Add model specs for Claims::ClaimWindow

spec/models/claims/claim_window_spec.rb

@@ -22,5 +22,115 @@
 require "rails_helper"
 
 RSpec.describe Claims::ClaimWindow, type: :model do
-  pending "add some examples to (or delete) #{__FILE__}"
+  subject(:claim_window) { build(:claim_window, academic_year:) }
+
+  let(:academic_year) { academic_years("2023_to_2024") }
+
+  before do
+    described_class.destroy_all
+  end
+
+  describe "associations" do
+    it { is_expected.to belong_to(:academic_year) }
+  end
+
+  describe "validations" do
+    it { is_expected.to validate_presence_of(:starts_on) }
+    it { is_expected.to validate_presence_of(:ends_on) }
+
+    it "validates that end date is always after the start date" do
+      claim_window.starts_on = Date.parse("17 July 2024")
+      claim_window.ends_on = Date.parse("18 July 2024")
+
+      expect(claim_window).to be_valid
+
+      claim_window.ends_on = Date.parse("16 July 2024")
+
+      expect(claim_window).to be_invalid
+      expect(claim_window.errors[:ends_on]).to include("Enter a window closing date that is after the opening date")
+    end
+
+    it "validates that the duration of a claim window does not exceed a year" do
+      claim_window.starts_on = Date.parse("17 July 2024")
+      claim_window.ends_on = Date.parse("18 July 2025")
+
+      expect(claim_window).to be_invalid
+      expect(claim_window.errors[:base]).to include("Claim window must be shorter than an academic year")
+    end
+
+    context "with validating against existing claim windows" do
+      before do
+        create(:claim_window, starts_on: Date.parse("1 July 2024"), ends_on: Date.parse("31 July 2024"), academic_year:)
+      end
+
+      it "validates that the start date does not fall within an existing claim window" do
+        claim_window.starts_on = Date.parse("17 July 2024")
+        claim_window.ends_on = Date.parse("27 August 2024")
+
+        expect(claim_window).to be_invalid
+        expect(claim_window.errors[:starts_on]).to include("Select a date that is not within an existing claim window")
+      end
+
+      it "validates that the end date does not fall within an existing claim window" do
+        claim_window.starts_on = Date.parse("1 June 2024")
+        claim_window.ends_on = Date.parse("17 July 2024")
+
+        expect(claim_window).to be_invalid
+        expect(claim_window.errors[:ends_on]).to include("Select a date that is not within an existing claim window")
+      end
+    end
+  end
+
+  describe "#current?" do
+    it "returns true if the current date is inclusively within the starts on and ends on dates", freeze: "17 July 2024" do
+      on_start_date = build(:claim_window, starts_on: Date.parse("17 July 2024"), ends_on: Date.parse("27 July 2024"))
+      on_end_date = build(:claim_window, starts_on: Date.parse("7 July 2024"), ends_on: Date.parse("17 July 2024"))
+      in_between_dates = build(:claim_window, starts_on: Date.parse("7 July 2024"), ends_on: Date.parse("27 July 2024"))
+
+      expect(on_start_date.current?).to be(true)
+      expect(on_end_date.current?).to be(true)
+      expect(in_between_dates.current?).to be(true)
+    end
+
+    it "returns false if the current date is not inclusively within the starts on and ends on dates", freeze: "17 July 2024" do
+      before_start_date = build(:claim_window, starts_on: Date.parse("27 July 2024"), ends_on: Date.parse("28 July 2024"))
+      after_end_date = build(:claim_window, starts_on: Date.parse("15 July 2024"), ends_on: Date.parse("16 July 2024"))
+
+      expect(before_start_date.current?).to be(false)
+      expect(after_end_date.current?).to be(false)
+    end
+  end
+
+  describe ".find_by_date" do
+    it "returns a window that inclusively covers the date provided" do
+      previous_window = create(:claim_window, starts_on: Date.parse("7 July 2024"), ends_on: Date.parse("17 July 2024"), academic_year:)
+      current_window = create(:claim_window, starts_on: Date.parse("18 July 2024"), ends_on: Date.parse("27 July 2024"), academic_year:)
+      next_window = create(:claim_window, starts_on: Date.parse("28 July 2024"), ends_on: Date.parse("7 August 2024"), academic_year:)
+
+      expect(described_class.find_by_date(Date.parse("17 July 2024"))).to eq(previous_window)
+      expect(described_class.find_by_date(Date.parse("20 July 2024"))).to eq(current_window)
+      expect(described_class.find_by_date(Date.parse("28 July 2024"))).to eq(next_window)
+    end
+  end
+
+  describe ".current" do
+    it "returns the current window" do
+      _previous_window = create(:claim_window, starts_on: Date.parse("7 July 2024"), ends_on: Date.parse("17 July 2024"), academic_year:)
+      current_window = create(:claim_window, starts_on: Date.parse("18 July 2024"), ends_on: Date.parse("27 July 2024"), academic_year:)
+      _next_window = create(:claim_window, starts_on: Date.parse("28 July 2024"), ends_on: Date.parse("7 August 2024"), academic_year:)
+
+      expect(described_class.current).to eq(current_window)
+    end
+  end
+
+  describe ".previous" do
+    it "returns the most recently closed window" do
+      _old_window = create(:claim_window, starts_on: Date.parse("7 June 2024"), ends_on: Date.parse("1 July 2024"), academic_year:)
+      previous_window = create(:claim_window, starts_on: Date.parse("7 July 2024"), ends_on: Date.parse("17 July 2024"), academic_year:)
+      _current_window = create(:claim_window, starts_on: Date.parse("18 July 2024"), ends_on: Date.parse("27 July 2024"), academic_year:)
+      _next_window = create(:claim_window, starts_on: Date.parse("28 July 2024"), ends_on: Date.parse("7 August 2024"), academic_year:)
+
+      expect(described_class.previous).to eq(previous_window)
+    end
+  end
 end