Add request spec for PlacementsController

The PlacementsController is a full CRUD for Youth
placement records but only has a pending
controller placeholder spec.
This commit adds coverage for it.

Author: stefannibrasil

spec/controllers/placements_controller_spec.rb

@@ -0,0 +1,121 @@
+require "rails_helper"
+
+RSpec.describe "Placements", type: :request do
+  let(:casa_org) { build(:casa_org) }
+  let(:admin) { create(:casa_admin, casa_org:) }
+  let(:casa_case) { create(:casa_case, casa_org:) }
+
+  before do
+    sign_in admin
+  end
+
+  describe "GET /index" do
+    it "displays the placement information" do
+      get casa_case_placements_path(casa_case)
+
+      expect(response).to have_http_status(:success)
+      expect(response.body).to include("Placement History")
+      expect(response.body).to include(casa_case.case_number)
+    end
+  end
+
+  describe "GET /show" do
+    it "displays the placement details" do
+      placement_type = build(:placement_type, casa_org:, name: "Reunification")
+      placement = create(:placement, casa_case:, placement_type:)
+
+      get casa_case_placement_path(casa_case, placement)
+
+      expect(response).to have_http_status(:success)
+      expect(response.body).to include("Placement")
+      expect(response.body).to include("Reunification")
+      expect(response.body).to include(casa_case.case_number)
+    end
+  end
+
+  describe "GET /new" do
+    it "returns a successful response" do
+      get new_casa_case_placement_path(casa_case)
+
+      expect(response).to have_http_status(:success)
+    end
+  end
+
+  describe "GET /edit" do
+    it "returns a successful response" do
+      placement = create(:placement, casa_case:)
+
+      get edit_casa_case_placement_path(casa_case, placement)
+
+      expect(response).to have_http_status(:success)
+    end
+  end
+
+  describe "POST /create" do
+    context "when the params are valid" do
+      it "creates the placement successfully and redirects to the placement" do
+        placement_type = create(:placement_type, casa_org:, name: "Adoption by relative")
+
+        params = {
+          placement: {
+            placement_started_at: Date.new(2026, 2, 1),
+            placement_type_id: placement_type.id
+          }
+        }
+
+        expect do
+          post casa_case_placements_path(casa_case), params: params
+        end.to change(Placement, :count).by(1)
+
+        expect(response).to have_http_status(:redirect)
+        expect(flash[:notice]).to match(/placement was successfully created/i)
+        follow_redirect!
+        expect(response.body).to include("Placement")
+        expect(response.body).to include("Adoption by relative")
+        expect(response.body).to include(casa_case.case_number)
+      end
+    end
+  end
+
+  describe "PATCH /update" do
+    context "when the params are valid" do
+      it "updates the placement successfully" do
+        placement = create(:placement, casa_case:, placement_started_at: Date.new(2026, 4, 1))
+
+        params = {placement: {placement_started_at: Date.new(2026, 1, 1)}}
+        patch casa_case_placement_path(casa_case, placement), params: params
+
+        expect(response).to redirect_to(casa_case_placements_path(casa_case))
+        expect(placement.reload.placement_started_at).to eq(Date.new(2026, 1, 1))
+        expect(flash[:notice]).to match(/placement was successfully updated/i)
+      end
+    end
+
+    context "when the params are invalid" do
+      it "returns an unprocessable_content response" do
+        placement = create(:placement, casa_case:, placement_started_at: Date.new(2026, 4, 1))
+
+        params = {placement: {placement_started_at: 1000.years.ago}}
+        patch casa_case_placement_path(casa_case, placement), params: params
+
+        expect(response).to have_http_status(:unprocessable_content)
+      end
+    end
+  end
+
+  describe "DELETE /destroy" do
+    it "deletes the placement successfully" do
+      placement = create(:placement, casa_case:)
+
+      expect do
+        delete casa_case_placement_path(casa_case, placement)
+      end.to change(Placement, :count).by(-1)
+
+      expect(response).to have_http_status(:redirect)
+      expect(flash[:notice]).to match(/placement was successfully deleted/i)
+      follow_redirect!
+      expect(response.body).to include("Placement History")
+      expect(response.body).to include(casa_case.case_number)
+    end
+  end
+end