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require 'spec_helper'
require 'semantic_puppet/version'
describe SemanticPuppet::VersionRange do
describe '.parse' do
def self.test_range(range_list, str, includes, excludes)
Array(range_list).each do |expr|
example "#{expr.inspect} stringifies as #{str}" do
range = SemanticPuppet::VersionRange.parse(expr)
expect(range.to_s).to eql str
end
includes.each do |vstring|
example "#{expr.inspect} includes #{vstring}" do
range = SemanticPuppet::VersionRange.parse(expr)
expect(range).to cover(SemanticPuppet::Version.parse(vstring))
end
example "parse(#{expr.inspect}).to_s includes #{vstring}" do
range = SemanticPuppet::VersionRange.parse(expr)
range = SemanticPuppet::VersionRange.parse(range.to_s)
expect(range).to cover(SemanticPuppet::Version.parse(vstring))
end
end
excludes.each do |vstring|
example "#{expr.inspect} excludes #{vstring}" do
range = SemanticPuppet::VersionRange.parse(expr)
expect(range).to_not cover(SemanticPuppet::Version.parse(vstring))
end
example "parse(#{expr.inspect}).to_s excludes #{vstring}" do
range = SemanticPuppet::VersionRange.parse(expr)
range = SemanticPuppet::VersionRange.parse(range.to_s)
expect(range).to_not cover(SemanticPuppet::Version.parse(vstring))
end
end
end
end
context 'loose version expressions' do
expressions = {
[ '1.2.3-alpha' ] => {
:to_str => '1.2.3-alpha',
:includes => [ '1.2.3-alpha' ],
:excludes => [ '1.2.3-999', '1.2.3-beta' ],
},
[ '1.2.3' ] => {
:to_str => '1.2.3',
:includes => [ '1.2.3-alpha', '1.2.3' ],
:excludes => [ '1.2.2', '1.2.4-alpha' ],
},
[ '1.2', '1.2.x', '1.2.X' ] => {
:to_str => '1.2.x',
:includes => [ '1.2.0-alpha', '1.2.0', '1.2.999' ],
:excludes => [ '1.1.999', '1.3.0-0' ],
},
[ '1', '1.x', '1.X' ] => {
:to_str => '1.x',
:includes => [ '1.0.0-alpha', '1.999.0' ],
:excludes => [ '0.999.999', '2.0.0-0' ],
},
}
expressions.each do |range, vs|
test_range(range, vs[:to_str], vs[:includes], vs[:excludes])
end
end
context 'open-ended expressions' do
expressions = {
[ '>1.2.3', '> 1.2.3' ] => {
:to_str => '>=1.2.4',
:includes => [ '1.2.4-0', '999.0.0' ],
:excludes => [ '1.2.3' ],
},
[ '>1.2.3-alpha', '> 1.2.3-alpha' ] => {
:to_str => '>1.2.3-alpha',
:includes => [ '1.2.3-alpha.0', '1.2.3-alpha0', '999.0.0' ],
:excludes => [ '1.2.3-alpha' ],
},
[ '>=1.2.3', '>= 1.2.3' ] => {
:to_str => '>=1.2.3',
:includes => [ '1.2.3-0', '999.0.0' ],
:excludes => [ '1.2.2' ],
},
[ '>=1.2.3-alpha', '>= 1.2.3-alpha' ] => {
:to_str => '>=1.2.3-alpha',
:includes => [ '1.2.3-alpha', '1.2.3-alpha0', '999.0.0' ],
:excludes => [ '1.2.3-alph' ],
},
[ '<1.2.3', '< 1.2.3' ] => {
:to_str => '<1.2.3',
:includes => [ '0.0.0-0', '1.2.2' ],
:excludes => [ '1.2.3-0', '2.0.0' ],
},
[ '<1.2.3-alpha', '< 1.2.3-alpha' ] => {
:to_str => '<1.2.3-alpha',
:includes => [ '0.0.0-0', '1.2.3-alph' ],
:excludes => [ '1.2.3-alpha', '2.0.0' ],
},
[ '<=1.2.3', '<= 1.2.3' ] => {
:to_str => '<1.2.4',
:includes => [ '0.0.0-0', '1.2.3' ],
:excludes => [ '1.2.4-0' ],
},
[ '<=1.2.3-alpha', '<= 1.2.3-alpha' ] => {
:to_str => '<=1.2.3-alpha',
:includes => [ '0.0.0-0', '1.2.3-alpha' ],
:excludes => [ '1.2.3-alpha0', '1.2.3-alpha.0', '1.2.3-alpha'.next ],
},
}
expressions.each do |range, vs|
test_range(range, vs[:to_str], vs[:includes], vs[:excludes])
end
end
context '"reasonably close" expressions' do
expressions = {
[ '~ 1', '~1' ] => {
:to_str => '1.x',
:includes => [ '1.0.0-0', '1.999.999' ],
:excludes => [ '0.999.999', '2.0.0-0' ],
},
[ '~ 1.2', '~1.2' ] => {
:to_str => '1.2.x',
:includes => [ '1.2.0-0', '1.2.999' ],
:excludes => [ '1.1.999', '1.3.0-0' ],
},
[ '~ 1.2.3', '~1.2.3' ] => {
:to_str => '>=1.2.3 <1.3.0',
:includes => [ '1.2.3-0', '1.2.5' ],
:excludes => [ '1.2.2', '1.3.0-0' ],
},
[ '~ 1.2.3-alpha', '~1.2.3-alpha' ] => {
:to_str => '>=1.2.3-alpha <1.2.4',
:includes => [ '1.2.3-alpha', '1.2.3' ],
:excludes => [ '1.2.3-alph', '1.2.4-0' ],
},
}
expressions.each do |range, vs|
test_range(range, vs[:to_str], vs[:includes], vs[:excludes])
