Add rspec test around accepting suggestions

spec/widgets/accept_spec.rb

@@ -0,0 +1,162 @@
+describe 'accept widget' do
+  let(:session) { TerminalSession.new }
+
+  before do
+    session.run_command('source zsh-autosuggestions.zsh')
+    session.run_command(select_keymap)
+    session.run_command('fc -p')
+    session.run_command('echo hello world')
+
+    session.clear
+
+    session.send_string('echo')
+    wait_for { session.content }.to start_with('echo')
+  end
+
+  after do
+    session.destroy
+  end
+
+  describe 'emacs keymap' do
+    let(:select_keymap) { 'bindkey -e' }
+
+    context 'forward-char' do
+      subject { session.send_keys('right') }
+
+      context 'when the cursor is at the end of the buffer' do
+        it 'accepts the suggestion' do
+          expect { subject }.to change { session.content(esc_seqs: true) }.to('echo hello world')
+        end
+
+        it 'moves the cursor to the end of the buffer' do
+          expect { subject }.to change { session.cursor }.from([4, 0]).to([16, 0])
+        end
+      end
+
+      context 'when the cursor is not at the end of the buffer' do
+        before { 2.times { session.send_keys('left') } }
+
+        it 'does not accept the suggestion' do
+          expect { subject }.not_to change { session.content(esc_seqs: true) }
+        end
+
+        it 'moves the cursor forward one character' do
+          expect { subject }.to change { session.cursor }.from([2, 0]).to([3, 0])
+        end
+      end
+    end
+
+    context 'end-of-line' do
+      subject { session.send_keys('C-e') }
+
+      context 'when the cursor is at the end of the buffer' do
+        it 'accepts the suggestion' do
+          expect { subject }.to change { session.content(esc_seqs: true) }.to('echo hello world')
+        end
+
+        it 'moves the cursor to the end of the buffer' do
+          expect { subject }.to change { session.cursor }.from([4, 0]).to([16, 0])
+        end
+      end
+
+      context 'when the cursor is not at the end of the buffer' do
+        before { 2.times { session.send_keys('left') } }
+
+        it 'does not accept the suggestion' do
+          expect { subject }.not_to change { session.content(esc_seqs: true) }
+        end
+
+        it 'moves the cursor to the end of the line' do
+          expect { subject }.to change { session.cursor }.from([2, 0]).to([4, 0])
+        end
+      end
+    end
+  end
+
+  describe 'vi keymap' do
+    let(:select_keymap) { 'bindkey -v' }
+
+    before { session.send_keys('escape') }
+
+    context 'vi-forward-char' do
+      subject { session.send_keys('l') }
+
+      context 'when the cursor is at the end of the buffer' do
+        it 'accepts the suggestion' do
+          expect { subject }.to change { session.content(esc_seqs: true) }.to('echo hello world')
+        end
+
+        it 'moves the cursor to the end of the buffer' do
+          wait_for { session.cursor }.to eq([3, 0])
+          expect { subject }.to change { session.cursor }.from([3, 0]).to([15, 0])
+        end
+      end
+
+      context 'when the cursor is not at the end of the buffer' do
+        before { 2.times { session.send_keys('h') } }
+
+        it 'does not accept the suggestion' do
+          expect { subject }.not_to change { session.content(esc_seqs: true) }
+        end
+
+        it 'moves the cursor forward one character' do
+          expect { subject }.to change { session.cursor }.from([1, 0]).to([2, 0])
+        end
+      end
+    end
+
+    context 'vi-end-of-line' do
+      subject { session.send_keys('$') }
+
+      context 'when the cursor is at the end of the buffer' do
+        it 'accepts the suggestion' do
+          expect { subject }.to change { session.content(esc_seqs: true) }.to('echo hello world')
+        end
+
+        it 'moves the cursor to the end of the buffer' do
+          wait_for { session.cursor }.to eq([3, 0])
+          expect { subject }.to change { session.cursor }.from([3, 0]).to([15, 0])
+        end
+      end
+
+      context 'when the cursor is not at the end of the buffer' do
+        before { 2.times { session.send_keys('h') } }
+
+        it 'does not accept the suggestion' do
+          expect { subject }.not_to change { session.content(esc_seqs: true) }
+        end
+
+        it 'moves the cursor to the end of the line' do
+          expect { subject }.to change { session.cursor }.from([1, 0]).to([3, 0])
+        end
+      end
+    end
+
+    context 'vi-add-eol' do
+      subject { session.send_keys('A') }
+
+      context 'when the cursor is at the end of the buffer' do
+        it 'accepts the suggestion' do
+          expect { subject }.to change { session.content(esc_seqs: true) }.to('echo hello world')
+        end
+
+        it 'moves the cursor to the end of the buffer' do
+          wait_for { session.cursor }.to eq([3, 0])
+          expect { subject }.to change { session.cursor }.from([3, 0]).to([16, 0])
+        end
+      end
+
+      context 'when the cursor is not at the end of the buffer' do
+        before { 2.times { session.send_keys('h') } }
+
+        it 'does not accept the suggestion' do
+          expect { subject }.not_to change { session.content(esc_seqs: true) }
+        end
+
+        it 'moves the cursor to the end of the line' do
+          expect { subject }.to change { session.cursor }.from([1, 0]).to([4, 0])
+        end
+      end
+    end
+  end
+end