phase002 complete

spec/models/vehicle_spec.rb

@@ -0,0 +1,89 @@
+require "rails_helper"
+
+RSpec.describe Vehicle do
+  it "has a valid factory" do
+    expect(build(:vehicle)).to be_valid
+  end
+
+  it "defaults to active" do
+    expect(described_class.new.active).to be(true)
+  end
+
+  it "requires all fields" do
+    vehicle = build(
+      :vehicle,
+      make: nil,
+      model: nil,
+      year: nil,
+      color: nil,
+      vin: nil,
+      licence_plate: nil,
+      current_odometer: nil,
+      fuel_tank_size: nil,
+      active: nil
+    )
+
+    expect(vehicle).not_to be_valid
+    expect(vehicle.errors.attribute_names).to include(
+      :make,
+      :model,
+      :year,
+      :color,
+      :vin,
+      :licence_plate,
+      :current_odometer,
+      :fuel_tank_size,
+      :active
+    )
+  end
+
+  it "normalizes VIN to uppercase" do
+    vehicle = build(:vehicle, vin: "abc123")
+
+    vehicle.valid?
+
+    expect(vehicle.vin).to eq("ABC123")
+  end
+
+  it "requires VIN to be unique after normalization" do
+    create(:vehicle, vin: "ABC123")
+
+    vehicle = build(:vehicle, vin: "abc123")
+
+    expect(vehicle).not_to be_valid
+    expect(vehicle.errors[:vin]).to be_present
+  end
+
+  it "requires licence plate to be unique case-insensitively" do
+    create(:vehicle, licence_plate: "ABC123")
+
+    vehicle = build(:vehicle, licence_plate: "abc123")
+
+    expect(vehicle).not_to be_valid
+    expect(vehicle.errors[:licence_plate]).to be_present
+  end
+
+  it "requires a realistic year" do
+    too_old = build(:vehicle, year: 1979)
+    future = build(:vehicle, year: Date.current.year + 1)
+
+    expect(too_old).not_to be_valid
+    expect(future).not_to be_valid
+  end
+
+  it "requires numeric mileage and fuel tank values" do
+    vehicle = build(:vehicle, current_odometer: -1, fuel_tank_size: 0)
+
+    expect(vehicle).not_to be_valid
+    expect(vehicle.errors[:current_odometer]).to be_present
+    expect(vehicle.errors[:fuel_tank_size]).to be_present
+  end
+
+  it "cannot be destroyed when entries reference it" do
+    vehicle = create(:vehicle)
+    create(:maintenance_schedule, vehicle: vehicle)
+
+    expect(vehicle.destroy).to be(false)
+    expect(vehicle.errors[:base]).to be_present
+  end
+end