can1357
2d7cd6d2de
- Replaced bare `A B` range headers with `replace N..M:`, `delete N..M`, `insert before N:`, `insert after N:`, `insert head:`, and `insert tail:`. - Removed `&A..B` repeat rows; insert-before/after ops now express the same intent explicitly. - Empty replace bodies now error instead of deleting; `delete` is the canonical deletion op. - Updated grammar, prompt, docs, tests, and all call sites to the new syntax.
64 lines
2.2 KiB
TypeScript
64 lines
2.2 KiB
TypeScript
import { describe, expect, it } from "bun:test";
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import { applyEdits, parsePatch, parsePatchStreaming } from "@oh-my-pi/hashline";
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function applyPatch(text: string, diff: string): string {
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return applyEdits(text, parsePatch(diff).edits).text;
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}
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describe("hashline format v4", () => {
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it("replaces a concrete range with literal body rows in textual order", () => {
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const text = "a\nb\nc";
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const diff = ["replace 2..2:", "+before", "+after"].join("\n");
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expect(applyPatch(text, diff)).toBe("a\nbefore\nafter\nc");
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});
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it("deletes a single source line", () => {
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const text = "a\nb\nc";
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expect(applyPatch(text, "delete 2")).toBe("a\nc");
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});
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it("deletes a concrete range", () => {
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const text = "a\nb\nc\nd";
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expect(applyPatch(text, "delete 2..3")).toBe("a\nd");
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});
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it("inserts before and after concrete anchors", () => {
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const text = "a\nb\nc";
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const diff = ["insert before 2:", "+before", "insert after 2:", "+after"].join("\n");
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expect(applyPatch(text, diff)).toBe("a\nbefore\nb\nafter\nc");
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});
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it("inserts at head and tail", () => {
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const text = "a\nb";
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expect(applyPatch(text, "insert head:\n+HEAD")).toBe("HEAD\na\nb");
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expect(applyPatch(text, "insert tail:\n+TAIL")).toBe("a\nb\nTAIL");
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});
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it("rejects empty body-bearing hunks", () => {
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expect(() => parsePatch("replace 2..2:")).toThrow(/needs at least one/);
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expect(() => parsePatch("insert head:")).toThrow(/needs at least one/);
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});
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it("rejects body rows under delete", () => {
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expect(() => parsePatch("delete 2\n+replacement")).toThrow(/does not take body rows/);
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});
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it("auto-pipes bare body rows as literal text", () => {
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const text = "a\nb\nc";
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expect(applyPatch(text, "replace 2..2:\nraw")).toBe("a\nraw\nc");
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const { warnings } = parsePatch("replace 2..2:\nraw");
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expect(warnings.some(w => /Auto-prefixed bare body row/.test(w))).toBe(true);
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});
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it("validates insert anchors against file bounds", () => {
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const edits = parsePatch("insert before 4:\n+x").edits;
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expect(() => applyEdits("a\nb", edits)).toThrow(/Line 4 does not exist/);
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});
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it("does not flush a streaming pending empty replace block", () => {
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const result = parsePatchStreaming("replace 5..5:\n");
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expect(result.edits).toEqual([]);
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});
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});
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