opencode-claude-code-plugin/test-compaction-model.ts at master · flupkede/opencode-claude-code-plugin · GitHub

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import assert from "node:assert/strict"
import { test } from "node:test"
import {
  DEFAULT_COMPACTION_MODEL,
  resolveCompactionModel,
} from "./src/claude-code-language-model.js"

function withCompactionEnv<T>(value: string | undefined, fn: () => T): T {
  const previous = process.env.CLAUDE_CODE_COMPACTION_MODEL
  try {
    if (value === undefined) {
      delete process.env.CLAUDE_CODE_COMPACTION_MODEL
    } else {
      process.env.CLAUDE_CODE_COMPACTION_MODEL = value
    }
    return fn()
  } finally {
    if (previous === undefined) {
      delete process.env.CLAUDE_CODE_COMPACTION_MODEL
    } else {
      process.env.CLAUDE_CODE_COMPACTION_MODEL = previous
    }
  }
}

test("resolveCompactionModel falls back to default when nothing is set", () => {
  withCompactionEnv(undefined, () => {
    assert.equal(resolveCompactionModel(), DEFAULT_COMPACTION_MODEL)
    assert.equal(resolveCompactionModel(undefined), DEFAULT_COMPACTION_MODEL)
    assert.equal(resolveCompactionModel(""), DEFAULT_COMPACTION_MODEL)
    assert.equal(resolveCompactionModel("   "), DEFAULT_COMPACTION_MODEL)
  })
})

test("resolveCompactionModel uses configured value when env is unset", () => {
  withCompactionEnv(undefined, () => {
    assert.equal(resolveCompactionModel("claude-sonnet-4-6"), "claude-sonnet-4-6")
    assert.equal(resolveCompactionModel("  claude-opus-4-7  "), "claude-opus-4-7")
  })
})

test("CLAUDE_CODE_COMPACTION_MODEL env wins over configured value", () => {
  withCompactionEnv("claude-haiku-4-5", () => {
    assert.equal(resolveCompactionModel("claude-opus-4-7"), "claude-haiku-4-5")
  })
  withCompactionEnv("  claude-sonnet-4-6  ", () => {
    assert.equal(resolveCompactionModel("claude-opus-4-7"), "claude-sonnet-4-6")
  })
})

test("empty env var falls through to configured/default", () => {
  withCompactionEnv("", () => {
    assert.equal(resolveCompactionModel(), DEFAULT_COMPACTION_MODEL)
    assert.equal(resolveCompactionModel("claude-opus-4-7"), "claude-opus-4-7")
  })
  withCompactionEnv("   ", () => {
    assert.equal(resolveCompactionModel("claude-opus-4-7"), "claude-opus-4-7")
  })
})