72 lines
1.7 KiB
TypeScript
72 lines
1.7 KiB
TypeScript
import { describe, expect, it } from "vitest"
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import { uniqueFilename } from "./uniqueFilename"
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describe("uniqueFilename", () => {
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it("returns basename.ext when nothing collides", () => {
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expect(
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uniqueFilename({
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basename: "myfile",
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extension: ".png",
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existingPaths: ["docs/notes/myfile.md"],
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directory: "docs/notes"
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})
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).toEqual("myfile.png")
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})
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it("appends -2 on first collision (skips -1)", () => {
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expect(
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uniqueFilename({
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basename: "myfile",
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extension: ".png",
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existingPaths: ["docs/notes/myfile.png"],
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directory: "docs/notes"
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})
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).toEqual("myfile-2.png")
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})
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it("appends -3 when both base and -2 exist", () => {
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expect(
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uniqueFilename({
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basename: "myfile",
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extension: ".png",
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existingPaths: ["docs/notes/myfile.png", "docs/notes/myfile-2.png"],
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directory: "docs/notes"
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})
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).toEqual("myfile-3.png")
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})
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it("fills gaps when -3 exists but -2 does not", () => {
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expect(
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uniqueFilename({
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basename: "myfile",
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extension: ".png",
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existingPaths: ["docs/notes/myfile.png", "docs/notes/myfile-3.png"],
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directory: "docs/notes"
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})
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).toEqual("myfile-2.png")
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})
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it("handles repo-root directory", () => {
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expect(
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uniqueFilename({
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basename: "myfile",
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extension: ".jpg",
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existingPaths: ["myfile.jpg"],
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directory: ""
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})
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).toEqual("myfile-2.jpg")
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})
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it("does not collide with a different extension", () => {
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expect(
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uniqueFilename({
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basename: "myfile",
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extension: ".png",
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existingPaths: ["docs/myfile.jpg"],
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directory: "docs"
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})
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).toEqual("myfile.png")
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})
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})
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