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oh-my-pi/packages/coding-agent/test/settings-manager.test.ts
T

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TypeScript

import { afterEach, beforeEach, describe, expect, it } from "bun:test";
import * as fs from "node:fs";
import * as os from "node:os";
import * as path from "node:path";
import { Effort } from "@oh-my-pi/pi-ai";
import {
getDefault,
getEnumValues,
onAppendOnlyModeChanged,
onStatusLineSessionAccentChanged,
resetSettingsForTest,
type SettingPath,
Settings,
} from "@oh-my-pi/pi-coding-agent/config/settings";
import { getProjectAgentDir, Snowflake } from "@oh-my-pi/pi-utils";
import { YAML } from "bun";
import { beginSettingsTest, restoreSettingsTestState, type SettingsTestState } from "./helpers/settings-test-state";
describe("Settings", () => {
let settingsState: SettingsTestState | undefined;
let testDir = "";
let agentDir: string;
let projectDir: string;
beforeEach(() => {
settingsState = beginSettingsTest();
// Use snowflake to isolate parallel test runs (SQLite files can't be shared)
testDir = path.join(os.tmpdir(), "test-settings-tmp", Snowflake.next());
agentDir = path.join(testDir, "agent");
projectDir = path.join(testDir, "project");
if (fs.existsSync(testDir)) {
fs.rmSync(testDir, { recursive: true, force: true });
}
fs.mkdirSync(agentDir, { recursive: true });
fs.mkdirSync(getProjectAgentDir(projectDir), { recursive: true });
});
const getConfigPath = () => path.join(agentDir, "config.yml");
const writeSettings = async (settings: Record<string, unknown>) => {
await Bun.write(getConfigPath(), YAML.stringify(settings, null, 2));
};
const readSettings = async (): Promise<Record<string, unknown>> => {
const file = Bun.file(getConfigPath());
if (!(await file.exists())) return {};
const content = await file.text();
const parsed = YAML.parse(content);
if (!parsed || typeof parsed !== "object" || Array.isArray(parsed)) return {};
return parsed as Record<string, unknown>;
};
afterEach(() => {
restoreSettingsTestState(settingsState);
settingsState = undefined;
if (testDir && fs.existsSync(testDir)) {
fs.rmSync(testDir, { recursive: true, force: true });
}
testDir = "";
});
describe("defaults", () => {
it("keeps eight inline images live by default", async () => {
const settings = await Settings.init({ cwd: projectDir, agentDir });
expect(settings.get("tui.maxInlineImages")).toBe(8);
});
it("keeps the normal startup splash disabled by default", async () => {
const settings = await Settings.init({ cwd: projectDir, agentDir });
expect(settings.get("startup.showSplash")).toBe(false);
expect(getDefault("startup.showSplash")).toBe(false);
});
it("exposes all tool calling mode options", () => {
const values = getEnumValues("tools.format");
expect(values).toEqual([
"auto",
"native",
"glm",
"hermes",
"kimi",
"xml",
"anthropic",
"deepseek",
"harmony",
"pi",
"qwen3",
"gemini",
"gemma",
"minimax",
]);
});
});
describe("get()", () => {
it("resolves overrides, schema defaults, and falsey values", () => {
const isolated = Settings.isolated({
"display.showTokenUsage": false,
setupVersion: 0,
shellPath: "",
enabledModels: [],
});
expect(isolated.get("display.showTokenUsage")).toBe(false);
expect(isolated.get("setupVersion")).toBe(0);
expect(isolated.get("shellPath")).toBe("");
expect(isolated.get("enabledModels")).toEqual([]);
expect(isolated.get("tui.maxInlineImages")).toBe(getDefault("tui.maxInlineImages"));
});
it("invalidates cached resolved values after set, override, and clearOverride", () => {
const isolated = Settings.isolated();
expect(isolated.get("display.showTokenUsage")).toBe(false);
isolated.set("display.showTokenUsage", true);
expect(isolated.get("display.showTokenUsage")).toBe(true);
isolated.override("display.showTokenUsage", false);
expect(isolated.get("display.showTokenUsage")).toBe(false);
isolated.clearOverride("display.showTokenUsage");
expect(isolated.get("display.showTokenUsage")).toBe(true);
});
it("re-resolves path-scoped arrays when cwd changes", async () => {
const otherDir = path.join(testDir, "other-project");
fs.mkdirSync(otherDir, { recursive: true });
const settings = await Settings.init({
cwd: projectDir,
