v4 initial commit

tests/e2e/custom-commands/openHomepageClass.js

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+/**
+ * A class-based Nightwatch custom command which is a variation of the openHomepage.js command.
+ *  The command name is the filename and class needs to contain a "command" method.
+ *
+ * Example usage:
+ *   browser.openHomepageClass();
+ *
+ * For more information on writing custom commands see:
+ *   https://nightwatchjs.org/guide/extending-nightwatch/#writing-custom-commands
+ *
+ */
+
+const assert = require("assert");
+
+module.exports = class {
+  async command() {
+    // Other Nightwatch commands are available via "this.api"
+    this.api.init();
+    this.api.waitForElementVisible("#app");
+
+    const result = await this.api.elements("css selector", "#app ul");
+    assert.strictEqual(result.value.length, 3);
+  }
+};