Function installMocks

test/client/index.test.js:25–56

* Install fresh mock.module() interceptors for the four modules * client-src/index.js loads at evaluation time. * @returns {void}

()

   * @returns {void}
   */
  function installMocks() {
    log = {
      log: { info: fn(), warn: fn(), error: fn() },
      logEnabledFeatures: fn(),
      setLogLevel: fn(),
    };
    logMockCtx = mock.module("../../client-src/utils/log.js", {
      namedExports: log,
    });

    socket = fn();
    socketMockCtx = mock.module("../../client-src/socket.js", {
      defaultExport: socket,
    });

    const send = fn();
    overlay = { send };
    overlayMockCtx = mock.module("../../client-src/overlay.js", {
      namedExports: {
        createOverlay: () => overlay,
        formatProblem: (item) => ({
          header: "HEADER warning",
          body: `BODY: ${item}`,
        }),
      },
    });

    sendMessage = fn();
    sendMessageMockCtx = mock.module("../../client-src/utils/sendMessage.js", {
      defaultExport: sendMessage,
    });
  }

  /**
   * Tear down the mock.module() interceptors installed by installMocks().