Class: WTT::Core::Selector

Inherits:
Object
  • Object
show all
Defined in:
lib/wtt/core/selector.rb

Overview

Select tests using Git information and a Mapper.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts) ⇒ Selector 



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# File 'lib/wtt/core/selector.rb', line 15

def initialize(opts)
  @repo = opts[:repo]
  @metadata = opts[:meta_data]
  @walker = opts[:walker]
  @test_files = opts[:test_files]
  @mapping = opts[:mapping]
  @target_revision = @repo.lookup(opts[:target_sha]) if opts[:target_sha]
end

Instance Attribute Details

#mapping=(value) ⇒ Object

Sets the attribute mapping



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# File 'lib/wtt/core/selector.rb', line 12

def mapping=(value)
  @mapping = value
end

#tests ⇒ Object (readonly)

Returns the value of attribute tests.



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# File 'lib/wtt/core/selector.rb', line 11

def tests
  @tests
end

#walker=(value) ⇒ Object

Sets the attribute walker



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# File 'lib/wtt/core/selector.rb', line 12

def walker=(value)
  @walker = value
end

Instance Method Details

#select_tests! ⇒ Set

Select tests using differences in anchored commit and target commit (or current working tree) and TestToCodeMapping.



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# File 'lib/wtt/core/selector.rb', line 28

def select_tests!
  # Base should be the commit `anchor` has run on.
  # NOT the one test-to-code mapping was committed to.
  @base_obj = anchored_commit

  # select all tests if anchored commit does not exist
  return Set.new(@test_files) unless @base_obj

  change_count = 0
  @tests = Set.new

  diff.each_patch do |patch|
    change_count += 1
    file = patch.delta.old_file[:path]
    if test_file?(file)
      @tests << file
    else
      select_tests_from_patch(patch)
    end
  end
  @tests.delete(nil)
  puts "WTT found #{@tests.count} tests for #{change_count} changes."

  unmapped = 0
  mapping.unmapped_tests.each do |test|
    unmapped += 1
    @tests << test
  end
  @tests.delete(nil)
  puts "WTT found #{unmapped} tests with no mapping that will be executed."

  @tests
end