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require 'spec_helper'
require 'puppet/pops'
describe Puppet::Pops::Parser::Parser do
it "should instantiate a parser" do
parser = Puppet::Pops::Parser::Parser.new()
expect(parser.class).to eq(Puppet::Pops::Parser::Parser)
end
it "should parse a code string and return a model" do
parser = Puppet::Pops::Parser::Parser.new()
model = parser.parse_string("$a = 10").model
expect(model.class).to eq(Puppet::Pops::Model::Program)
expect(model.body.class).to eq(Puppet::Pops::Model::AssignmentExpression)
end
it "should accept empty input and return a model" do
parser = Puppet::Pops::Parser::Parser.new()
model = parser.parse_string("").model
expect(model.class).to eq(Puppet::Pops::Model::Program)
expect(model.body.class).to eq(Puppet::Pops::Model::Nop)
end
it "should accept empty input containing only comments and report location at end of input" do
parser = Puppet::Pops::Parser::Parser.new()
model = parser.parse_string("# comment\n").model
expect(model.class).to eq(Puppet::Pops::Model::Program)
expect(model.body.class).to eq(Puppet::Pops::Model::Nop)
expect(model.body.offset).to eq(10)
expect(model.body.length).to eq(0)
end
it "should give single resource expressions the correct offset inside an if/else statement" do
parser = Puppet::Pops::Parser::Parser.new()
model = parser.parse_string(<<-EOF).model
class firewall {
if(true) {
service { 'if service':
ensure => stopped
}
} else {
service { 'else service':
ensure => running
}
}
}
EOF
then_service = model.body.body.statements[0].then_expr
expect(then_service.class).to eq(Puppet::Pops::Model::ResourceExpression)
expect(then_service.offset).to eq(34)
else_service = model.body.body.statements[0].else_expr
expect(else_service.class).to eq(Puppet::Pops::Model::ResourceExpression)
expect(else_service.offset).to eq(106)
end
it "should give block expressions and their contained resources the correct offset inside an if/else statement" do
parser = Puppet::Pops::Parser::Parser.new()
model = parser.parse_string(<<-EOF).model
class firewall {
if(true) {
service { 'if service 1':
ensure => running
}
service { 'if service 2':
ensure => stopped
}
} else {
service { 'else service 1':
ensure => running
}
service { 'else service 2':
ensure => stopped
}
}
}
EOF
if_expr = model.body.body.statements[0]
block_expr = model.body.body.statements[0].then_expr
expect(if_expr.class).to eq(Puppet::Pops::Model::IfExpression)
expect(if_expr.offset).to eq(19)
expect(block_expr.class).to eq(Puppet::Pops::Model::BlockExpression)
expect(block_expr.offset).to eq(28)
expect(block_expr.statements[0].class).to eq(Puppet::Pops::Model::ResourceExpression)
expect(block_expr.statements[0].offset).to eq(34)
expect(block_expr.statements[1].class).to eq(Puppet::Pops::Model::ResourceExpression)
expect(block_expr.statements[1].offset).to eq(98)
block_expr = model.body.body.statements[0].else_expr
expect(block_expr.class).to eq(Puppet::Pops::Model::BlockExpression)
expect(block_expr.offset).to eq(166)
expect(block_expr.statements[0].class).to eq(Puppet::Pops::Model::ResourceExpression)
expect(block_expr.statements[0].offset).to eq(172)
expect(block_expr.statements[1].class).to eq(Puppet::Pops::Model::ResourceExpression)
expect(block_expr.statements[1].offset).to eq(238)
end
it "should give single resource expressions the correct offset inside an unless/else statement" do
parser = Puppet::Pops::Parser::Parser.new()
model = parser.parse_string(<<-EOF).model
class firewall {
unless(true) {
service { 'if service':
ensure => stopped
}
} else {
service { 'else service':
ensure => running
}
}
}
EOF
then_service = model.body.body.statements[0].then_expr
expect(then_service.class).to eq(Puppet::Pops::Model::ResourceExpression)
expect(then_service.offset).to eq(38)
else_service = model.body.body.statements[0].else_expr
expect(else_service.class).to eq(Puppet::Pops::Model::ResourceExpression)
expect(else_service.offset).to eq(110)
end
it "should give block expressions and their contained resources the correct offset inside an unless/else statement" do
parser = Puppet::Pops::Parser::Parser.new()
model = parser.parse_string(<<-EOF).model
class firewall {
unless(true) {
service { 'if service 1':
ensure => running
}
service { 'if service 2':
ensure => stopped
}
} else {
service { 'else service 1':
ensure => running
}
service { 'else service 2':
ensure => stopped
}
}
}
EOF
if_expr = model.body.body.statements[0]
block_expr = model.body.body.statements[0].then_expr
expect(if_expr.class).to eq(Puppet::Pops::Model::UnlessExpression)
expect(if_expr.offset).to eq(19)
expect(block_expr.class).to eq(Puppet::Pops::Model::BlockExpression)
expect(block_expr.offset).to eq(32)
expect(block_expr.statements[0].class).to eq(Puppet::Pops::Model::ResourceExpression)
expect(block_expr.statements[0].offset).to eq(38)
expect(block_expr.statements[1].class).to eq(Puppet::Pops::Model::ResourceExpression)
expect(block_expr.statements[1].offset).to eq(102)
block_expr = model.body.body.statements[0].else_expr
expect(block_expr.class).to eq(Puppet::Pops::Model::BlockExpression)
expect(block_expr.offset).to eq(170)
expect(block_expr.statements[0].class).to eq(Puppet::Pops::Model::ResourceExpression)
expect(block_expr.statements[0].offset).to eq(176)
expect(block_expr.statements[1].class).to eq(Puppet::Pops::Model::ResourceExpression)
expect(block_expr.statements[1].offset).to eq(242)
end
it "multi byte characters in a comment are counted as individual bytes" do
parser = Puppet::Pops::Parser::Parser.new()
model = parser.parse_string("# \u{0400}comment\n").model
expect(model.class).to eq(Puppet::Pops::Model::Program)
expect(model.body.class).to eq(Puppet::Pops::Model::Nop)
expect(model.body.offset).to eq(12)
expect(model.body.length).to eq(0)
end
it "should raise an error with position information when error is raised from within parser" do
parser = Puppet::Pops::Parser::Parser.new()
the_error = nil
begin
parser.parse_string("File [1] { }", 'fakefile.pp')
rescue Puppet::ParseError => e
the_error = e
end
expect(the_error).to be_a(Puppet::ParseError)
expect(the_error.file).to eq('fakefile.pp')
expect(the_error.line).to eq(1)
expect(the_error.pos).to eq(6)
end
it "should raise an error with position information when error is raised on token" do
parser = Puppet::Pops::Parser::Parser.new()
the_error = nil
begin
parser.parse_string(<<-EOF, 'fakefile.pp')
class whoops($a,$b,$c) {
$d = "oh noes", "b"
}
EOF
rescue Puppet::ParseError => e
the_error = e
end
expect(the_error).to be_a(Puppet::ParseError)
expect(the_error.file).to eq('fakefile.pp')
expect(the_error.line).to eq(2)
expect(the_error.pos).to eq(17)
end
end
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