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import { describe, expect, test } from "bun:test"
import { normalize, text } from "./session-diff"
describe("session diff", () => {
test("keeps unified patch content", () => {
const diff = {
file: "a.ts",
patch:
"Index: a.ts\n===================================================================\n--- a.ts\t\n+++ a.ts\t\n@@ -1,2 +1,2 @@\n one\n-two\n+three\n",
additions: 1,
deletions: 1,
status: "modified" as const,
}
const view = normalize(diff)
expect(view.patch).toBe(diff.patch)
expect(view.fileDiff.name).toBe("a.ts")
expect(text(view, "deletions")).toBe("one\ntwo\n")
expect(text(view, "additions")).toBe("one\nthree\n")
})
test("converts legacy content into a patch", () => {
const diff = {
file: "a.ts",
before: "one\n",
after: "two\n",
additions: 1,
deletions: 1,
status: "modified" as const,
}
const view = normalize(diff)
expect(view.patch).toContain("@@ -1,1 +1,1 @@")
expect(text(view, "deletions")).toBe("one\n")
expect(text(view, "additions")).toBe("two\n")
})
})
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