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# frozen_string_literal: true
RSpec.describe Dry::Logic::Operations::Each do
subject(:operation) { described_class.new(is_string) }
include_context "predicates"
let(:is_string) { Dry::Logic::Rule::Predicate.build(str?) }
describe "#call" do
it "applies its rules to all elements in the input" do
expect(operation.(["Address"])).to be_success
expect(operation.([nil, "Address"])).to be_failure
expect(operation.([:Address, "Address"])).to be_failure
end
end
describe "#to_ast" do
it "returns ast" do
expect(operation.to_ast).to eql([:each, [:predicate, [:str?, [[:input, undefined]]]]])
end
it "returns result ast" do
expect(operation.([nil, 12, nil]).to_ast).to eql(
[:set, [
[:key, [0, [:predicate, [:str?, [[:input, nil]]]]]],
[:key, [1, [:predicate, [:str?, [[:input, 12]]]]]],
[:key, [2, [:predicate, [:str?, [[:input, nil]]]]]]
]]
)
end
it "returns failure result ast" do
expect(operation.with(id: :tags).([nil, "red", 12]).to_ast).to eql(
[:failure, [:tags, [:set, [
[:key, [0, [:predicate, [:str?, [[:input, nil]]]]]],
[:key, [2, [:predicate, [:str?, [[:input, 12]]]]]]
]]]]
)
end
end
describe "#to_s" do
it "returns string representation" do
expect(operation.to_s).to eql("each(str?)")
end
end
end
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