load_file(Pathname.new(ABS__FILE__).parent.realpath + 'fixtures/updater_fixture.yaml')
+    end
+    @fixture_data
+  end
+
+  def test_update_homebrew_without_any_changes
+    outside_prefix do
+      updater = RefreshBrewMock.new
+      updater.in_prefix_expect("git checkout master")
+      updater.in_prefix_expect("git pull origin master", "Already up-to-date.\n")
+      
+      assert_equal false, updater.update_from_masterbrew!
+      assert updater.expectations_met?
+      assert updater.updated_formulae.empty?
+      assert updater.added_formulae.empty?
+    end
+  end
+  
+  def test_update_homebrew_without_formulae_changes
+    outside_prefix do
+      updater = RefreshBrewMock.new
+      updater.in_prefix_expect("git checkout master")
+      output = fixture('update_git_pull_output_without_formulae_changes')
+      updater.in_prefix_expect("git pull origin master", output)
+      
+      assert_equal true, updater.update_from_masterbrew!
+      assert !updater.pending_formulae_changes?
+      assert updater.updated_formulae.empty?
+      assert updater.added_formulae.empty?
+    end
+  end
+  
+  def test_update_homebrew_with_formulae_changes
+    outside_prefix do
+      updater = RefreshBrewMock.new
+      updater.in_prefix_expect("git checkout master")
+      output = fixture('update_git_pull_output_with_formulae_changes')
+      updater.in_prefix_expect("git pull origin master", output)
+      
+      assert_equal true, updater.update_from_masterbrew!
+      assert updater.pending_formulae_changes?
+      assert_equal %w{ xar yajl }, updater.updated_formulae
+      assert_equal %w{ antiword bash-completion ddrescue dict lua }, updater.added_formulae
+    end
+  end
+  
+  def test_updater_returns_current_revision
+    outside_prefix do
+      updater = RefreshBrewMock.new
+      updater.in_prefix_expect('git log -l -1 --pretty=format:%H', 'the-revision-hash')
+      assert_equal 'the-revision-hash', updater.current_revision
+    end
+  end
+end