Add in-tree mspec and ruby/spec

* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
  These files can therefore be updated like any other file in MRI.
  Instructions are provided in spec/README.
  [Feature #13156] [ruby-core:79246]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 127 insertions, 0 deletions

diff --git a/spec/rubyspec/library/tmpdir/dir/mktmpdir_spec.rb b/spec/rubyspec/library/tmpdir/dir/mktmpdir_spec.rb
new file mode 100644
index 0000000000..3459a47fe6
--- /dev/null
+++ b/spec/rubyspec/library/tmpdir/dir/mktmpdir_spec.rb
@@ -0,0 +1,117 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require "tmpdir"
+
+describe "Dir.mktmpdir when passed no arguments" do
+  after :each do
+    Dir.rmdir @tmpdir if File.directory? @tmpdir
+  end
+
+  it "returns the path to the created tmp-dir" do
+    Dir.stub!(:mkdir)
+    Dir.should_receive(:tmpdir).and_return("/tmp")
+    @tmpdir = Dir.mktmpdir
+    @tmpdir.should =~ /^\/tmp\//
+  end
+
+  it "creates a new writable directory in the path provided by Dir.tmpdir" do
+    Dir.should_receive(:tmpdir).and_return(tmp(""))
+    @tmpdir = Dir.mktmpdir
+    File.directory?(@tmpdir).should be_true
+    File.writable?(@tmpdir).should be_true
+  end
+end
+
+describe "Dir.mktmpdir when passed a block" do
+  before :each do
+    @real_tmp_root = tmp('')
+    Dir.stub!(:tmpdir).and_return(@real_tmp_root)
+    FileUtils.stub!(:remove_entry)
+    FileUtils.stub!(:remove_entry_secure)
+  end
+
+  after :each do
+    Dir.rmdir @tmpdir if File.directory? @tmpdir
+  end
+
+  it "yields the path to the passed block" do
+    Dir.stub!(:mkdir)
+    called = nil
+    Dir.mktmpdir do |path|
+      @tmpdir = path
+      called = true
+      path.start_with?(@real_tmp_root).should be_true
+    end
+    called.should be_true
+  end
+
+  it "creates the tmp-dir before yielding" do
+    Dir.should_receive(:tmpdir).and_return(tmp(""))
+    Dir.mktmpdir do |path|
+      @tmpdir = path
+      File.directory?(path).should be_true
+      File.writable?(path).should be_true
+    end
+  end
+
+  it "removes the tmp-dir after executing the block" do
+    Dir.stub!(:mkdir)
+    Dir.mktmpdir do |path|
+      @tmpdir = path
+      FileUtils.should_receive(:remove_entry).with(path)
+    end
+  end
+
+  it "returns the blocks return value" do
+    Dir.stub!(:mkdir)
+    result = Dir.mktmpdir do |path|
+      @tmpdir = path
+      :test
+    end
+    result.should equal(:test)
+  end
+end
+
+describe "Dir.mktmpdir when passed [String]" do
+  before :each do
+    Dir.stub!(:mkdir)
+    Dir.stub!(:tmpdir).and_return("/tmp")
+  end
+
+  after :each do
+    Dir.rmdir @tmpdir if File.directory? @tmpdir
+  end
+
+  it "uses the passed String as a prefix to the tmp-directory" do
+    prefix = "before"
+    @tmpdir = Dir.mktmpdir(prefix)
+    @tmpdir.should =~ /^\/tmp\/#{prefix}/
+  end
+end
+
+describe "Dir.mktmpdir when passed [Array]" do
+  before :each do
+    Dir.stub!(:mkdir)
+    Dir.stub!(:tmpdir).and_return("/tmp")
+    FileUtils.stub!(:remove_entry_secure)
+  end
+
+  after :each do
+    Dir.rmdir @tmpdir if File.directory? @tmpdir
+  end
+
+  it "uses the first element of the passed Array as a prefix and the scond element as a suffix to the tmp-directory" do
+    prefix = "before"
+    suffix = "after"
+
+    @tmpdir = Dir.mktmpdir([prefix, suffix])
+    @tmpdir.should =~ /#{suffix}$/
+  end
+end
+
+describe "Dir.mktmpdir when passed [Object]" do
+  it "raises an ArgumentError" do
+    lambda { Dir.mktmpdir(Object.new) }.should raise_error(ArgumentError)
+    lambda { Dir.mktmpdir(:symbol) }.should raise_error(ArgumentError)
+    lambda { Dir.mktmpdir(10) }.should raise_error(ArgumentError)
+  end
+end
diff --git a/spec/rubyspec/library/tmpdir/dir/tmpdir_spec.rb b/spec/rubyspec/library/tmpdir/dir/tmpdir_spec.rb
new file mode 100644
index 0000000000..19d54e03b3
--- /dev/null
+++ b/spec/rubyspec/library/tmpdir/dir/tmpdir_spec.rb
@@ -0,0 +1,10 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require "tmpdir"
+
+describe "Dir.tmpdir" do
+  it "returns the path to a writable and readable directory" do
+    dir = Dir.tmpdir
+    File.directory?(dir).should be_true
+    File.writable?(dir).should be_true
+  end
+end