1 files changed, 107 insertions, 0 deletions
diff --git a/spec/ruby/core/dir/mkdir_spec.rb b/spec/ruby/core/dir/mkdir_spec.rb
new file mode 100644
index 0000000000..37513e417a
--- /dev/null
+++ b/spec/ruby/core/dir/mkdir_spec.rb
@@ -0,0 +1,107 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/common'
+
+describe "Dir.mkdir" do
+  before :all do
+    DirSpecs.create_mock_dirs
+  end
+
+  after :all do
+    DirSpecs.delete_mock_dirs
+  end
+
+  it "creates the named directory with the given permissions" do
+    DirSpecs.clear_dirs
+
+    nonexisting = DirSpecs.mock_dir('nonexisting')
+    default_perms = DirSpecs.mock_dir('default_perms')
+    reduced = DirSpecs.mock_dir('reduced')
+    begin
+      File.should_not.exist?(nonexisting)
+      Dir.mkdir nonexisting
+      File.should.exist?(nonexisting)
+      platform_is_not :windows do
+        Dir.mkdir default_perms
+        a = File.stat(default_perms).mode
+        Dir.mkdir reduced, (a - 1)
+        File.stat(reduced).mode.should_not == a
+      end
+      platform_is :windows do
+        Dir.mkdir default_perms, 0666
+        a = File.stat(default_perms).mode
+        Dir.mkdir reduced, 0444
+        File.stat(reduced).mode.should_not == a
+      end
+
+      always_returns_0 = DirSpecs.mock_dir('always_returns_0')
+      Dir.mkdir(always_returns_0).should == 0
+      platform_is_not(:windows) do
+        File.chmod(0777, nonexisting, default_perms, reduced, always_returns_0)
+      end
+      platform_is_not(:windows) do
+        File.chmod(0644, nonexisting, default_perms, reduced, always_returns_0)
+      end
+    ensure
+      DirSpecs.clear_dirs
+    end
+  end
+
+  it "calls #to_path on non-String path arguments" do
+    DirSpecs.clear_dirs
+    p = mock('path')
+    p.should_receive(:to_path).and_return(DirSpecs.mock_dir('nonexisting'))
+    Dir.mkdir(p)
+    DirSpecs.clear_dirs
+  end
+
+  it "calls #to_int on non-Integer permissions argument" do
+    DirSpecs.clear_dirs
+    path = DirSpecs.mock_dir('nonexisting')
+    permissions = mock('permissions')
+    permissions.should_receive(:to_int).and_return(0666)
+    Dir.mkdir(path, permissions)
+    DirSpecs.clear_dirs
+  end
+
+  it "raises TypeError if non-Integer permissions argument does not have #to_int method" do
+    path = DirSpecs.mock_dir('nonexisting')
+    permissions = Object.new
+
+    -> { Dir.mkdir(path, permissions) }.should.raise(TypeError, 'no implicit conversion of Object into Integer')
+  end
+
+  it "raises a SystemCallError if any of the directories in the path before the last does not exist" do
+    -> { Dir.mkdir "#{DirSpecs.nonexistent}/subdir" }.should.raise(SystemCallError)
+  end
+
+  it "raises Errno::EEXIST if the specified directory already exists" do
+    -> { Dir.mkdir("#{DirSpecs.mock_dir}/dir") }.should.raise(Errno::EEXIST)
+  end
+
+  it "raises Errno::EEXIST if the argument points to the existing file" do
+    -> { Dir.mkdir("#{DirSpecs.mock_dir}/file_one.ext") }.should.raise(Errno::EEXIST)
+  end
+end
+
+# The permissions flag are not supported on Windows as stated in documentation:
+# The permissions may be modified by the value of File.umask, and are ignored on NT.
+platform_is_not :windows do
+  as_user do
+    describe "Dir.mkdir" do
+      before :each do
+        @dir = tmp "noperms"
+      end
+
+      after :each do
+        File.chmod 0777, @dir
+        rm_r @dir
+      end
+
+      it "raises a SystemCallError when lacking adequate permissions in the parent dir" do
+        Dir.mkdir @dir, 0000
+
+        -> { Dir.mkdir "#{@dir}/subdir" }.should.raise(SystemCallError)
+      end
+    end
+  end
+end