Add spec for `CLI::Search#deploy` command (#28272)

spec/lib/mastodon/cli/search_spec.rb

@@ -4,5 +4,79 @@ require 'rails_helper'
 require 'mastodon/cli/search'
 
 describe Mastodon::CLI::Search do
+  subject { cli.invoke(action, arguments, options) }
+
+  let(:cli) { described_class.new }
+  let(:arguments) { [] }
+  let(:options) { {} }
+
   it_behaves_like 'CLI Command'
+
+  describe '#deploy' do
+    let(:action) { :deploy }
+
+    context 'with concurrency out of range' do
+      let(:options) { { concurrency: -100 } }
+
+      it 'Exits with error message' do
+        expect { subject }
+          .to output_results('this concurrency setting')
+          .and raise_error(SystemExit)
+      end
+    end
+
+    context 'with batch size out of range' do
+      let(:options) { { batch_size: -100_000 } }
+
+      it 'Exits with error message' do
+        expect { subject }
+          .to output_results('this batch_size setting')
+          .and raise_error(SystemExit)
+      end
+    end
+
+    context 'without options' do
+      before { stub_search_indexes }
+
+      let(:indexed_count) { 1 }
+      let(:deleted_count) { 2 }
+
+      it 'reports about storage size' do
+        expect { subject }
+          .to output_results(
+            "Indexed #{described_class::INDICES.size * indexed_count} records",
+            "de-indexed #{described_class::INDICES.size * deleted_count}"
+          )
+      end
+    end
+
+    def stub_search_indexes
+      described_class::INDICES.each do |index|
+        allow(index)
+          .to receive_messages(
+            specification: instance_double(Chewy::Index::Specification, changed?: true, lock!: nil),
+            purge: nil
+          )
+
+        importer_double = importer_double_for(index)
+        allow(importer_double).to receive(:on_progress).and_yield([indexed_count, deleted_count])
+        allow("Importer::#{index}Importer".constantize)
+          .to receive(:new)
+          .and_return(importer_double)
+      end
+    end
+
+    def importer_double_for(index)
+      instance_double(
+        "Importer::#{index}Importer".constantize,
+        clean_up!: nil,
+        estimate!: 100,
+        import!: nil,
+        on_failure: nil,
+        # on_progress: nil,
+        optimize_for_import!: nil,
+        optimize_for_search!: nil
+      )
+    end
+  end
 end