4 files changed, 122 insertions, 2 deletions
diff --git a/spec/rubocop/cop/migration/add_column_with_default_to_large_table_spec.rb b/spec/rubocop/cop/migration/add_column_with_default_to_large_table_spec.rb
new file mode 100644
index 00000000000..07cb3fc4a2e
--- /dev/null
+++ b/spec/rubocop/cop/migration/add_column_with_default_to_large_table_spec.rb
@@ -0,0 +1,44 @@
+require 'spec_helper'
+
+require 'rubocop'
+require 'rubocop/rspec/support'
+
+require_relative '../../../../rubocop/cop/migration/add_column_with_default_to_large_table'
+
+describe RuboCop::Cop::Migration::AddColumnWithDefaultToLargeTable do
+  include CopHelper
+
+  subject(:cop) { described_class.new }
+
+  context 'in migration' do
+    before do
+      allow(cop).to receive(:in_migration?).and_return(true)
+    end
+
+    described_class::LARGE_TABLES.each do |table|
+      it "registers an offense for the #{table} table" do
+        inspect_source(cop, "add_column_with_default :#{table}, :column, default: true")
+
+        aggregate_failures do
+          expect(cop.offenses.size).to eq(1)
+          expect(cop.offenses.map(&:line)).to eq([1])
+        end
+      end
+    end
+
+    it 'registers no offense for non-blacklisted tables' do
+      inspect_source(cop, "add_column_with_default :table, :column, default: true")
+
+      expect(cop.offenses).to be_empty
+    end
+  end
+
+  context 'outside of migration' do
+    it 'registers no offense' do
+      table = described_class::LARGE_TABLES.sample
+      inspect_source(cop, "add_column_with_default :#{table}, :column, default: true")
+
+      expect(cop.offenses).to be_empty
+    end
+  end
+end
diff --git a/spec/rubocop/cop/migration/remove_concurrent_index_spec.rb b/spec/rubocop/cop/migration/remove_concurrent_index_spec.rb
new file mode 100644
index 00000000000..a714bf4e5d5
--- /dev/null
+++ b/spec/rubocop/cop/migration/remove_concurrent_index_spec.rb
@@ -0,0 +1,41 @@
+require 'spec_helper'
+
+require 'rubocop'
+require 'rubocop/rspec/support'
+
+require_relative '../../../../rubocop/cop/migration/remove_concurrent_index'
+
+describe RuboCop::Cop::Migration::RemoveConcurrentIndex do
+  include CopHelper
+
+  subject(:cop) { described_class.new }
+
+  context 'in migration' do
+    before do
+      allow(cop).to receive(:in_migration?).and_return(true)
+    end
+
+    it 'registers an offense when remove_concurrent_index is used inside a change method' do
+      inspect_source(cop, 'def change; remove_concurrent_index :table, :column; end')
+
+      aggregate_failures do
+        expect(cop.offenses.size).to eq(1)
+        expect(cop.offenses.map(&:line)).to eq([1])
+      end
+    end
+
+    it 'registers no offense when remove_concurrent_index is used inside an up method' do
+      inspect_source(cop, 'def up; remove_concurrent_index :table, :column; end')
+
+      expect(cop.offenses.size).to eq(0)
+    end
+  end
+
+  context 'outside of migration' do
+    it 'registers no offense' do
+      inspect_source(cop, 'def change; remove_concurrent_index :table, :column; end')
+
+      expect(cop.offenses.size).to eq(0)
+    end
+  end
+end
diff --git a/spec/rubocop/cop/migration/remove_index_spec.rb b/spec/rubocop/cop/migration/remove_index_spec.rb
new file mode 100644
index 00000000000..31923cb7429
--- /dev/null
+++ b/spec/rubocop/cop/migration/remove_index_spec.rb
@@ -0,0 +1,35 @@
+require 'spec_helper'
+
+require 'rubocop'
+require 'rubocop/rspec/support'
+
+require_relative '../../../../rubocop/cop/migration/remove_index'
+
+describe RuboCop::Cop::Migration::RemoveIndex do
+  include CopHelper
+
+  subject(:cop) { described_class.new }
+
+  context 'in migration' do
+    before do
+      allow(cop).to receive(:in_migration?).and_return(true)
+    end
+
+    it 'registers an offense when remove_index is used' do
+      inspect_source(cop, 'def change; remove_index :table, :column; end')
+
+      aggregate_failures do
+        expect(cop.offenses.size).to eq(1)
+        expect(cop.offenses.map(&:line)).to eq([1])
+      end
+    end
+  end
+
+  context 'outside of migration' do
+    it 'registers no offense' do
+      inspect_source(cop, 'def change; remove_index :table, :column; end')
+
+      expect(cop.offenses.size).to eq(0)
+    end
+  end
+end
diff --git a/spec/rubocop/cop/migration/add_column_with_default_spec.rb b/spec/rubocop/cop/migration/reversible_add_column_with_default_spec.rb
index 6b9b6b19650..3723d635083 100644
--- a/spec/rubocop/cop/migration/add_column_with_default_spec.rb
+++ b/spec/rubocop/cop/migration/reversible_add_column_with_default_spec.rb
@@ -3,9 +3,9 @@ require 'spec_helper'
 require 'rubocop'
 require 'rubocop/rspec/support'
 
-require_relative '../../../../rubocop/cop/migration/add_column_with_default'
+require_relative '../../../../rubocop/cop/migration/reversible_add_column_with_default'
 
-describe RuboCop::Cop::Migration::AddColumnWithDefault do
+describe RuboCop::Cop::Migration::ReversibleAddColumnWithDefault do
   include CopHelper
 
   subject(:cop) { described_class.new }