require 'rails_helper' describe StringSettingValidator do describe '#valid_value?' do shared_examples "for all StringSettingValidator opts" do it "returns true for blank values" do expect(validator.valid_value?('')).to eq(true) expect(validator.valid_value?(nil)).to eq(true) end end context 'with a regex' do subject(:validator) { described_class.new(regex: 'bacon') } include_examples "for all StringSettingValidator opts" it "returns true if value matches the regex" do expect(validator.valid_value?('The bacon is delicious')).to eq(true) end it "returns false if the value doesn't match the regex" do expect(validator.valid_value?('The vegetables are delicious')).to eq(false) end it "test some other regexes" do v = described_class.new(regex: '^(chocolate|banana)$') expect(v.valid_value?('chocolate')).to eq(true) expect(v.valid_value?('chocolates')).to eq(false) v = described_class.new(regex: '^[\w]+$') expect(v.valid_value?('the_file')).to eq(true) expect(v.valid_value?('the_file.bat')).to eq(false) end end context 'with min' do subject(:validator) { described_class.new(min: 2) } include_examples "for all StringSettingValidator opts" it "returns true if length is ok" do expect(validator.valid_value?('ok')).to eq(true) expect(validator.valid_value?('yep long enough')).to eq(true) end it "returns false if too short" do expect(validator.valid_value?('x')).to eq(false) end end context 'with max' do subject(:validator) { described_class.new(max: 5) } include_examples "for all StringSettingValidator opts" it "returns true if length is ok" do expect(validator.valid_value?('Z')).to eq(true) expect(validator.valid_value?('abcde')).to eq(true) end it "returns false if too long" do expect(validator.valid_value?('banana')).to eq(false) end end context 'combinations of options' do it "min and regex" do v = described_class.new(regex: '^[\w]+$', min: 3) expect(v.valid_value?('chocolate')).to eq(true) expect(v.valid_value?('hi')).to eq(false) expect(v.valid_value?('game.exe')).to eq(false) end it "max and regex" do v = described_class.new(regex: '^[\w]+$', max: 5) expect(v.valid_value?('chocolate')).to eq(false) expect(v.valid_value?('a_b_c')).to eq(true) expect(v.valid_value?('a b c')).to eq(false) end it "min and max" do v = described_class.new(min: 3, max: 5) expect(v.valid_value?('chocolate')).to eq(false) expect(v.valid_value?('a')).to eq(false) expect(v.valid_value?('a b c')).to eq(true) expect(v.valid_value?('a b')).to eq(true) end it "min, max, and regex" do v = described_class.new(min: 3, max: 12, regex: 'bacon') expect(v.valid_value?('go bacon!')).to eq(true) expect(v.valid_value?('sprinkle bacon on your cereal')).to eq(false) expect(v.valid_value?('ba')).to eq(false) end end end end