phase002 complete

spec/models/fuel_entry_spec.rb

@@ -0,0 +1,38 @@
+require "rails_helper"
+
+RSpec.describe FuelEntry do
+  it "has a valid factory" do
+    expect(build(:fuel_entry)).to be_valid
+  end
+
+  it "requires all fields" do
+    entry = build(
+      :fuel_entry,
+      vehicle: nil,
+      updated_by_user: nil,
+      odometer: nil,
+      gallons_pumped: nil,
+      price_paid: nil,
+      date: nil
+    )
+
+    expect(entry).not_to be_valid
+    expect(entry.errors.attribute_names).to include(:vehicle, :updated_by_user, :odometer, :gallons_pumped, :price_paid, :date)
+  end
+
+  it "requires valid numeric values" do
+    entry = build(:fuel_entry, odometer: -1, gallons_pumped: 0, price_paid: 0)
+
+    expect(entry).not_to be_valid
+    expect(entry.errors[:odometer]).to be_present
+    expect(entry.errors[:gallons_pumped]).to be_present
+    expect(entry.errors[:price_paid]).to be_present
+  end
+
+  it "rejects future dates" do
+    entry = build(:fuel_entry, date: Date.current + 1.day)
+
+    expect(entry).not_to be_valid
+    expect(entry.errors[:date]).to be_present
+  end
+end