page-count.test.ts•2.3 kB
/**
* @fileoverview Unit tests for page count utilities.
*/
import { describe, it, expect, vi, beforeEach } from "vitest"
import { calculatePhysicalSheets, shouldTriggerConfirmation } from "../../src/utils.js"
// Mock the config module
vi.mock("../../src/config.js", () => ({
config: {
confirmIfOverPages: 10, // Default test value
},
}))
describe("calculatePhysicalSheets", () => {
it("should return same count for single-sided printing", () => {
expect(calculatePhysicalSheets(10, false)).toBe(10)
expect(calculatePhysicalSheets(1, false)).toBe(1)
expect(calculatePhysicalSheets(100, false)).toBe(100)
})
it("should return half (rounded up) for duplex printing", () => {
expect(calculatePhysicalSheets(10, true)).toBe(5)
expect(calculatePhysicalSheets(11, true)).toBe(6)
expect(calculatePhysicalSheets(1, true)).toBe(1)
expect(calculatePhysicalSheets(2, true)).toBe(1)
expect(calculatePhysicalSheets(3, true)).toBe(2)
})
it("should handle edge cases", () => {
expect(calculatePhysicalSheets(0, false)).toBe(0)
expect(calculatePhysicalSheets(0, true)).toBe(0)
})
})
describe("shouldTriggerConfirmation", () => {
// Import the mocked config
let config: { confirmIfOverPages: number }
beforeEach(async () => {
// Get the mocked config
const configModule = await import("../../src/config.js")
config = configModule.config
// Reset to default test value
config.confirmIfOverPages = 10
})
it("should return false when threshold is 0 (disabled)", () => {
config.confirmIfOverPages = 0
expect(shouldTriggerConfirmation(1)).toBe(false)
expect(shouldTriggerConfirmation(100)).toBe(false)
expect(shouldTriggerConfirmation(1000)).toBe(false)
})
it("should return true when sheets exceed threshold", () => {
config.confirmIfOverPages = 10
expect(shouldTriggerConfirmation(11)).toBe(true)
expect(shouldTriggerConfirmation(100)).toBe(true)
expect(shouldTriggerConfirmation(1000)).toBe(true)
})
it("should return false when sheets are at or below threshold", () => {
config.confirmIfOverPages = 10
expect(shouldTriggerConfirmation(10)).toBe(false)
expect(shouldTriggerConfirmation(5)).toBe(false)
expect(shouldTriggerConfirmation(1)).toBe(false)
})
})