Phoenix: Add generated tests for app/models/product*.rb

phoenix-tests/unit/tests/app/models/product_drive_participant_spec.rb

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+
+require "rails_helper"
+
+RSpec.describe ProductDriveParticipant do
+describe '#volume' do
+  let(:product_drive_participant) { create(:product_drive_participant) }
+  let(:donation_with_no_line_items) { build(:donation, line_items: [], product_drive_participant: product_drive_participant) }
+  let(:donation_with_zero_total_line_items) { build(:donation, line_items: [build(:line_item, quantity: 0)], product_drive_participant: product_drive_participant) }
+  let(:donation_with_positive_totals) { build(:donation, line_items: [build(:line_item, quantity: 5)], product_drive_participant: product_drive_participant) }
+  let(:donation_with_negative_totals) { build(:donation, line_items: [build(:line_item, quantity: -5)], product_drive_participant: product_drive_participant) }
+  let(:donation_with_mixed_totals) { build(:donation, line_items: [build(:line_item, quantity: 5), build(:line_item, quantity: -5), build(:line_item, quantity: 0)], product_drive_participant: product_drive_participant) }
+
+  it 'returns zero when there are no donations' do
+    allow(product_drive_participant).to receive(:donations).and_return([])
+    expect(product_drive_participant.volume).to eq(0)
+  end
+
+  it 'returns zero when donations have no line items' do
+    allow(product_drive_participant).to receive(:donations).and_return([donation_with_no_line_items])
+    expect(product_drive_participant.volume).to eq(0)
+  end
+
+  it 'returns zero when all line items have zero total' do
+    allow(product_drive_participant).to receive(:donations).and_return([donation_with_zero_total_line_items])
+    expect(product_drive_participant.volume).to eq(0)
+  end
+
+  it 'sums up positive totals correctly' do
+    allow(product_drive_participant).to receive(:donations).and_return([donation_with_positive_totals])
+    expect(product_drive_participant.volume).to eq(5)
+  end
+
+  it 'sums up negative totals correctly' do
+    allow(product_drive_participant).to receive(:donations).and_return([donation_with_negative_totals])
+    expect(product_drive_participant.volume).to eq(-5)
+  end
+
+  it 'handles a mix of positive, negative, and zero totals correctly' do
+    allow(product_drive_participant).to receive(:donations).and_return([donation_with_mixed_totals])
+    expect(product_drive_participant.volume).to eq(0)
+  end
+end
+describe '#donation_source_view', :phoenix do
+  let(:product_drive_participant) { build(:product_drive_participant, contact_name: contact_name) }
+
+  context 'when contact_name is blank' do
+    let(:contact_name) { '' }
+
+    it 'returns nil' do
+      expect(product_drive_participant.donation_source_view).to be_nil
+    end
+  end
+
+  context 'when contact_name is present' do
+    let(:contact_name) { 'Don Draper' }
+
+    it 'returns the contact name with (participant)' do
+      expect(product_drive_participant.donation_source_view).to eq('Don Draper (participant)')
+    end
+  end
+end
+describe '#volume' do
+  let(:product_drive_participant) { create(:product_drive_participant) }
+  let(:donation_with_no_line_items) { build(:donation, line_items: [], product_drive_participant: product_drive_participant) }
+  let(:donation_with_zero_total_line_items) { build(:donation, line_items: [build(:line_item, quantity: 0)], product_drive_participant: product_drive_participant) }
+  let(:donation_with_positive_totals) { build(:donation, line_items: [build(:line_item, quantity: 5)], product_drive_participant: product_drive_participant) }
+  let(:donation_with_negative_totals) { build(:donation, line_items: [build(:line_item, quantity: -5)], product_drive_participant: product_drive_participant) }
+  let(:donation_with_mixed_totals) { build(:donation, line_items: [build(:line_item, quantity: 5), build(:line_item, quantity: -5), build(:line_item, quantity: 0)], product_drive_participant: product_drive_participant) }
+
+  it 'returns zero when there are no donations' do
+    allow(product_drive_participant).to receive(:donations).and_return([])
+    expect(product_drive_participant.volume).to eq(0)
+  end
+
+  it 'returns zero when donations have no line items' do
+    allow(product_drive_participant).to receive(:donations).and_return([donation_with_no_line_items])
+    expect(product_drive_participant.volume).to eq(0)
+  end
+
+  it 'returns zero when all line items have zero total' do
+    allow(product_drive_participant).to receive(:donations).and_return([donation_with_zero_total_line_items])
+    expect(product_drive_participant.volume).to eq(0)
+  end
+
+  it 'sums up positive totals correctly' do
+    allow(product_drive_participant).to receive(:donations).and_return([donation_with_positive_totals])
+    expect(product_drive_participant.volume).to eq(5)
+  end
+
+  it 'sums up negative totals correctly' do
+    allow(product_drive_participant).to receive(:donations).and_return([donation_with_negative_totals])
+    expect(product_drive_participant.volume).to eq(-5)
+  end
+
+  it 'handles a mix of positive, negative, and zero totals correctly' do
+    allow(product_drive_participant).to receive(:donations).and_return([donation_with_mixed_totals])
+    expect(product_drive_participant.volume).to eq(0)
+  end
+end
+describe '#volume_by_product_drive', :phoenix do
+  let(:product_drive) { create(:product_drive) }
+  let(:product_drive_participant) { create(:product_drive_participant) }
+
+  context 'when there are no donations' do
+    it 'returns 0' do
+      expect(product_drive_participant.volume_by_product_drive(product_drive.id)).to eq(0)
+    end
+  end
+
+  context 'when donations have no line items' do
+    let!(:donation) { create(:product_drive_donation, product_drive: product_drive, product_drive_participant: product_drive_participant) }
+
+    it 'returns 0' do
+      expect(product_drive_participant.volume_by_product_drive(product_drive.id)).to eq(0)
+    end
+  end
+
+  context 'when donations have line items' do
+    let!(:donation) { create(:product_drive_donation, :with_items, product_drive: product_drive, product_drive_participant: product_drive_participant, item_quantity: 5) }
+
+    it 'calculates the total volume correctly for donations with line items' do
+      expect(product_drive_participant.volume_by_product_drive(product_drive.id)).to eq(5)
+    end
+  end
+
+  describe 'when there are multiple product drives' do
+    let(:another_product_drive) { create(:product_drive) }
+    let!(:donation_for_another_drive) { create(:product_drive_donation, :with_items, product_drive: another_product_drive, product_drive_participant: product_drive_participant, item_quantity: 3) }
+    let!(:donation_for_specified_drive) { create(:product_drive_donation, :with_items, product_drive: product_drive, product_drive_participant: product_drive_participant, item_quantity: 2) }
+
+    it 'only sums line items for the specified product drive' do
+      expect(product_drive_participant.volume_by_product_drive(product_drive.id)).to eq(2)
+    end
+  end
+end
+end