test:proposal service add and view proposal

src/main/java/com/nickhumberstone/xpvoting/ProposalController.java

@@ -0,0 +1,8 @@
+package com.nickhumberstone.xpvoting;
+
+import org.springframework.stereotype.Controller;
+
+@Controller
+public class ProposalController {
+
+}

src/test/java/com/nickhumberstone/xpvoting/ProposalControllerIT.java

@@ -0,0 +1,22 @@
+package com.nickhumberstone.xpvoting;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.test.web.servlet.MockMvc;
+
+@WebMvcTest(ProposalController.class)
+class ProposalControllerIT {
+
+    @Autowired
+    MockMvc mvc;
+
+    @Test
+    void should_return_200_for_home_page() throws Exception {
+        mvc.perform(get("/"))
+                .andExpect(status().isOk());
+    }
+}

src/test/java/com/nickhumberstone/xpvoting/ProposalService.java

@@ -0,0 +1,21 @@
+
+package com.nickhumberstone.xpvoting;
+
+import java.util.List;
+import java.util.ArrayList;
+
+import java.util.Collections;
+
+public class ProposalService {
+    List<String> proposals = new ArrayList<>();
+
+    public List<String> proposals() {
+        // return proposals;
+        return Collections.unmodifiableList(proposals);
+    }
+
+    public void addProposal(String proposal) {
+        proposals.add(proposal);
+    }
+
+}

src/test/java/com/nickhumberstone/xpvoting/ProposalServiceTest.java

@@ -0,0 +1,29 @@
+package com.nickhumberstone.xpvoting;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.api.Test;
+
+class ProposalServiceTest {
+    ProposalService service = new ProposalService();
+
+    @Test
+    void should_start_with_no_proposals() {
+        assertThat(service.proposals()).isEmpty();
+    }
+
+    @Test
+    void should_be_able_to_add_proposal() {
+        // first add a proposal to the Proposal Service
+        service.addProposal("Proposal 1");
+        // expect our proposal to be in the list
+        assertThat(service.proposals()).contains("Proposal 1");
+    }
+
+    @Test
+    void should_be_able_to_add_multiple_proposals() {
+        service.addProposal("Proposal A");
+        service.addProposal("Proposal B");
+        assertThat(service.proposals()).contains("Proposal A", "Proposal B");
+    }
+}

src/test/java/com/nickhumberstone/xpvoting/acceptance/UiAcceptanceTests.java

@@ -57,4 +57,11 @@ void shouldHaveSubHeading() {
                         new Page.GetByRoleOptions().setName("Proposed topic titles")))
                 .isVisible();
     }
+
+    @Test
+    void shouldBeAbleToProposeAndViewProposal() {
+        page.getByLabel("Proposal").fill("XTC is cool");
+        page.getByRole(AriaRole.BUTTON).click();
+        assertThat(page.getByRole(AriaRole.LISTITEM).and(page.getByText("XTC is cool"))).isVisible();
+    }
 }