Few more tests.

lib/puppet/parser/functions/date.rb

@@ -8,7 +8,7 @@ module Puppet::Parser::Functions
   ) do |arguments|
 
     if (arguments.size != 1) then
-      raise(Puppet::ParseError, "is_valid_netmask(): Wrong number of arguments "+
+      raise(Puppet::ParseError, "date(): Wrong number of arguments "+
         "given #{arguments.size} for 1")
     end
 

spec/unit/parser/functions/bool2num_spec.rb

@@ -18,4 +18,14 @@ describe "the bool2num function" do
     lambda { @scope.function_bool2num([]) }.should( raise_error(Puppet::ParseError))
   end
 
+  it "should convert true to 1" do
+    result = @scope.function_bool2num([true])
+    result.should(eq(1))
+  end
+
+  it "should convert false to 0" do
+    result = @scope.function_bool2num([false])
+    result.should(eq(0))
+  end
+
 end

spec/unit/parser/functions/capitalize_spec.rb

@@ -18,4 +18,9 @@ describe "the capitalize function" do
     lambda { @scope.function_capitalize([]) }.should( raise_error(Puppet::ParseError))
   end
 
+  it "should capitalize the beginning of a string" do
+    result = @scope.function_capitalize(["abc"])
+    result.should(eq("Abc"))
+  end
+
 end

spec/unit/parser/functions/chomp_spec.rb

@@ -18,4 +18,9 @@ describe "the chomp function" do
     lambda { @scope.function_chomp([]) }.should( raise_error(Puppet::ParseError))
   end
 
+  it "should chomp the end of a string" do
+    result = @scope.function_chomp(["abc\n"])
+    result.should(eq("abc"))
+  end
+
 end

spec/unit/parser/functions/chop_spec.rb

@@ -18,4 +18,9 @@ describe "the chop function" do
     lambda { @scope.function_chop([]) }.should( raise_error(Puppet::ParseError))
   end
 
+  it "should chop the end of a string" do
+    result = @scope.function_chop(["asdf\n"])
+    result.should(eq("asdf"))
+  end
+
 end

spec/unit/parser/functions/count_spec.rb

@@ -18,4 +18,9 @@ describe "the count function" do
     lambda { @scope.function_count([]) }.should( raise_error(Puppet::ParseError))
   end
 
+  it "should return the size of an array" do
+    result = @scope.function_count([['a','c','b']])
+    result.should(eq(3))
+  end
+
 end