discourse/spec/components/validators/username_setting_validator_...

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require 'spec_helper'
describe UsernameSettingValidator do
describe '#valid_value?' do
subject(:validator) { described_class.new }
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it "returns true for blank values" do
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expect(validator.valid_value?('')).to eq(true)
expect(validator.valid_value?(nil)).to eq(true)
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end
it "returns true if value matches an existing user's username" do
Fabricate(:user, username: 'vader')
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expect(validator.valid_value?('vader')).to eq(true)
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end
it "returns false if value does not match a user's username" do
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expect(validator.valid_value?('no way')).to eq(false)
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end
end
end