(#8010) Add validate_hash spec tests

These tests run through a number of example cases and exercise the
behavior of the validate_hash function.

To run, simple execute rspec validate_hash_spec.rb

1 files changed, 63 insertions, 0 deletions

diff --git a/spec/unit/puppet/parser/functions/validate_hash_spec.rb b/spec/unit/puppet/parser/functions/validate_hash_spec.rb
new file mode 100644
index 0000000..8cc0b3d
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/validate_hash_spec.rb
@@ -0,0 +1,63 @@
+require 'puppet'
+
+# We don't need this for the basic tests we're doing
+# require 'spec_helper'
+
+# Dan mentioned that Nick recommended the function method call
+# to return the string value for the test description.
+# this will not even try the test if the function cannot be
+# loaded.
+describe Puppet::Parser::Functions.function(:validate_hash) do
+
+  # Pulled from Dan's create_resources function
+  def get_scope
+    @topscope = Puppet::Parser::Scope.new
+    # This is necessary so we don't try to use the compiler to discover our parent.
+    @topscope.parent = nil
+    @scope = Puppet::Parser::Scope.new
+    @scope.compiler = Puppet::Parser::Compiler.new(Puppet::Node.new("floppy", :environment => 'production'))
+    @scope.parent = @topscope
+    @compiler = @scope.compiler
+  end
+
+  describe 'when calling validate_hash from puppet' do
+
+    %w{ true false }.each do |the_string|
+
+      it "should not compile when #{the_string} is a string" do
+        Puppet[:code] = "validate_hash('#{the_string}')"
+        get_scope
+        expect { @scope.compiler.compile }.should raise_error(Puppet::ParseError, /is not a Hash/)
+      end
+
+      it "should not compile when #{the_string} is a bare word" do
+        Puppet[:code] = "validate_hash(#{the_string})"
+        get_scope
+        expect { @scope.compiler.compile }.should raise_error(Puppet::ParseError, /is not a Hash/)
+      end
+
+    end
+
+    it "should compile when multiple hash arguments are passed" do
+      Puppet[:code] = <<-'ENDofPUPPETcode'
+        $foo = {}
+        $bar = { 'one' => 'two' }
+        validate_hash($foo, $bar)
+      ENDofPUPPETcode
+      get_scope
+      @scope.compiler.compile
+    end
+
+    it "should not compile when an undef variable is passed" do
+      Puppet[:code] = <<-'ENDofPUPPETcode'
+        $foo = undef
+        validate_hash($foo)
+      ENDofPUPPETcode
+      get_scope
+      expect { @scope.compiler.compile }.should raise_error(Puppet::ParseError, /is not a Hash/)
+    end
+
+  end
+
+end
+