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Currently in services, we don’t make a distinction between input parameters, options and dependencies. This can lead to user input modifying the service behavior, whereas it was not the developer intention. This patch addresses the issue by changing how data is provided to services: - `params` is now used to hold all data coming from outside (typically user input from a controller) and a contract will take its values from `params`. - `options` is a new key to provide options to a service. This typically allows changing a service behavior at runtime. It is, of course, totally optional. - `dependencies` is actually anything else provided to the service (like `guardian`) and available directly from the context object. The `service_params` helper in controllers has been updated to reflect those changes, so most of the existing services didn’t need specific changes. The options block has the same DSL as contracts, as it’s also based on `ActiveModel`. There aren’t any validations, though. Here’s an example: ```ruby options do attribute :allow_changing_hidden, :boolean, default: false end ``` And here’s an example of how to call a service with the new keys: ```ruby MyService.call(params: { key1: value1, … }, options: { my_option: true }, guardian:, …) ```
109 lines
3.2 KiB
Ruby
109 lines
3.2 KiB
Ruby
# frozen_string_literal: true
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RSpec.describe(Flags::UpdateFlag) do
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describe described_class::Contract, type: :model do
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it { is_expected.to validate_presence_of(:id) }
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it { is_expected.to validate_presence_of(:name) }
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it { is_expected.to validate_presence_of(:description) }
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it { is_expected.to validate_length_of(:name).is_at_most(Flag::MAX_NAME_LENGTH) }
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it { is_expected.to validate_length_of(:description).is_at_most(Flag::MAX_DESCRIPTION_LENGTH) }
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it { is_expected.to validate_inclusion_of(:applies_to).in_array(Flag.valid_applies_to_types) }
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end
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describe ".call" do
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subject(:result) { described_class.call(params:, **dependencies) }
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fab!(:current_user) { Fabricate(:admin) }
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fab!(:flag)
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let(:params) do
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{
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id: flag_id,
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name:,
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description:,
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applies_to:,
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require_message:,
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enabled:,
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auto_action_type:,
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}
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end
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let(:dependencies) { { guardian: current_user.guardian } }
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let(:flag_id) { flag.id }
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let(:name) { "edited custom flag name" }
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let(:description) { "edited custom flag description" }
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let(:applies_to) { ["Topic"] }
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let(:require_message) { true }
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let(:enabled) { false }
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let(:auto_action_type) { true }
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# DO NOT REMOVE: flags have side effects and their state will leak to
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# other examples otherwise.
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after { flag.destroy! }
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context "when contract is invalid" do
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let(:name) { nil }
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it { is_expected.to fail_a_contract }
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end
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context "when model is not found" do
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let(:flag_id) { 0 }
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it { is_expected.to fail_to_find_a_model(:flag) }
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end
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context "when the flag is a system one" do
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let(:flag) { Flag.first }
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it { is_expected.to fail_a_policy(:not_system) }
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end
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context "when the flag has been used" do
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let!(:post_action) { Fabricate(:post_action, post_action_type_id: flag.id) }
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it { is_expected.to fail_a_policy(:not_used) }
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end
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context "when user is not allowed to perform the action" do
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fab!(:current_user) { Fabricate(:user) }
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it { is_expected.to fail_a_policy(:invalid_access) }
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end
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context "when title is not unique" do
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let!(:flag_2) { Fabricate(:flag, name:) }
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# DO NOT REMOVE: flags have side effects and their state will leak to
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# other examples otherwise.
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after { flag_2.destroy! }
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it { is_expected.to fail_a_policy(:unique_name) }
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end
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context "when everything's ok" do
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it { is_expected.to run_successfully }
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it "updates the flag" do
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result
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expect(flag.reload).to have_attributes(
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name: "edited custom flag name",
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description: "edited custom flag description",
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applies_to: ["Topic"],
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require_message: true,
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enabled: false,
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auto_action_type: true,
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)
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end
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it "logs the action" do
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expect { result }.to change { UserHistory.count }.by(1)
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expect(UserHistory.last).to have_attributes(
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custom_type: "update_flag",
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details:
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"name: edited custom flag name\ndescription: edited custom flag description\napplies_to: [\"Topic\"]\nrequire_message: true\nenabled: false",
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)
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end
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end
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end
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end
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