Fixed #1831 - Added sprintf function

1 files changed, 42 insertions, 0 deletions

diff --git a/spec/unit/parser/functions/sprintf.rb b/spec/unit/parser/functions/sprintf.rb
new file mode 100644
index 000000000..8654b18fc
--- /dev/null
+++ b/spec/unit/parser/functions/sprintf.rb
@@ -0,0 +1,42 @@
+#! /usr/bin/env ruby
+
+require File.dirname(__FILE__) + '/../../../spec_helper'
+
+describe "the sprintf function" do
+
+    before :each do
+        @scope = Puppet::Parser::Scope.new()
+    end
+
+    it "should exist" do
+        Puppet::Parser::Functions.function("sprintf").should == "function_sprintf"
+    end
+
+    it "should raise a ParseError if there is less than 1 argument" do
+        lambda { @scope.function_sprintf([]) }.should(
+		raise_error(Puppet::ParseError))
+    end
+
+    it "should format integers" do
+	result = @scope.function_sprintf(["%+05d", "23"])
+	result.should(eql("+0023"))
+    end
+
+    it "should format floats" do
+	result = @scope.function_sprintf(["%+.2f", "2.7182818284590451"])
+	result.should(eql("+2.72"))
+    end
+
+    it "should format large floats" do
+	result = @scope.function_sprintf(["%+.2e", "27182818284590451"])
+	result.should(eql("+2.72e+16"))
+    end
+
+    it "should perform more complex formatting" do
+	result = @scope.function_sprintf(
+		[ "<%.8s:%#5o %#8X (%-8s)>",
+		  "overlongstring", "23", "48879", "foo" ])
+	result.should(eql("<overlong:  027   0XBEEF (foo     )>"))
+    end
+
+end