end
end
context 'inclusive range expressions' do
expressions = {
'1.2.3 - 1.3.4' => {
:to_str => '>=1.2.3 <1.3.5',
:includes => [ '1.2.3-0', '1.3.4' ],
:excludes => [ '1.2.2', '1.3.5-0' ],
},
'1.2.3 - 1.3.4-alpha' => {
:to_str => '>=1.2.3 <=1.3.4-alpha',
:includes => [ '1.2.3-0', '1.3.4-alpha' ],
:excludes => [ '1.2.2', '1.3.4-alpha0', '1.3.5' ],
},
'1.2.3-alpha - 1.3.4' => {
:to_str => '>=1.2.3-alpha <1.3.5',
:includes => [ '1.2.3-alpha', '1.3.4' ],
:excludes => [ '1.2.3-alph', '1.3.5-0' ],
},
'1.2.3-alpha - 1.3.4-alpha' => {
:to_str => '>=1.2.3-alpha <=1.3.4-alpha',
:includes => [ '1.2.3-alpha', '1.3.4-alpha' ],
:excludes => [ '1.2.3-alph', '1.3.4-alpha0', '1.3.5' ],
},
}
expressions.each do |range, vs|
test_range(range, vs[:to_str], vs[:includes], vs[:excludes])
end
end
context 'unioned expressions' do
expressions = {
[ '1.2 <1.2.5' ] => {
:to_str => '>=1.2.0 <1.2.5',
:includes => [ '1.2.0-0', '1.2.4' ],
:excludes => [ '1.1.999', '1.2.5-0', '1.9.0' ],
},
[ '1 <=1.2.5' ] => {
:to_str => '>=1.0.0 <1.2.6',
:includes => [ '1.0.0-0', '1.2.5' ],
:excludes => [ '0.999.999', '1.2.6-0', '1.9.0' ],
},
[ '>1.0.0 >2.0.0 >=3.0.0 <5.0.0' ] => {
:to_str => '>=3.0.0 <5.0.0',
:includes => [ '3.0.0-0', '4.999.999' ],
:excludes => [ '2.999.999', '5.0.0-0' ],
},
[ '<1.0.0 >2.0.0' ] => {
:to_str => '<0.0.0',
:includes => [ ],
:excludes => [ '0.0.0-0' ],
},
}
expressions.each do |range, vs|
test_range(range, vs[:to_str], vs[:includes], vs[:excludes])
end
end
context 'invalid expressions' do
example 'raise an appropriate exception' do
ex = [ ArgumentError, 'Unparsable version range: "invalid"' ]
expect { SemanticPuppet::VersionRange.parse('invalid') }.to raise_error(*ex)
end
end
end
describe '#intersection' do
def self.v(num)
SemanticPuppet::Version.parse("#{num}.0.0")
end
def self.range(x, y, ex = false)
SemanticPuppet::VersionRange.new(v(x), v(y), ex)
end
EMPTY_RANGE = SemanticPuppet::VersionRange::EMPTY_RANGE
tests = {
# This falls entirely before the target range
range(1, 4) => [ EMPTY_RANGE ],
# This falls entirely after the target range
range(11, 15) => [ EMPTY_RANGE ],
# This overlaps the beginning of the target range
range(1, 6) => [ range(5, 6) ],
# This overlaps the end of the target range
range(9, 15) => [ range(9, 10), range(9, 10, true) ],
# This shares the first value of the target range
range(1, 5) => [ range(5, 5) ],
# This shares the last value of the target range
range(10, 15) => [ range(10, 10), EMPTY_RANGE ],
# This shares both values with the target range
range(5, 10) => [ range(5, 10), range(5, 10, true) ],
# This is a superset of the target range
range(4, 11) => [ range(5, 10), range(5, 10, true) ],
# This is a subset of the target range
range(6, 9) => [ range(6, 9) ],
# This shares the first value of the target range, but excludes it
range(1, 5, true) => [ EMPTY_RANGE ],
# This overlaps the beginning of the target range, with an excluded end
range(1, 7, true) => [ range(5, 7, true) ],
# This shares both values with the target range, and excludes the end
range(5, 10, true) => [ range(5, 10, true) ],
}
inclusive = range(5, 10)
context "between #{inclusive} &" do
tests.each do |subject, result|
result = result.first
example subject do
expect(inclusive & subject).to eql(result)
end
end
end
exclusive = range(5, 10, true)
context "between #{exclusive} &" do
tests.each do |subject, result|
result = result.last
example subject do
expect(exclusive & subject).to eql(result)
end
end
end
context 'is commutative' do
tests.each do |subject, _|
example "between #{inclusive} & #{subject}" do
expect(inclusive & subject).to eql(subject & inclusive)
end
example "between #{exclusive} & #{subject}" do
expect(exclusive & subject).to eql(subject & exclusive)
end
end
end
it 'cannot intersect with non-VersionRanges' do
msg = "value must be a SemanticPuppet::VersionRange"
expect { inclusive.intersection(1..2) }.to raise_error(msg)
end
end
end
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