Add image strategy

[KazuCocoa]

• Add -image strategy Add -image strategy #112

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• commands: https://github.com/appium/appium-base-driver/pull/235/files#diff-9e83c80b4ae94101db6fd7c84e68c8fbR214

[KazuCocoa]

📝
Not client side issue though

# Buttons with find element id
e2 = @@driver.find_element :accessibility_id, 'Buttons'
# => #<Selenium::WebDriver::Element:0x..f9ac923d253de3a9c id="25000000-0000-0000-504F-010000000000">
e2.rect
# => #<struct Selenium::WebDriver::Rectangle x=17, y=80, width=75, height=27>
e2.click #=> Buttons was clicked

# Buttons image
e = @@driver.find_element_by_image 'path to below button image'
e.rect
# [BaseDriver] Image template matched: {"x":24,"y":162,"width":170,"height":53}
e2.click #=> (x: 109, y: 188.5) is clicked. The point was _TextFields_ in here.
              #=> When I tried to tap (x: 109, y: 135.5), the point was _Controls_.
              #=> The W3C touch action probably include statusbar additionally?

• the button image
  

[BaseDriver] Not verifying screenshot dimensions match screen
[BaseDriver] Image template matched: {"x":24,"y":162,"width":170,"height":53}
[BaseDriver] Will tap on image element at coordinate [109, 188.5]
[BaseDriver] Will tap using W3C actions
[debug] [XCUITest] Received the following W3C actions: [
[debug] [XCUITest]   {
[debug] [XCUITest]     "type": "pointer",
[debug] [XCUITest]     "id": "mouse",
[debug] [XCUITest]     "parameters": {
[debug] [XCUITest]       "pointerType": "touch"
[debug] [XCUITest]     },
[debug] [XCUITest]     "actions": [
[debug] [XCUITest]       {
[debug] [XCUITest]         "type": "pointerMove",
[debug] [XCUITest]         "x": 109,
[debug] [XCUITest]         "y": 188.5,
[debug] [XCUITest]         "duration": 0
[debug] [XCUITest]       },
[debug] [XCUITest]       {
[debug] [XCUITest]         "type": "pointerDown"
[debug] [XCUITest]       },
[debug] [XCUITest]       {
[debug] [XCUITest]         "type": "pause",
[debug] [XCUITest]         "duration": 125
[debug] [XCUITest]       },
[debug] [XCUITest]       {
[debug] [XCUITest]         "type": "pointerUp"
[debug] [XCUITest]       }
[debug] [XCUITest]     ]
[debug] [XCUITest]   }
[debug] [XCUITest] ]
[debug] [XCUITest] Preprocessed actions: [
[debug] [XCUITest]   {
[debug] [XCUITest]     "type": "pointer",
[debug] [XCUITest]     "id": "mouse",
[debug] [XCUITest]     "parameters": {
[debug] [XCUITest]       "pointerType": "touch"
[debug] [XCUITest]     },
[debug] [XCUITest]     "actions": [
[debug] [XCUITest]       {
[debug] [XCUITest]         "type": "pointerMove",
[debug] [XCUITest]         "x": 109,
[debug] [XCUITest]         "y": 188.5,
[debug] [XCUITest]         "duration": 0
[debug] [XCUITest]       },
[debug] [XCUITest]       {
[debug] [XCUITest]         "type": "pointerDown"
[debug] [XCUITest]       },
[debug] [XCUITest]       {
[debug] [XCUITest]         "type": "pause",
[debug] [XCUITest]         "duration": 125
[debug] [XCUITest]       },
[debug] [XCUITest]       {
[debug] [XCUITest]         "type": "pointerUp"
[debug] [XCUITest]       }
[debug] [XCUITest]     ]
[debug] [XCUITest]   }
[debug] [XCUITest] ]
[debug] [JSONWP Proxy] Matched '/actions' to command name 'performActions'
[debug] [JSONWP Proxy] Proxying [POST /actions] to [POST http://localhost:8100/session/E999F768-983A-40AB-BC61-F827E559DEC1/actions] with body: {"actions":[{"type":"pointer","id":"mouse","parameters":{"pointerType":"touch"},"actions":[{"type":"pointerMove","x":109,"y":188.5,"duration":0},{"type":"pointerDown"},{"type":"pause","duration":125},{"type":"pointerUp"}]}]}
[debug] [JSONWP Proxy] Got response with status 200: {"value":{},"sessionId":"E999F768-983A-40AB-BC61-F827E559DEC1","status":0}
[debug] [W3C] Responding to client with driver.click() result: {}