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authorDan Bode <dan@puppetlabs.com>2011-07-29 15:10:13 -0700
committerDan Bode <dan@puppetlabs.com>2011-07-29 15:11:10 -0700
commitb1beaec2da36aa2312f959b1521137f5df96608f (patch)
treecc4301ed7c790dca7e94393f83304647386b723a /spec/unit/puppet
parent9560b6336cc983b65aaff909f4fb2e983dfd7012 (diff)
downloadpuppet-stdlib-b1beaec2da36aa2312f959b1521137f5df96608f.tar.gz
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(#8708) Add has_key function
It is difficult to use existance of keys in a hash as a boolean condition in Puppet (see #8705) This function provides a working solution until the underlying issue in Puppet can be resolved. Reviewed-by: Jeff McCune
Diffstat (limited to 'spec/unit/puppet')
-rw-r--r--spec/unit/puppet/parser/functions/has_key_spec.rb46
1 files changed, 46 insertions, 0 deletions
diff --git a/spec/unit/puppet/parser/functions/has_key_spec.rb b/spec/unit/puppet/parser/functions/has_key_spec.rb
new file mode 100644
index 0000000..d1dcd15
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/has_key_spec.rb
@@ -0,0 +1,46 @@
+require 'puppet'
+require 'mocha'
+describe Puppet::Parser::Functions.function(:has_key) do
+
+ # Pulled from Dan's create_resources function
+ # TODO - this should be moved to spec_helper since the
+ # logic is likely to be applied to multiple rspec files.
+ let(:compiler) {
+ topscope = Puppet::Parser::Scope.new
+ # This is necessary so we don't try to use the compiler to discover our parent.
+ topscope.parent = nil
+ my_scope = Puppet::Parser::Scope.new
+ my_scope.compiler = Puppet::Parser::Compiler.new(Puppet::Node.new("floppy", :environment => 'production'))
+ my_scope.parent = topscope
+ compiler = my_scope.compiler
+ }
+ let(:scope) {
+ scope = Puppet::Parser::Scope.new
+ scope.stubs(:environment).returns(Puppet::Node::Environment.new('production'))
+ scope
+ }
+
+ describe 'when calling has_key from puppet' do
+ it "should not compile when no arguments are passed" do
+ Puppet[:code] = 'has_key()'
+ expect { compiler.compile }.should raise_error(Puppet::ParseError, /wrong number of arguments/)
+ end
+ it "should not compile when 1 argument is passed" do
+ Puppet[:code] = "has_key('foo')"
+ expect { compiler.compile }.should raise_error(Puppet::ParseError, /wrong number of arguments/)
+ end
+ it "should require the first value to be a Hash" do
+ Puppet[:code] = "has_key('foo', 'bar')"
+ expect { compiler.compile }.should raise_error(Puppet::ParseError, /expects the first argument to be a hash/)
+ end
+ end
+ describe 'when calling the function has_key from a scope instance' do
+ it 'should detect existing keys' do
+ scope.function_has_key([{'one' => 1}, 'one']).should be_true
+ end
+ it 'should detect existing keys' do
+ scope.function_has_key([{'one' => 1}, 'two']).should be_false
+ end
+ end
+
+end