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require 'spec_helper'
require 'semver'
describe SemVer do
describe '::valid?' do
it 'should validate basic version strings' do
%w[ 0.0.0 999.999.999 v0.0.0 v999.999.999 ].each do |vstring|
SemVer.valid?(vstring).should be_true
end
end
it 'should validate special version strings' do
%w[ 0.0.0foo 999.999.999bar v0.0.0a v999.999.999beta ].each do |vstring|
SemVer.valid?(vstring).should be_true
end
end
it 'should fail to validate invalid version strings' do
%w[ nope 0.0foo 999.999 x0.0.0 z.z.z 1.2.3-beta 1.x.y ].each do |vstring|
SemVer.valid?(vstring).should be_false
end
end
end
describe '::find_matching' do
before :all do
@versions = %w[
0.0.1
0.0.2
1.0.0rc1
1.0.0rc2
1.0.0
1.0.1
1.1.0
1.1.1
1.1.2
1.1.3
1.1.4
1.2.0
1.2.1
2.0.0rc1
].map { |v| SemVer.new(v) }
end
it 'should match exact versions by string' do
@versions.each do |version|
SemVer.find_matching(version, @versions).should == version
end
end
it 'should return nil if no versions match' do
%w[ 3.0.0 2.0.0rc2 1.0.0alpha ].each do |v|
SemVer.find_matching(v, @versions).should be_nil
end
end
it 'should find the greatest match for partial versions' do
SemVer.find_matching('1.0', @versions).should == 'v1.0.1'
SemVer.find_matching('1.1', @versions).should == 'v1.1.4'
SemVer.find_matching('1', @versions).should == 'v1.2.1'
SemVer.find_matching('2', @versions).should == 'v2.0.0rc1'
SemVer.find_matching('2.1', @versions).should == nil
end
it 'should find the greatest match for versions with placeholders' do
SemVer.find_matching('1.0.x', @versions).should == 'v1.0.1'
SemVer.find_matching('1.1.x', @versions).should == 'v1.1.4'
SemVer.find_matching('1.x', @versions).should == 'v1.2.1'
SemVer.find_matching('1.x.x', @versions).should == 'v1.2.1'
SemVer.find_matching('2.x', @versions).should == 'v2.0.0rc1'
SemVer.find_matching('2.x.x', @versions).should == 'v2.0.0rc1'
SemVer.find_matching('2.1.x', @versions).should == nil
end
end
describe 'instantiation' do
it 'should raise an exception when passed an invalid version string' do
expect { SemVer.new('invalidVersion') }.to raise_exception ArgumentError
end
it 'should populate the appropriate fields for a basic version string' do
version = SemVer.new('1.2.3')
version.major.should == 1
version.minor.should == 2
version.tiny.should == 3
version.special.should == ''
end
it 'should populate the appropriate fields for a special version string' do
version = SemVer.new('3.4.5beta6')
version.major.should == 3
version.minor.should == 4
version.tiny.should == 5
version.special.should == 'beta6'
end
end
describe '#matched_by?' do
subject { SemVer.new('v1.2.3beta') }
describe 'should match against' do
describe 'literal version strings' do
it { should be_matched_by('1.2.3beta') }
it { should_not be_matched_by('1.2.3alpha') }
it { should_not be_matched_by('1.2.4beta') }
it { should_not be_matched_by('1.3.3beta') }
it { should_not be_matched_by('2.2.3beta') }
end
describe 'partial version strings' do
it { should be_matched_by('1.2.3') }
it { should be_matched_by('1.2') }
it { should be_matched_by('1') }
end
describe 'version strings with placeholders' do
it { should be_matched_by('1.2.x') }
it { should be_matched_by('1.x.3') }
it { should be_matched_by('1.x.x') }
it { should be_matched_by('1.x') }
end
end
end
describe 'comparisons' do
describe 'against a string' do
it 'should just work' do
SemVer.new('1.2.3').should == '1.2.3'
end
end
describe 'against a symbol' do
it 'should just work' do
SemVer.new('1.2.3').should == :'1.2.3'
end
end
describe 'on a basic version (v1.2.3)' do
subject { SemVer.new('v1.2.3') }
it { should == SemVer.new('1.2.3') }
# Different major versions
it { should > SemVer.new('0.2.3') }
it { should < SemVer.new('2.2.3') }
# Different minor versions
it { should > SemVer.new('1.1.3') }
it { should < SemVer.new('1.3.3') }
# Different tiny versions
it { should > SemVer.new('1.2.2') }
it { should < SemVer.new('1.2.4') }
# Against special versions
it { should > SemVer.new('1.2.3beta') }
it { should < SemVer.new('1.2.4beta') }
end
describe 'on a special version (v1.2.3beta)' do
subject { SemVer.new('v1.2.3beta') }
it { should == SemVer.new('1.2.3beta') }
# Same version, final release
it { should < SemVer.new('1.2.3') }
# Different major versions
it { should > SemVer.new('0.2.3') }
it { should < SemVer.new('2.2.3') }
# Different minor versions
it { should > SemVer.new('1.1.3') }
it { should < SemVer.new('1.3.3') }
# Different tiny versions
it { should > SemVer.new('1.2.2') }
it { should < SemVer.new('1.2.4') }
# Against special versions
it { should > SemVer.new('1.2.3alpha') }
it { should < SemVer.new('1.2.3beta2') }
end
end
end
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