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require 'spec_helper'
require 'puppet/pops'
require File.join(File.dirname(__FILE__), '/../factory_rspec_helper')
module EppParserRspecHelper
include FactoryRspecHelper
def parse(code)
parser = Puppet::Pops::Parser::EppParser.new()
parser.parse_string(code)
end
end
describe "epp parser" do
include EppParserRspecHelper
it "should instantiate an epp parser" do
parser = Puppet::Pops::Parser::EppParser.new()
parser.class.should == Puppet::Pops::Parser::EppParser
end
it "should parse a code string and return a program with epp" do
parser = Puppet::Pops::Parser::EppParser.new()
model = parser.parse_string("Nothing to see here, move along...").current
model.class.should == Puppet::Pops::Model::Program
model.body.class.should == Puppet::Pops::Model::LambdaExpression
model.body.body.class.should == Puppet::Pops::Model::EppExpression
end
context "when facing bad input it reports" do
it "unbalanced tags" do
expect { dump(parse("<% missing end tag")) }.to raise_error(/Unbalanced/)
end
it "abrupt end" do
expect { dump(parse("dum di dum di dum <%")) }.to raise_error(/Unbalanced/)
end
it "nested epp tags" do
expect { dump(parse("<% $a = 10 <% $b = 20 %>%>")) }.to raise_error(/Syntax error/)
end
it "nested epp expression tags" do
expect { dump(parse("<%= 1+1 <%= 2+2 %>%>")) }.to raise_error(/Syntax error/)
end
it "rendering sequence of expressions" do
expect { dump(parse("<%= 1 2 3 %>")) }.to raise_error(/Syntax error/)
end
end
context "handles parsing of" do
it "text (and nothing else)" do
dump(parse("Hello World")).should == [
"(lambda (epp (block",
" (render-s 'Hello World')",
")))"].join("\n")
end
it "template parameters" do
dump(parse("<%|$x|%>Hello World")).should == [
"(lambda (parameters x) (epp (block",
" (render-s 'Hello World')",
")))"].join("\n")
end
it "template parameters with default" do
dump(parse("<%|$x='cigar'|%>Hello World")).should == [
"(lambda (parameters (= x 'cigar')) (epp (block",
" (render-s 'Hello World')",
")))"].join("\n")
end
it "template parameters with and without default" do
dump(parse("<%|$x='cigar', $y|%>Hello World")).should == [
"(lambda (parameters (= x 'cigar') y) (epp (block",
" (render-s 'Hello World')",
")))"].join("\n")
end
it "template parameters + additional setup" do
dump(parse("<%|$x| $y = 10 %>Hello World")).should == [
"(lambda (parameters x) (epp (block",
" (= $y 10)",
" (render-s 'Hello World')",
")))"].join("\n")
end
it "comments" do
dump(parse("<%#($x='cigar', $y)%>Hello World")).should == [
"(lambda (epp (block",
" (render-s 'Hello World')",
")))"
].join("\n")
end
it "verbatim epp tags" do
dump(parse("<%% contemplating %%>Hello World")).should == [
"(lambda (epp (block",
" (render-s '<% contemplating %>Hello World')",
")))"
].join("\n")
end
it "expressions" do
dump(parse("We all live in <%= 3.14 - 2.14 %> world")).should == [
"(lambda (epp (block",
" (render-s 'We all live in ')",
" (render (- 3.14 2.14))",
" (render-s ' world')",
")))"
].join("\n")
end
end
end
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