feat: move the terminal fully into the ssh-terminal plugin (B9)

src/ui/tests/lib/terminal-look/terminal-global-styles.test.ts

@@ -0,0 +1,72 @@
+import { describe, expect, it, vi } from "vitest";
+import { ensureTerminalFontsLoaded } from "@/lib/terminal-look/terminal-global-styles";
+
+describe("ensureTerminalFontsLoaded", () => {
+  it("requests regular, bold, italic, and bold-italic variants for the given font", () => {
+    const load = vi.fn().mockResolvedValue([]);
+    const originalFonts = document.fonts;
+    Object.defineProperty(document, "fonts", {
+      configurable: true,
+      value: { load },
+    });
+
+    try {
+      ensureTerminalFontsLoaded("Caskaydia Cove Nerd Font Mono");
+
+      expect(load).toHaveBeenCalledWith(
+        '400 16px "Caskaydia Cove Nerd Font Mono"',
+      );
+      expect(load).toHaveBeenCalledWith(
+        '700 16px "Caskaydia Cove Nerd Font Mono"',
+      );
+      expect(load).toHaveBeenCalledWith(
+        'italic 400 16px "Caskaydia Cove Nerd Font Mono"',
+      );
+      expect(load).toHaveBeenCalledWith(
+        'italic 700 16px "Caskaydia Cove Nerd Font Mono"',
+      );
+      expect(load).toHaveBeenCalledTimes(4);
+    } finally {
+      Object.defineProperty(document, "fonts", {
+        configurable: true,
+        value: originalFonts,
+      });
+    }
+  });
+
+  it("does not throw when document.fonts is unavailable", () => {
+    const originalFonts = document.fonts;
+    Object.defineProperty(document, "fonts", {
+      configurable: true,
+      value: undefined,
+    });
+
+    try {
+      expect(() => ensureTerminalFontsLoaded("JetBrains Mono")).not.toThrow();
+    } finally {
+      Object.defineProperty(document, "fonts", {
+        configurable: true,
+        value: originalFonts,
+      });
+    }
+  });
+
+  it("swallows rejected font load promises", async () => {
+    const load = vi.fn().mockRejectedValue(new Error("network error"));
+    const originalFonts = document.fonts;
+    Object.defineProperty(document, "fonts", {
+      configurable: true,
+      value: { load },
+    });
+
+    try {
+      expect(() => ensureTerminalFontsLoaded("Fira Code")).not.toThrow();
+      await new Promise((resolve) => setTimeout(resolve, 0));
+    } finally {
+      Object.defineProperty(document, "fonts", {
+        configurable: true,
+        value: originalFonts,
+      });
+    }
+  });
+});