added visual testing module and minor fixes

docs/Steps/files.md

@@ -142,7 +142,7 @@ Save file content to memory as pdf object with following properties:
 
 |    property    |  type  |            description            |
 |:--------------:|:------:|:---------------------------------:|
-| textMultiline  | string |  text of pdf in multiline format  |
+| textMultiLine  | string |  text of pdf in multiline format  |
 | textSingleLine | string | text of pdf in single-line format |
 |    metadata    | Object |           pdf metadata            |
 
@@ -156,5 +156,5 @@ example:
 When I save './folder/file.pdf' pdf file content as 'pdfContent'
 When I save '$filePath' pdf file content as 'pdfContent'
 # if you use @qavajs/memory package
-Then I expect '$pdfContent.textMultiline' to be equal 'expectedPdfContent'
+Then I expect '$pdfContent.textMultiLine' to be equal 'expectedPdfContent'
 ```

docs/Steps/visual-testing.md

@@ -0,0 +1,63 @@
+---
+sidebar_position: 10
+---
+
+# @qavajs/steps-visual-testing
+Step library to perform visual testing
+
+## Installation
+
+`npm install @qavajs/steps-visual-testing`
+
+## Config
+```javascript
+module.exports = {
+    default: {
+        require: [
+            '@qavajs/steps-visual-testing'
+        ],
+    }
+}
+```
+
+## Steps
+
+---
+### I expect {string} screenshot to equal {string}
+
+Compare two screenshots from memory (saved as base64)
+
+|  param   |  type  |         description          |
+|:--------:|:------:|:----------------------------:|
+|  actual  | string |  alias of actual screenshot  |
+| expected | string | alias of expected screenshot |
+
+example:
+```gherkin
+Then I expect '$actual' screenshot to equal '$expected'
+```
+---
+
+### I expect {string} screenshot to equal {string}: [DataTable]
+
+Compare two screenshots from memory (saved as base64) with provided compare parameters
+
+|  param   |   type    |         description          |
+|:--------:|:---------:|:----------------------------:|
+|  actual  |  string   |  alias of actual screenshot  |
+| expected |  string   | alias of expected screenshot |
+|  params  | DataTable |  table of key-value params   |
+
+Supported params:
+
+|    param    |  type  |                                         description                                         |
+|:-----------:|:------:|:-------------------------------------------------------------------------------------------:|
+|  threshold  | number |  Matching threshold, ranges from 0 to 1. Smaller values make the comparison more sensitive  |
+
+example:
+```gherkin
+Then I expect '$actual' screenshot to equal '$expected':
+  | threshold | 0.5 |
+```
+---
+

docs/Steps/wdio.md

@@ -899,6 +899,21 @@ example:
 When I save screenshot as 'screenshot'
 ```
 
+---
+### I save screenshot of {string} as {string}
+
+Save element screenshot into memory
+
+| param |  type  |        description        |
+|:-----:|:------:|:-------------------------:|
+|  key  | string |    key to store value     |
+| alias | string | element to get screenshot |
+
+example:
+```gherkin
+When I save screenshot of 'Element' as 'screenshot'
+```
+
 ---
 ### I save {string} css property of {string} as {string}
 

docs/intro.md

@@ -33,3 +33,6 @@ Config file extends Cucumber [config file](https://github.com/cucumber/cucumber-
 | `defaultTimeout` | `number` | default timeout for step definitions                                              | 10000   |
 | `services`       | `[]`     | list of services to run before/after tests (setup/teardown selenium, appium etc.) | []      |
 | `memory`         | `object` | instance of memory object with loaded constants and computed                      | {}      |
+
+### VSCode Extension
+https://github.com/qavajs/vscode/releases

docusaurus.config.js

@@ -7,7 +7,7 @@ const darkCodeTheme = require('prism-react-renderer/themes/dracula');
 /** @type {import('@docusaurus/types').Config} */
 const config = {
   title: '@qavajs',
-  tagline: 'All-in-one test automation framework',
+  tagline: 'Test Automation Framework',
   url: 'https://qavajs.github.io',
   baseUrl: '/',
   onBrokenLinks: 'throw',