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# encoding: utf-8
require 'test/unit'
require 'version_sorter'
require 'rubygems/version'
class VersionSorterTest < Test::Unit::TestCase
def setup
version_struct = Struct.new(:name)
@version1 = version_struct.new("1.0")
@version2 = version_struct.new("2.0")
@version10 = version_struct.new("10.0")
end
def test_sorts_versions_correctly
versions = %w(1.0.9 1.0.10 2.0 3.1.4.2 1.0.9a)
sorted_versions = %w( 1.0.9a 1.0.9 1.0.10 2.0 3.1.4.2 )
assert_equal sorted_versions, VersionSorter.sort(versions)
end
def test_sorts_versions_like_rubygems
versions = %w(1.0.9.b 1.0.9 1.0.10 2.0 3.1.4.2 1.0.9a 2.0rc2 2.0-rc1)
sorted_versions = versions.sort_by { |v| Gem::Version.new(v) }
assert_equal sorted_versions, VersionSorter.sort(versions)
end
def test_returns_same_object
versions = %w( 2.0 1.0 0.5 )
sorted = VersionSorter.sort(versions)
assert_equal versions[2].object_id, sorted[0].object_id
end
def test_reverse_sorts_versions_correctly
versions = %w(1.0.9 1.0.10 2.0 3.1.4.2 1.0.9a)
sorted_versions = %w( 3.1.4.2 2.0 1.0.10 1.0.9 1.0.9a )
assert_equal sorted_versions, VersionSorter.rsort(versions)
end
def test_does_not_raise_on_number_overflow
big_numbers = [
(2**32).to_s,
(2**32 + 1).to_s,
(2**32 + 2).to_s,
(2**32 - 2).to_s,
(2**32 - 1).to_s,
]
randomized = shuffle big_numbers
assert_equal big_numbers, VersionSorter.sort(randomized)
end
def test_handles_non_version_data
non_versions = [
"", " ", ".", "-", "ćevapčići", "The Quick Brown Fox", '!@#$%^&*()',
"<--------->", "a12a8a4a22122d01541b62193e9bdad7f5eda552", "1." * 65
]
sorted = [
"<--------->", "-", "The Quick Brown Fox",
"a12a8a4a22122d01541b62193e9bdad7f5eda552", "ćevapčići",
"", " ", ".", '!@#$%^&*()', "1." * 65
]
assert_equal sorted, VersionSorter.sort(non_versions)
end
def test_sort_bang
versions = ["10.0", "1.0", "2.0"]
VersionSorter.sort! versions
assert_equal ["1.0", "2.0", "10.0"], versions
end
def test_rsort_bang
versions = ["10.0", "1.0", "2.0"]
VersionSorter.rsort! versions
assert_equal ["10.0", "2.0", "1.0"], versions
end
def test_sort_block
versions = [@version10, @version1, @version2]
sorted = VersionSorter.sort(versions) { |version| version.name }
assert_equal [@version1, @version2, @version10], sorted
end
def test_rsort_block
versions = [@version10, @version1, @version2]
sorted = VersionSorter.rsort(versions) { |version| version.name }
assert_equal [@version10, @version2, @version1], sorted
end
def shuffle(array)
array, result = array.dup, []
result << array.delete_at(rand(array.size)) until array.size.zero?
result
end
end
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