Function printDiff

packages/internal-test-utils/consoleMock.js:407–423

()

      // We inline multi-line logs for better diff printing.
      // eslint-disable-next-line no-inner-declarations
      function printDiff() {
        return `${diff(
          expectedMessages
            .map(messageOrTuple => {
              const message = Array.isArray(messageOrTuple)
                ? messageOrTuple[0]
                : messageOrTuple;
              return message.replace('\n', ' ');
            })
            .join('\n'),
          receivedLogs.map(message => message.replace('\n', ' ')).join('\n'),
          {
            aAnnotation: `Expected ${logName()}s`,
            bAnnotation: `Received ${logName()}s`,
          },
        )}`;
      }

      // Any unexpected warnings should be treated as a failure.
      if (unexpectedLogs.length > 0) {