feat: make each plugin an npm workspace built by a termix-plugin CLI

plugins/remote-desktop/tests/frontend/guacamole-display-size.test.ts

@@ -0,0 +1,67 @@
+import { describe, expect, it } from "vitest";
+import {
+  getGuacamoleDisplaySize,
+  readConfiguredDimension,
+} from "../../src/frontend/guacamole-display-size";
+
+describe("getGuacamoleDisplaySize", () => {
+  it("requests native pixels and matching DPI for HiDPI RDP", () => {
+    expect(getGuacamoleDisplaySize(1280, 720, "rdp", 2)).toEqual({
+      width: 2560,
+      height: 1440,
+      dpi: 192,
+      pixelRatio: 2,
+    });
+  });
+
+  it("scales a configured RDP DPI with the device pixel ratio", () => {
+    expect(getGuacamoleDisplaySize(1000, 600, "rdp", 1.5, 120)).toEqual({
+      width: 1500,
+      height: 900,
+      dpi: 180,
+      pixelRatio: 1.5,
+    });
+  });
+
+  it("leaves non-RDP protocols at CSS-pixel dimensions", () => {
+    expect(getGuacamoleDisplaySize(1280, 720, "vnc", 2)).toEqual({
+      width: 1280,
+      height: 720,
+      pixelRatio: 1,
+    });
+  });
+
+  it("caps pathological pixel ratios to protect remote session size", () => {
+    expect(getGuacamoleDisplaySize(400, 800, "rdp", 4)).toEqual({
+      width: 1200,
+      height: 2400,
+      dpi: 288,
+      pixelRatio: 3,
+    });
+  });
+
+  it("uses a configured resolution in place of the container size", () => {
+    expect(
+      getGuacamoleDisplaySize(800, 600, "rdp", 1, undefined),
+    ).toMatchObject({ width: 800, height: 600 });
+    expect(
+      getGuacamoleDisplaySize(1920, 1080, "rdp", 1, undefined),
+    ).toMatchObject({ width: 1920, height: 1080 });
+  });
+});
+
+describe("readConfiguredDimension", () => {
+  it("accepts the strings the host editor stores", () => {
+    expect(readConfiguredDimension("1920")).toBe(1920);
+    expect(readConfiguredDimension(1080)).toBe(1080);
+  });
+
+  it("treats an unset or unusable value as 'follow the container'", () => {
+    expect(readConfiguredDimension("")).toBeUndefined();
+    expect(readConfiguredDimension(undefined)).toBeUndefined();
+    expect(readConfiguredDimension(null)).toBeUndefined();
+    expect(readConfiguredDimension("auto")).toBeUndefined();
+    expect(readConfiguredDimension("0")).toBeUndefined();
+    expect(readConfiguredDimension("-1080")).toBeUndefined();
+  });
+});