Lots of async changes

spec/strategies/match_prev_cmd_spec.rb

@@ -1,60 +1,17 @@
-describe 'match_prev_cmd strategy' do
-  let(:session) { TerminalSession.new }
-
-  before do
-    session.run_command('source zsh-autosuggestions.zsh')
-    session.run_command('ZSH_AUTOSUGGEST_STRATEGY=match_prev_cmd')
-    session.run_command('fc -p')
-    session.clear
-  end
-
-  after do
-    session.destroy
-  end
-
-  context 'with some history entries' do
-    before do
-      session.run_command('echo what')
-      session.run_command('ls foo')
-      session.run_command('echo what')
-      session.run_command('ls bar')
-      session.run_command('ls baz')
-
-      session.clear
-    end
-
-    it 'suggests nothing if prefix does not match' do
-      session.send_string('ls q')
-      wait_for { session.content }.to eq('ls q')
-    end
-
-    it 'suggests the most recent matching history item' do
-      session.send_string('ls')
-      wait_for { session.content }.to eq('ls baz')
-    end
-
-    it 'suggests the most recent after the previous command' do
-      session.run_command('echo what')
-      session.clear
+describe 'the match_prev_cmd strategy' do
+  let(:options) { ['ZSH_AUTOSUGGEST_STRATEGY=match_prev_cmd'] }
 
+  it 'suggests the last matching history entry after the previous command' do
+    with_history(
+      'echo what',
+      'ls foo',
+      'echo what',
+      'ls bar',
+      'ls baz',
+      'echo what'
+    ) do
       session.send_string('ls')
       wait_for { session.content }.to eq('ls bar')
     end
   end
-
-  context 'with a multiline hist entry' do
-    before do
-      session.send_string('echo "')
-      session.send_keys('enter')
-      session.send_string('"')
-      session.send_keys('enter')
-
-      session.clear
-    end
-
-    it do
-      session.send_keys('e')
-      wait_for { session.content }.to eq "echo \"\n\""
-    end
-  end
 end