require File.dirname(__FILE__) + "/spec_helper"
require "piston/repository"
require "fileutils"

describe Piston::Repository do
  it "should raise an ArgumentError is instantiated without a URL" do
    lambda { Piston::Repository.new }.should raise_error(ArgumentError)
  end

  it "should raise an ArgumentError is instantiated with nil as the URL" do
    lambda { Piston::Repository.new(nil) }.should raise_error(ArgumentError)
  end

  it "should NOT raise an error if the URL is a URI object" do
    Piston::Repository.new(URI.parse("http://svn.repository.org/repos"))
  end

  it "should report it does not exist when used on a repository which does not exist" do
    Piston::Repository.new("file:///path/to/some/repos").should_not exist
  end
end

describe Piston::Repository, "with a file:/// URL" do
  it_should_behave_like "A local repository"

  it "should report it exists when used on a repository which was created" do
    @repos.should exist
  end

  it "should create the repository on-disk" do
    File.directory?(@repos_dir).should == true
  end

  it "should raise an exception if the directory already exists" do
    lambda { @repos.create! }.should raise_error(Piston::Repository::DirectoryAlreadyExists)
  end
end

describe Piston::Repository, "with a newly created local repository" do
  it_should_behave_like "A local repository"

  it "should report the current revision number" do
    @repos.youngest.should == 0
  end

  it "should report the full URL" do
    @repos.url.should == "file://#{@repos_dir}"
  end

  it "should report the repository's UUID" do
    @repos.uuid.should == YAML.load(`svn info #{@repos.url}`)["Repository UUID"]
  end
end

describe Piston::Repository, "on a remote repository" do
  it "should complain when attempting to create the repository" do
    lambda {
      Piston::Repository.new("http://some.repository.net/").create!
    }.should raise_error(Piston::Repository::NoCreateOnRemoteRepositoryUrl)
  end
end

describe Piston::Repository, "with 2 revisions" do
  it_should_behave_like "A working copy against a local repository"

  before do
    @wc.checkout(@repos.url)
    @wc.create!("main.c", "rev1")
    @wc.commit
    @wc.edit!("main.c", "rev2")
    @wc.commit
  end

  it "should allow catting the HEAD revision of a file" do
    @repos.cat("main.c").should == "rev2"
  end

  it "should allow catting a specific revision of a file" do
    @repos.cat("main.c", 1).should == "rev1"
  end

  it "should raise a FileNotFound exception when the file does not exist" do
    lambda { @repos.cat("missing.c") }.should raise_error(Piston::Repository::FileNotFound)
  end
end