test(intg): ensure entry and evaluation screens

src/components/CalculatorContainer.test.ts

@@ -5,7 +5,8 @@ import Component from "./CalculatorContainer.vue"
 describe("Component: CalculatorContainer", () => {
 	it("can evaluate a proper expression", async() => {
 		const wrapper = mount(Component)
-		const calculatorScreen = wrapper.find(".evaluation-screen").element as HTMLInputElement
+		const evaluationScrn = wrapper.find(".evaluation-screen").element as HTMLInputElement
+		const entryScrn = wrapper.find(".entry-screen").element as HTMLInputElement
 
 		const wrapperInternals = wrapper.vm as any
 		const evaluateExpressionSpy = vitest.spyOn(wrapperInternals, "evaluateExpression")
@@ -14,23 +15,24 @@ describe("Component: CalculatorContainer", () => {
 		const digitalBtns = wrapper.findAll(".digital-button")
 		const [digital1Btn] = digitalBtns.filter(btn => btn.text() === "1")
 		await digital1Btn.trigger("click")
-		expect(calculatorScreen.value).toEqual("1")
+		expect(entryScrn.value).toEqual("1")
+		expect(evaluationScrn.value).toEqual("")
 
 		// Find the Addition button and click it
 		const operationalBtns = wrapper.findAll(".operational-button")
 		const [additionBtn] =  operationalBtns.filter(btn => btn.text() === "+")
 		await additionBtn.trigger("click")
-		expect(calculatorScreen.value).toEqual("1 +")
+		expect(evaluationScrn.value).toEqual("1 +")
 
 		// click digit "1" button again
 		await digital1Btn.trigger("click")
-		expect(calculatorScreen.value).toEqual("1 + 1")
+		expect(entryScrn.value).toEqual("1")
 
-		// Find the Equal button and click it
+		// // Find the Equal button and click it
 		const evaluationBtns = wrapper.findAll(".evaluation-button")
 		const [equalBtn] =  evaluationBtns.filter(btn => btn.text() === "=")
 		await equalBtn.trigger("click")
-		expect(calculatorScreen.value).toEqual("1 + 1 =")
+		expect(evaluationScrn.value).toEqual("1 + 1 =")
 
 		expect(evaluateExpressionSpy).toHaveReturnedWith(2)
 	})