Add spec coverage for `CLI::EmailDomainBlocks` commands (#28181)

lib/mastodon/cli/email_domain_blocks.rb

@@ -7,10 +7,10 @@ module Mastodon::CLI
   class EmailDomainBlocks < Base
     desc 'list', 'List blocked e-mail domains'
     def list
-      EmailDomainBlock.where(parent_id: nil).order(id: 'DESC').find_each do |entry|
+      EmailDomainBlock.where(parent_id: nil).find_each do |entry|
         say(entry.domain.to_s, :white)
 
-        EmailDomainBlock.where(parent_id: entry.id).order(id: 'DESC').find_each do |child|
+        EmailDomainBlock.where(parent_id: entry.id).find_each do |child|
           say("  #{child.domain}", :cyan)
         end
       end

spec/lib/mastodon/cli/email_domain_blocks_spec.rb

@@ -4,5 +4,98 @@ require 'rails_helper'
 require 'mastodon/cli/email_domain_blocks'
 
 describe Mastodon::CLI::EmailDomainBlocks do
+  let(:cli) { described_class.new }
+
   it_behaves_like 'CLI Command'
+
+  describe '#list' do
+    context 'with email domain block records' do
+      let!(:parent_block) { Fabricate(:email_domain_block) }
+      let!(:child_block) { Fabricate(:email_domain_block, parent: parent_block) }
+      let(:options) { {} }
+
+      it 'lists the blocks' do
+        expect { cli.invoke(:list, [], options) }.to output(
+          a_string_including(parent_block.domain)
+          .and(a_string_including(child_block.domain))
+        ).to_stdout
+      end
+    end
+  end
+
+  describe '#add' do
+    context 'without any options' do
+      let(:options) { {} }
+
+      it 'warns about usage and exits' do
+        expect { cli.invoke(:add, [], options) }.to output(
+          a_string_including('No domain(s) given')
+        ).to_stdout.and raise_error(SystemExit)
+      end
+    end
+
+    context 'when blocks exist' do
+      let(:options) { {} }
+      let(:domain) { 'host.example' }
+
+      before { Fabricate(:email_domain_block, domain: domain) }
+
+      it 'does not add a new block' do
+        expect { cli.invoke(:add, [domain], options) }.to output(
+          a_string_including('is already blocked')
+        ).to_stdout
+          .and(not_change(EmailDomainBlock, :count))
+      end
+    end
+
+    context 'when no blocks exist' do
+      let(:options) { {} }
+      let(:domain) { 'host.example' }
+
+      it 'adds a new block' do
+        expect { cli.invoke(:add, [domain], options) }.to output(
+          a_string_including('Added 1')
+        ).to_stdout
+          .and(change(EmailDomainBlock, :count).by(1))
+      end
+    end
+  end
+
+  describe '#remove' do
+    context 'without any options' do
+      let(:options) { {} }
+
+      it 'warns about usage and exits' do
+        expect { cli.invoke(:remove, [], options) }.to output(
+          a_string_including('No domain(s) given')
+        ).to_stdout.and raise_error(SystemExit)
+      end
+    end
+
+    context 'when blocks exist' do
+      let(:options) { {} }
+      let(:domain) { 'host.example' }
+
+      before { Fabricate(:email_domain_block, domain: domain) }
+
+      it 'removes the block' do
+        expect { cli.invoke(:remove, [domain], options) }.to output(
+          a_string_including('Removed 1')
+        ).to_stdout
+          .and(change(EmailDomainBlock, :count).by(-1))
+      end
+    end
+
+    context 'when no blocks exist' do
+      let(:options) { {} }
+      let(:domain) { 'host.example' }
+
+      it 'does not remove a block' do
+        expect { cli.invoke(:remove, [domain], options) }.to output(
+          a_string_including('is not yet blocked')
+        ).to_stdout
+          .and(not_change(EmailDomainBlock, :count))
+      end
+    end
+  end
 end