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import { describe, expect, test } from "bun:test"
import { isNushell, mergeShellEnv, parseShellEnv } from "./shell-env"
describe("shell env", () => {
test("parseShellEnv supports null-delimited pairs", () => {
const env = parseShellEnv(Buffer.from("PATH=/usr/bin:/bin\0FOO=bar=baz\0\0"))
expect(env.PATH).toBe("/usr/bin:/bin")
expect(env.FOO).toBe("bar=baz")
})
test("parseShellEnv ignores invalid entries", () => {
const env = parseShellEnv(Buffer.from("INVALID\0=empty\0OK=1\0"))
expect(Object.keys(env).length).toBe(1)
expect(env.OK).toBe("1")
})
test("mergeShellEnv keeps explicit overrides", () => {
const env = mergeShellEnv(
{
PATH: "/shell/path",
HOME: "/tmp/home",
},
{
PATH: "/desktop/path",
OPENCODE_CLIENT: "desktop",
},
)
expect(env.PATH).toBe("/desktop/path")
expect(env.HOME).toBe("/tmp/home")
expect(env.OPENCODE_CLIENT).toBe("desktop")
})
test("isNushell handles path and binary name", () => {
expect(isNushell("nu")).toBe(true)
expect(isNushell("/opt/homebrew/bin/nu")).toBe(true)
expect(isNushell("C:\\Program Files\\nu.exe")).toBe(true)
expect(isNushell("/bin/zsh")).toBe(false)
})
})
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