Added basename() based on Ruby's File.basename

Based on dirname code.  Includes RSpec tests and docs.

1 files changed, 46 insertions, 0 deletions

diff --git a/spec/unit/puppet/parser/functions/basename_spec.rb b/spec/unit/puppet/parser/functions/basename_spec.rb
new file mode 100755
index 0000000..8a2d0dc
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/basename_spec.rb
@@ -0,0 +1,46 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the basename function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  it "should exist" do
+    Puppet::Parser::Functions.function("basename").should == "function_basename"
+  end
+
+  it "should raise a ParseError if there is less than 1 argument" do
+    lambda { scope.function_basename([]) }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should raise a ParseError if there are more than 2 arguments" do
+    lambda { scope.function_basename(['a', 'b', 'c']) }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should return basename for an absolute path" do
+    result = scope.function_basename(['/path/to/a/file.ext'])
+    result.should(eq('file.ext'))
+  end
+
+  it "should return basename for a relative path" do
+    result = scope.function_basename(['path/to/a/file.ext'])
+    result.should(eq('file.ext'))
+  end
+
+  it "should strip extention when extension specified (absolute path)" do
+    result = scope.function_basename(['/path/to/a/file.ext', '.ext'])
+    result.should(eq('file'))
+  end
+
+  it "should strip extention when extension specified (relative path)" do
+    result = scope.function_basename(['path/to/a/file.ext', '.ext'])
+    result.should(eq('file'))
+  end
+
+  it "should complain about non-string first argument" do
+    lambda { scope.function_basename([[]]) }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should complain about non-string second argument" do
+    lambda { scope.function_basename(['/path/to/a/file.ext', []]) }.should( raise_error(Puppet::ParseError))
+  end
+end