agentDir,
inMemory: true,
overrides: {
enabledModels: [
"always-model",
{ path: projectDir, models: ["project-model"] },
{ path: otherDir, models: ["other-model"] },
],
disabledProviders: [
"always-provider",
{ pathPrefix: projectDir, providers: ["project-provider"] },
{ pathPrefix: otherDir, providers: ["other-provider"] },
],
},
});
expect(settings.get("enabledModels")).toEqual(["always-model", "project-model"]);
expect(settings.get("disabledProviders")).toEqual(["always-provider", "project-provider"]);
await settings.reloadForCwd(otherDir);
expect(settings.get("enabledModels")).toEqual(["always-model", "other-model"]);
expect(settings.get("disabledProviders")).toEqual(["always-provider", "other-provider"]);
});
it("migrates legacy snapcompact system prompt booleans to scoped modes", () => {
expect(Settings.isolated({ "snapcompact.systemPrompt": true }).get("snapcompact.systemPrompt")).toBe("all");
const nestedLegacy = { snapcompact: { systemPrompt: false } } as Partial<Record<SettingPath, unknown>>;
expect(Settings.isolated(nestedLegacy).get("snapcompact.systemPrompt")).toBe("none");
});
});
describe("statusLine.sessionAccent hooks", () => {
it("notifies subscribers only when the effective value changes", () => {
const isolated = Settings.isolated();
const values: boolean[] = [];
const unsubscribe = onStatusLineSessionAccentChanged(() => {
values.push(isolated.get("statusLine.sessionAccent"));
});
try {
isolated.set("statusLine.sessionAccent", true);
expect(values).toEqual([]);
isolated.set("statusLine.sessionAccent", false);
expect(values).toEqual([false]);
isolated.override("statusLine.sessionAccent", false);
expect(values).toEqual([false]);
isolated.override("statusLine.sessionAccent", true);
expect(values).toEqual([false, true]);
isolated.clearOverride("statusLine.sessionAccent");
expect(values).toEqual([false, true, false]);
} finally {
unsubscribe();
}
isolated.set("statusLine.sessionAccent", true);
expect(values).toEqual([false, true, false]);
});
});
describe("provider.appendOnlyContext hooks", () => {
it("isolates a throwing listener so the rest still receive the value", () => {
const isolated = Settings.isolated();
const received: string[] = [];
const unsubscribeThrower = onAppendOnlyModeChanged(() => {
throw new Error("boom");
});
const unsubscribeOk = onAppendOnlyModeChanged(value => {
received.push(value);
});
try {
expect(() => isolated.set("provider.appendOnlyContext", "on")).not.toThrow();
expect(received).toEqual(["on"]);
} finally {
unsubscribeThrower();
unsubscribeOk();
}
});
});
// Tests that SettingsManager merges with DB state on save rather than blindly overwriting.
// This ensures external edits (via AgentStorage directly) aren't lost when the app saves.
describe("preserves externally added settings", () => {
it("should preserve enabledModels when changing thinking level", async () => {
// Seed initial settings in config.yml
await writeSettings({
theme: "dark",
modelRoles: { default: "claude-sonnet" },
});
// Settings loads the initial state
const settings = await Settings.init({ cwd: projectDir, agentDir });
// Simulate external edit (e.g., user modifying DB directly or another process)
await writeSettings({
theme: { dark: "anthracite" },
modelRoles: { default: "claude-sonnet" },
enabledModels: ["claude-opus-4-5", "gpt-5.2-codex"],
});
// Settings saves a change - should merge, not overwrite
settings.set("defaultThinkingLevel", Effort.High);
await settings.flush();
const savedSettings = await readSettings();
expect(savedSettings.enabledModels).toEqual(["claude-opus-4-5", "gpt-5.2-codex"]);
expect(savedSettings.defaultThinkingLevel).toBe(Effort.High);
expect(savedSettings.theme).toEqual({ dark: "anthracite" });
expect((savedSettings.modelRoles as { default?: string } | undefined)?.default).toBe("claude-sonnet");
});
it("filters model allow-list and disabled providers by current path prefix", async () => {
const workDir = path.join(projectDir, "work", "service");
const privateDir = path.join(projectDir, "private", "app");
fs.mkdirSync(workDir, { recursive: true });
fs.mkdirSync(privateDir, { recursive: true });
await writeSettings({
enabledModels: [
"claude-sonnet-4-5",
