ruby.rb

require 'rexml/document'

def write_version(path, version)
  pom_dir = File.dirname(path)
  pom_xml = REXML::Document.new(File.read(path))

  REXML::XPath.first(pom_xml, '/project/version').text = version.dup

  write_file(path, pom_xml)

  modules = REXML::XPath.each(pom_xml, '/project/modules/module').map(&:text)

  modules.each do |m|
    pom_path = File.join(pom_dir, m, 'pom.xml')

    write_child_version(pom_path, version, modules)
  end
end

def write_child_version(path, version, modules)
  pom_xml = REXML::Document.new(File.read(path))

  REXML::XPath.first(pom_xml, '/project/parent/version').text = version.dup

  REXML::XPath.each(pom_xml, '/project/dependencies/dependency').select {|el| modules.include?(el.elements['artifactId'].text)}.each do |el|
    element = el.elements['version']

    next if element.nil?

    element.text = version.dup
  end

  write_file(path, pom_xml)
end

def write_file(path, contents)
  puts contents
  File.open(path, 'w+') { |f| f.write(contents) }
  system("git add #{path}")
end

def git_commit(branch)
  system("git commit -m \"[job-creator] prepare for next development iteration\"")
  system("git push origin #{branch}")
end

def git_tag(tag_name, branch)
  system("git commit -m \"[job-creator] prepare release #{tag_name}\"")
  system("git tag #{tag_name}")
  system("git push origin --tags #{branch}:#{branch}")
end


--------------------------------




describe "bump version" do

  context "pom.xml is valid" do
   pom_xml_pre = """
<?xml version='1.0' encoding='UTF-8'?>
<project xsi:schemaLocation='http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd' xmlns='http://maven.apache.org/POM/4.0.0' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'>

<modelVersion>4.0.0</modelVersion>
<artifactId>core-service-parent</artifactId>
<version>1.3.2-SNAPSHOT</version>
<packaging>pom</packaging>

<name>${project.artifactId}</name>
<description>Core Service Parent POM</description>
 <profiles>
    <profile>
        <id>default</id>
        <activation>
            <activeByDefault>true</activeByDefault>
        </activation>
        <modules>
            <module>core-service-test</module>
        </modules>
    </profile>
</profiles>
</project>
"""

  pom_xml_post = """
<?xml version='1.0' encoding='UTF-8'?>

<project xsi:schemaLocation='http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd' xmlns='http://maven.apache.org/POM/4.0.0' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'>

<modelVersion>4.0.0</modelVersion>
<artifactId>core-service-parent</artifactId>
<version>1.4.0</version>
<packaging>pom</packaging>

<name>${project.artifactId}</name>
<description>Core Service Parent POM</description>
 <profiles>
    <profile>
        <id>default</id>
        <activation>
            <activeByDefault>true</activeByDefault>
        </activation>
        <modules>
            <module>core-service-test</module>
        </modules>
    </profile>
</profiles>
</project>
"""
    it "successfully writes new version" do
      file = double('file')
      content = double('content') { pom_xml_post }
      File.should_receive(:read).once.with('pom.xml').and_return(pom_xml_pre)
      File.should_receive(:open).once.with('pom.xml', 'w+').and_yield(file)
      file.should_receive(:write).once.with('blah')

      write_version('pom.xml', '1.4.0')
    end

    context "modules are defined in profile" do
      it "successfully writes new version to modules" do
        pending('not yet implemented')
      end
    end

    context "modules are defined in modules" do
      it "successfully writes new version to modules" do
        pending('not yet implemented')
      end
    end
  end
end


#-------------------------
results

1) bump version pom.xml is valid successfully writes new version
     Failure/Error: write_version('pom.xml', '1.4.0')
       Double "file" received :write with unexpected arguments
         expected: ("blah")
              got: (<UNDEFINED> ... </>)
     # templates/scripts/maven_functions.rb.erb:38:in `block in write_file'
     # templates/scripts/maven_functions.rb.erb:38:in `write_file'
     # templates/scripts/maven_functions.rb.erb:9:in `write_version'
     # ./spec/job_creator/maven_functions_spec.rb:64:in `block (3 levels) in <top (required)>'