feat: move terminal settings, look and ssh tools into ssh-terminal plugin

plugins/ssh-terminal/tests/backend/terminal-settings.test.ts

@@ -0,0 +1,72 @@
+import { describe, expect, it } from "vitest";
+import {
+  DEFAULT_HOST_TERMINAL_SETTINGS,
+  hostSettingsFromTerminalConfig,
+  readHostTerminalSettings,
+  readUserSettings,
+  resolveTerminalSettings,
+} from "../../src/shared/terminal-settings";
+
+describe("hostSettingsFromTerminalConfig", () => {
+  it("keeps behavior and leaves a look-less host following the user", () => {
+    expect(
+      hostSettingsFromTerminalConfig({
+        autoMosh: true,
+        fastScrollModifier: "ctrl",
+        keepaliveInterval: 5,
+      }),
+    ).toEqual({ autoMosh: true, fastScrollModifier: "ctrl" });
+  });
+
+  it("drops values a select field would refuse", () => {
+    expect(
+      hostSettingsFromTerminalConfig({ bellStyle: "loud", cursorStyle: "bar" }),
+    ).toEqual({ inheritAppearance: false, cursorStyle: "bar" });
+  });
+
+  it("reads nothing from garbage", () => {
+    expect(hostSettingsFromTerminalConfig("{")).toEqual({});
+  });
+});
+
+describe("resolveTerminalSettings", () => {
+  it("uses the user's defaults while the host follows them", () => {
+    const host = readHostTerminalSettings({ fontSize: 30, autoTmux: true });
+    const resolved = resolveTerminalSettings(host, { fontSize: 18 });
+    expect(resolved.fontSize).toBe(18);
+    expect(resolved.autoTmux).toBe(true);
+  });
+
+  it("uses the host's own look once it opts out", () => {
+    const host = readHostTerminalSettings({
+      inheritAppearance: false,
+      fontSize: 30,
+    });
+    expect(resolveTerminalSettings(host, { fontSize: 18 }).fontSize).toBe(30);
+  });
+
+  it("falls back to the built-in defaults", () => {
+    expect(resolveTerminalSettings(null).theme).toBe(
+      DEFAULT_HOST_TERMINAL_SETTINGS.theme,
+    );
+  });
+});
+
+describe("readUserSettings", () => {
+  it("types what it reads and drops broken saved themes", () => {
+    expect(
+      readUserSettings({
+        terminalDefaults: { fontSize: "16", junk: 1 },
+        customThemes: [{ id: "a", name: "A", colors: {} }, { id: 1 }],
+        localEcho: "sideways",
+        linkClickBehavior: "direct",
+      }),
+    ).toEqual({
+      terminalDefaults: { fontSize: 16 },
+      customThemes: [{ id: "a", name: "A", colors: {} }],
+      commandAutocomplete: false,
+      localEcho: "auto",
+      linkClickBehavior: "direct",
+    });
+  });
+});