{ path: path.join(projectDir, "work"), values: ["anthropic/claude-opus-4-5"] },
{ path: path.join(projectDir, "private"), values: ["openai/gpt-5.2-codex"] },
],
disabledProviders: [
"ollama",
{ path: path.join(projectDir, "work"), values: ["openai"] },
{ path: path.join(projectDir, "private"), values: ["anthropic"] },
],
});
const workSettings = await Settings.init({ cwd: workDir, agentDir });
expect(workSettings.get("enabledModels")).toEqual(["claude-sonnet-4-5", "anthropic/claude-opus-4-5"]);
expect(workSettings.get("disabledProviders")).toEqual(["ollama", "openai"]);
resetSettingsForTest();
const privateSettings = await Settings.init({ cwd: privateDir, agentDir });
expect(privateSettings.get("enabledModels")).toEqual(["claude-sonnet-4-5", "openai/gpt-5.2-codex"]);
expect(privateSettings.get("disabledProviders")).toEqual(["ollama", "anthropic"]);
});
it("should preserve custom settings when changing theme", async () => {
await writeSettings({
modelRoles: { default: "claude-sonnet" },
});
const settings = await Settings.init({ cwd: projectDir, agentDir });
await writeSettings({
modelRoles: { default: "claude-sonnet" },
shellPath: "/bin/zsh",
extensions: ["/path/to/extension.ts"],
});
settings.set("theme.dark", "anthracite");
await settings.flush();
const savedSettings = await readSettings();
expect(savedSettings.shellPath).toBe("/bin/zsh");
expect(savedSettings.extensions).toEqual(["/path/to/extension.ts"]);
expect(savedSettings.theme).toEqual({ dark: "anthracite" });
});
it("should let in-memory changes override file changes for same key", async () => {
await writeSettings({
theme: { dark: "anthracite" },
});
const settings = await Settings.init({ cwd: projectDir, agentDir });
await writeSettings({
theme: { dark: "anthracite" },
defaultThinkingLevel: Effort.Low,
});
settings.set("defaultThinkingLevel", Effort.High);
await settings.flush();
const savedSettings = await readSettings();
expect(savedSettings.defaultThinkingLevel).toBe(Effort.High);
});
});
describe("model role overrides", () => {
it("does not persist temporary default model overrides when another role is saved", async () => {
await writeSettings({
modelRoles: { default: "anthropic/claude-sonnet-4-5" },
});
const settings = await Settings.init({ cwd: projectDir, agentDir });
settings.overrideModelRoles({ default: "openai/gpt-5.2-codex" });
expect(settings.getModelRole("default")).toBe("openai/gpt-5.2-codex");
settings.setModelRole("smol", "anthropic/claude-haiku-4-5");
await settings.flush();
const savedSettings = await readSettings();
expect(savedSettings.modelRoles).toEqual({
default: "anthropic/claude-sonnet-4-5",
smol: "anthropic/claude-haiku-4-5",
});
expect(settings.getModelRole("default")).toBe("openai/gpt-5.2-codex");
expect(settings.getModelRole("smol")).toBe("anthropic/claude-haiku-4-5");
});
it("restores persisted model roles after clearing runtime overrides", async () => {
await writeSettings({
modelRoles: { default: "anthropic/claude-sonnet-4-5" },
});
const settings = await Settings.init({ cwd: projectDir, agentDir });
settings.overrideModelRoles({ default: "openai/gpt-5.2-codex" });
expect(settings.getModelRole("default")).toBe("openai/gpt-5.2-codex");
settings.clearOverride("modelRoles");
expect(settings.getModelRole("default")).toBe("anthropic/claude-sonnet-4-5");
});
it("keeps the live role value aligned when saving over a runtime override", () => {
const settings = Settings.isolated({
modelRoles: { default: "anthropic/claude-sonnet-4-5" },
});
settings.overrideModelRoles({ default: "openai/gpt-5.2-codex" });
settings.setModelRole("default", "anthropic/claude-opus-4-5");
expect(settings.getModelRole("default")).toBe("anthropic/claude-opus-4-5");
settings.clearOverride("modelRoles");
expect(settings.getModelRole("default")).toBe("anthropic/claude-opus-4-5");
});
});
describe("migrations", () => {
it("maps removed atom edit mode settings to hashline", async () => {
await writeSettings({
edit: {
mode: "atom",
modelVariants: {
"claude-opus": "atom",
"gpt-5": "apply_patch",
},
},
});
const settings = await Settings.init({ cwd: projectDir, agentDir });
expect(settings.get("edit.mode")).toBe("hashline");
