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| 1 | +import { describe, expect, it } from "@effect/vitest" |
| 2 | + |
| 3 | +import { installTerminalQuerySuppression, isTerminalColorQuery } from "../../src/web/terminal-query-suppression.js" |
| 4 | + |
| 5 | +type RegisteredOscHandler = { |
| 6 | + readonly identifier: number |
| 7 | + readonly callback: (data: string) => boolean |
| 8 | +} |
| 9 | + |
| 10 | +type CsiIdentifier = { readonly final: string; readonly prefix?: string } |
| 11 | + |
| 12 | +type RegisteredCsiHandler = { |
| 13 | + readonly identifier: CsiIdentifier |
| 14 | + readonly callback: () => boolean |
| 15 | +} |
| 16 | + |
| 17 | +const createMockTerminal = (): { |
| 18 | + readonly disposedCount: { value: number } |
| 19 | + readonly osc: ReadonlyArray<RegisteredOscHandler> |
| 20 | + readonly csi: ReadonlyArray<RegisteredCsiHandler> |
| 21 | + readonly terminal: { |
| 22 | + parser: { |
| 23 | + registerOscHandler: (id: number, cb: (data: string) => boolean) => { dispose: () => void } |
| 24 | + registerCsiHandler: (id: CsiIdentifier, cb: () => boolean) => { dispose: () => void } |
| 25 | + } |
| 26 | + } |
| 27 | +} => { |
| 28 | + const osc: Array<RegisteredOscHandler> = [] |
| 29 | + const csi: Array<RegisteredCsiHandler> = [] |
| 30 | + const disposedCount = { value: 0 } |
| 31 | + return { |
| 32 | + csi, |
| 33 | + disposedCount, |
| 34 | + osc, |
| 35 | + terminal: { |
| 36 | + parser: { |
| 37 | + registerCsiHandler: (identifier, callback) => { |
| 38 | + csi.push({ callback, identifier }) |
| 39 | + return { |
| 40 | + dispose: () => { |
| 41 | + disposedCount.value += 1 |
| 42 | + } |
| 43 | + } |
| 44 | + }, |
| 45 | + registerOscHandler: (identifier, callback) => { |
| 46 | + osc.push({ callback, identifier }) |
| 47 | + return { |
| 48 | + dispose: () => { |
| 49 | + disposedCount.value += 1 |
| 50 | + } |
| 51 | + } |
| 52 | + } |
| 53 | + } |
| 54 | + } |
| 55 | + } |
| 56 | +} |
| 57 | + |
| 58 | +describe("terminal query suppression", () => { |
| 59 | + it("detects color query payloads with the '?' placeholder", () => { |
| 60 | + expect(isTerminalColorQuery("?")).toBe(true) |
| 61 | + expect(isTerminalColorQuery("1;?")).toBe(true) |
| 62 | + expect(isTerminalColorQuery("?;1;2")).toBe(true) |
| 63 | + }) |
| 64 | + |
| 65 | + it("treats explicit color values as non-queries", () => { |
| 66 | + expect(isTerminalColorQuery("rgb:f4f4/f7f7/fbfb")).toBe(false) |
| 67 | + expect(isTerminalColorQuery("#1a2b3c")).toBe(false) |
| 68 | + expect(isTerminalColorQuery("1;rgb:00/00/00")).toBe(false) |
| 69 | + expect(isTerminalColorQuery("")).toBe(false) |
| 70 | + }) |
| 71 | + |
| 72 | + it("registers OSC color suppression handlers for 4, 10, 11, and 12", () => { |
| 73 | + const mock = createMockTerminal() |
| 74 | + installTerminalQuerySuppression(mock.terminal) |
| 75 | + expect(mock.osc.map((handler) => handler.identifier)).toEqual([4, 10, 11, 12]) |
| 76 | + }) |
| 77 | + |
| 78 | + it("registers CSI handlers for DA1, DA2, DA3, and CPR", () => { |
| 79 | + const mock = createMockTerminal() |
| 80 | + installTerminalQuerySuppression(mock.terminal) |
| 81 | + expect(mock.csi.map((handler) => handler.identifier)).toEqual([ |
| 82 | + { final: "c" }, |
| 83 | + { final: "c", prefix: ">" }, |
| 84 | + { final: "c", prefix: "=" }, |
| 85 | + { final: "n" }, |
| 86 | + { final: "n", prefix: "?" } |
| 87 | + ]) |
| 88 | + }) |
| 89 | + |
| 90 | + it("consumes OSC color query sequences and lets explicit set commands fall through", () => { |
| 91 | + const mock = createMockTerminal() |
| 92 | + installTerminalQuerySuppression(mock.terminal) |
| 93 | + const fgHandler = mock.osc.find((handler) => handler.identifier === 10) |
| 94 | + expect(fgHandler).toBeDefined() |
| 95 | + expect(fgHandler?.callback("?")).toBe(true) |
| 96 | + expect(fgHandler?.callback("rgb:1010/2020/3030")).toBe(false) |
| 97 | + }) |
| 98 | + |
| 99 | + it("always consumes CSI device attribute and cursor position queries", () => { |
| 100 | + const mock = createMockTerminal() |
| 101 | + installTerminalQuerySuppression(mock.terminal) |
| 102 | + for (const handler of mock.csi) { |
| 103 | + expect(handler.callback()).toBe(true) |
| 104 | + } |
| 105 | + }) |
| 106 | + |
| 107 | + it("disposes every registered handler when the suppression is disposed", () => { |
| 108 | + const mock = createMockTerminal() |
| 109 | + const suppression = installTerminalQuerySuppression(mock.terminal) |
| 110 | + suppression.dispose() |
| 111 | + expect(mock.disposedCount.value).toBe(mock.osc.length + mock.csi.length) |
| 112 | + }) |
| 113 | +}) |
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