1 files changed, 88 insertions, 0 deletions
diff --git a/spec/unit/parser/functions/regsubst.rb b/spec/unit/parser/functions/regsubst.rb
new file mode 100644
index 000000000..18f49f7d4
--- /dev/null
+++ b/spec/unit/parser/functions/regsubst.rb
@@ -0,0 +1,88 @@
+#! /usr/bin/env ruby
+
+require File.dirname(__FILE__) + '/../../../spec_helper'
+
+describe "the regsubst function" do
+
+    before :each do
+        @scope = Puppet::Parser::Scope.new()
+    end
+
+    it "should exist" do
+        Puppet::Parser::Functions.function("regsubst").should == "function_regsubst"
+    end
+
+    it "should raise a ParseError if there is less than 3 arguments" do
+        lambda { @scope.function_regsubst(["foo", "bar"]) }.should(
+		raise_error(Puppet::ParseError))
+    end
+
+    it "should raise a ParseError if there is more than 5 arguments" do
+        lambda { @scope.function_regsubst(["foo", "bar", "gazonk", "del", "x", "y"]) }.should(
+		raise_error(Puppet::ParseError))
+    end
+
+
+    it "should raise a ParseError when given a bad flag" do
+        lambda { @scope.function_regsubst(["foo", "bar", "gazonk", "X"]) }.should(
+		raise_error(Puppet::ParseError))
+    end
+
+    it "should handle groups" do
+	result = @scope.function_regsubst(
+		[ '130.236.254.10',
+		  '^([0-9]+)[.]([0-9]+)[.]([0-9]+)[.]([0-9]+)$',
+		  '\4-\3-\2-\1'
+		])
+	result.should(eql("10-254-236-130"))
+    end
+
+    it "should handle simple regexps" do
+	result = @scope.function_regsubst(
+		[ "the monkey breaks banana trees",
+		  "b[an]*a",
+		  "coconut"
+		])
+	result.should(eql("the monkey breaks coconut trees"))
+    end
+
+    it "should handle case-sensitive regexps" do
+	result = @scope.function_regsubst(
+		[ "the monkey breaks baNAna trees",
+		  "b[an]+a",
+		  "coconut"
+		])
+	result.should(eql("the monkey breaks baNAna trees"))
+    end
+
+    it "should handle case-insensitive regexps" do
+	result = @scope.function_regsubst(
+		[ "the monkey breaks baNAna trees",
+		  "b[an]+a",
+		  "coconut",
+		  "I"
+		])
+	result.should(eql("the monkey breaks coconut trees"))
+    end
+
+    it "should handle global substitutions" do
+	result = @scope.function_regsubst(
+		[ "the monkey breaks\tbanana trees",
+		  "[ \t]",
+		  "--",
+		  "G"
+		])
+	result.should(eql("the--monkey--breaks--banana--trees"))
+    end
+
+    it "should handle global substitutions with groups" do
+	result = @scope.function_regsubst(
+		[ '130.236.254.10',
+		  '([0-9]+)',
+		  '<\1>',
+		  'G'
+		])
+	result.should(eql('<130>.<236>.<254>.<10>'))
+    end
+
+end