expect(settings.getEditVariantForModel("claude-opus-4-5")).toBe("hashline");
expect(settings.getEditVariantForModel("gpt-5.2")).toBe("apply_patch");
});
it("maps legacy hindsight.dynamicBankId=true onto hindsight.scoping=per-project", async () => {
await writeSettings({
hindsight: { dynamicBankId: true },
});
const settings = await Settings.init({ cwd: projectDir, agentDir });
expect(settings.get("hindsight.scoping")).toBe("per-project");
});
it("does not override an explicit hindsight.scoping when migrating", async () => {
await writeSettings({
hindsight: { dynamicBankId: true, scoping: "global" },
});
const settings = await Settings.init({ cwd: projectDir, agentDir });
expect(settings.get("hindsight.scoping")).toBe("global");
});
it("promotes legacy hindsight.agentName onto hindsight.bankId when bankId is unset", async () => {
await writeSettings({
hindsight: { agentName: "ada-cli" },
});
const settings = await Settings.init({ cwd: projectDir, agentDir });
expect(settings.get("hindsight.bankId")).toBe("ada-cli");
});
it("migrates the legacy mnemosyne memory backend to mnemopi", async () => {
await writeSettings({
memory: { backend: "mnemosyne" },
mnemosyne: { dbPath: "/tmp/old.db", scoping: "global" },
});
const settings = await Settings.init({ cwd: projectDir, agentDir });
expect(settings.get("memory.backend")).toBe("mnemopi");
expect(settings.get("mnemopi.dbPath")).toBe("/tmp/old.db");
expect(settings.get("mnemopi.scoping")).toBe("global");
});
it("does not clobber an explicit mnemopi block when the legacy mnemosyne block is also present", async () => {
await writeSettings({
mnemosyne: { dbPath: "/tmp/old.db" },
mnemopi: { dbPath: "/tmp/new.db" },
});
const settings = await Settings.init({ cwd: projectDir, agentDir });
expect(settings.get("mnemopi.dbPath")).toBe("/tmp/new.db");
});
it("migrates boolean task.eager/todo.eager true to always", async () => {
await writeSettings({
task: { eager: true },
todo: { eager: true },
});
const settings = await Settings.init({ cwd: projectDir, agentDir });
// `true` reproduced the previous "on" behavior, now `always`.
expect(settings.get("task.eager")).toBe("always");
expect(settings.get("todo.eager")).toBe("always");
});
it("migrates boolean task.eager/todo.eager false to default", async () => {
await writeSettings({
task: { eager: false },
todo: { eager: false },
});
const settings = await Settings.init({ cwd: projectDir, agentDir });
// Load-bearing direction: consumers treat any non-`default` value as enabled
// (`false !== "default"`), so an un-coerced boolean `false` would read as ON.
expect(settings.get("task.eager")).toBe("default");
expect(settings.get("todo.eager")).toBe("default");
});
it("moves legacy lastChangelogVersion out of config.yml into the marker file", async () => {
await writeSettings({ lastChangelogVersion: "0.40.0" });
const settings = await Settings.init({ cwd: projectDir, agentDir });
// Marker seeded from the legacy key.
expect(fs.readFileSync(path.join(agentDir, "last-changelog-version"), "utf8")).toBe("0.40.0");
// Key stripped from config.yml on the next save.
settings.set("display.showTokenUsage", true);
await settings.flush();
const onDisk = await readSettings();
expect("lastChangelogVersion" in onDisk).toBe(false);
expect((onDisk.display as Record<string, unknown>).showTokenUsage).toBe(true);
});
it("never clobbers an existing marker with the legacy config value", async () => {
fs.writeFileSync(path.join(agentDir, "last-changelog-version"), "0.41.0");
await writeSettings({ lastChangelogVersion: "0.40.0" });
await Settings.init({ cwd: projectDir, agentDir });
expect(fs.readFileSync(path.join(agentDir, "last-changelog-version"), "utf8")).toBe("0.41.0");
});
it("migrates from settings.json containing comments", async () => {
const jsonPath = path.join(agentDir, "settings.json");
await fs.promises.writeFile(
jsonPath,
`{
// This is a comment
"display": {
/* Multiline comment */
"showTokenUsage": true
}
}`,
);
const settings = await Settings.init({ cwd: projectDir, agentDir });
expect(settings.get("display.showTokenUsage")).toBe(true);
expect(fs.existsSync(jsonPath)).toBe(false);
expect(fs.existsSync(`${jsonPath}.bak`)).toBe(true);
});
});
});