require File.dirname(__FILE__) + '/../test_helper'

class MercurialTest < Test::Unit::TestCase
  
  def setup
    @parser = mock("parser")
    @mercurial = Mercurial.new(@parser)
  end
  
  def test_update
    project = mock("project")
    project.expects(:local_checkout).returns("/tmp")
    
    revision = mock("revision")
    
    @mercurial.expects(:pull_command).returns("pull")
    @mercurial.expects(:execute).with("pull")
    @mercurial.expects(:update_command).with(revision).returns("update")
    @mercurial.expects(:execute).with("update")
    @mercurial.update(project, revision)
  end
  
  def test_latest_revision
    @parser.expects(:parse_log).with("log_result").returns(["foo"])
    project = mock("project")
    project.expects(:local_checkout).returns("/tmp")
    @mercurial.expects(:pull_command).returns("pull")
    @mercurial.expects(:execute).with("pull")
        
    @mercurial.expects(:log_command).with("tip").returns("log")
    @mercurial.expects(:execute).with("log").returns("log_result")
    assert_equal("foo", @mercurial.latest_revision(project))
  end
  
  def test_revisions_since
    
    rev3 = mock("rev3")
    rev3.expects(:number).returns(3)
    rev2 = mock("rev2")
    rev2.expects(:number).returns(2)
    rev1 = mock("rev1")
    rev1.expects(:number).returns(1)
    
    project = mock("project")
    project.expects(:local_checkout).returns("/tmp")
    @parser.expects(:parse_log).returns([rev3, rev2, rev1])
    @mercurial.expects(:pull_command).returns("pull")
    @mercurial.expects(:execute).with("pull")
    
    @mercurial.expects(:log_command).with(1).returns("log")
    @mercurial.expects(:execute).with("log")
    
    assert_equal([rev3, rev2], @mercurial.revisions_since(project, 1))
  end
  
  def test_update_command_without_rev
    assert_equal("hg update", @mercurial.update_command)
  end
    
  def test_update_command_with_rev
    revision = mock("revision")
    revision.expects(:number).returns(1)

    assert_equal("hg update 1", @mercurial.update_command(revision))
  end
  
  def test_pull_command
    assert_equal("hg pull", @mercurial.pull_command)
  end
  
  def test_log_command_without_rev
    assert_equal("hg log -v -r tip:tip", @mercurial.log_command)
  end

  def test_log_command_without_rev
    assert_equal("hg log -v -r tip:3", @mercurial.log_command(3))
  end

end