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NetMesh/components/terminalLayer/terminalThemePreview.test.ts

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import assert from "node:assert/strict";
import test from "node:test";
import {
emptyTerminalThemePreview,
listThemePreviewSessionIds,
resolvePaneThemePreviewId,
} from "./terminalThemePreview";
const preview = {
targetSessionId: "session-a",
targetHostId: "host-1",
globalPreview: false,
themeId: "dracula",
};
test("follow-app mode never applies per-pane theme preview ids", () => {
assert.equal(
resolvePaneThemePreviewId(true, preview, "session-a", "host-1"),
undefined,
);
});
test("host-scoped preview applies to every session on the same host", () => {
assert.equal(
resolvePaneThemePreviewId(false, preview, "session-b", "host-1"),
"dracula",
);
assert.equal(
resolvePaneThemePreviewId(false, preview, "session-c", "host-2"),
undefined,
);
});
test("global preview applies to all sessions", () => {
const globalPreview = { ...preview, globalPreview: true, targetHostId: null };
assert.equal(
resolvePaneThemePreviewId(false, globalPreview, "session-z", "host-9"),
"dracula",
);
});
test("listThemePreviewSessionIds skips follow-app previews", () => {
const sessions = [{ id: "session-a" }, { id: "session-b" }];
const sessionHostsMap = new Map([
["session-a", { id: "host-1" }],
["session-b", { id: "host-1" }],
]);
assert.deepEqual(
listThemePreviewSessionIds(sessions, sessionHostsMap, preview, true),
[],
);
assert.deepEqual(
listThemePreviewSessionIds(sessions, sessionHostsMap, preview, false),
["session-a", "session-b"],
);
});
test("emptyTerminalThemePreview returns a cleared preview state", () => {
assert.deepEqual(emptyTerminalThemePreview(), {
targetSessionId: null,
targetHostId: null,
globalPreview: false,
themeId: null,
});
});