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require 'spec_helper'
require 'stringio'
require 'puppet/settings/ini_file'
describe Puppet::Settings::IniFile do
it "preserves the file when no changes are made" do
original_config = <<-CONFIG
# comment
[section]
name = value
CONFIG
config_fh = a_config_file_containing(original_config)
Puppet::Settings::IniFile.update(config_fh) do; end
expect(config_fh.string).to eq original_config
end
it "adds a set name and value to an empty file" do
config_fh = a_config_file_containing("")
Puppet::Settings::IniFile.update(config_fh) do |config|
config.set("the_section", "name", "value")
end
expect(config_fh.string).to eq "[the_section]\nname = value\n"
end
it "does not add a [main] section to a file when it isn't needed" do
config_fh = a_config_file_containing(<<-CONF)
[section]
name = different value
CONF
Puppet::Settings::IniFile.update(config_fh) do |config|
config.set("main", "name", "value")
end
expect(config_fh.string).to eq(<<-CONF)
name = value
[section]
name = different value
CONF
end
it "preserves comments when writing a new name and value" do
config_fh = a_config_file_containing("# this is a comment")
Puppet::Settings::IniFile.update(config_fh) do |config|
config.set("the_section", "name", "value")
end
expect(config_fh.string).to eq "# this is a comment\n[the_section]\nname = value\n"
end
it "updates existing names and values in place" do
config_fh = a_config_file_containing(<<-CONFIG)
# this is the preceeding comment
[section]
name = original value
# this is the trailing comment
CONFIG
Puppet::Settings::IniFile.update(config_fh) do |config|
config.set("section", "name", "changed value")
end
expect(config_fh.string).to eq <<-CONFIG
# this is the preceeding comment
[section]
name = changed value
# this is the trailing comment
CONFIG
end
it "updates only the value in the selected section" do
config_fh = a_config_file_containing(<<-CONFIG)
[other_section]
name = does not change
[section]
name = original value
CONFIG
Puppet::Settings::IniFile.update(config_fh) do |config|
config.set("section", "name", "changed value")
end
expect(config_fh.string).to eq <<-CONFIG
[other_section]
name = does not change
[section]
name = changed value
CONFIG
end
it "considers settings outside a section to be in section 'main'" do
config_fh = a_config_file_containing(<<-CONFIG)
name = original value
CONFIG
Puppet::Settings::IniFile.update(config_fh) do |config|
config.set("main", "name", "changed value")
end
expect(config_fh.string).to eq <<-CONFIG
name = changed value
CONFIG
end
it "adds new settings to an existing section" do
config_fh = a_config_file_containing(<<-CONFIG)
[section]
original = value
# comment about 'other' section
[other]
dont = change
CONFIG
Puppet::Settings::IniFile.update(config_fh) do |config|
config.set("section", "updated", "new")
end
expect(config_fh.string).to eq <<-CONFIG
[section]
original = value
updated = new
# comment about 'other' section
[other]
dont = change
CONFIG
end
it "adds a new setting into an existing, yet empty section" do
config_fh = a_config_file_containing(<<-CONFIG)
[section]
[other]
dont = change
CONFIG
Puppet::Settings::IniFile.update(config_fh) do |config|
config.set("section", "updated", "new")
end
expect(config_fh.string).to eq <<-CONFIG
[section]
updated = new
[other]
dont = change
CONFIG
end
it "finds settings when the section is split up" do
config_fh = a_config_file_containing(<<-CONFIG)
[section]
name = original value
[different]
name = other value
[section]
other_name = different original value
CONFIG
Puppet::Settings::IniFile.update(config_fh) do |config|
config.set("section", "name", "changed value")
config.set("section", "other_name", "other changed value")
end
expect(config_fh.string).to eq <<-CONFIG
[section]
name = changed value
[different]
name = other value
[section]
other_name = other changed value
CONFIG
end
def a_config_file_containing(text)
StringIO.new(text)
end
end
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