Add support for generating android matchers

This restructures the generation to allow for multiple adapters,
leaving this open for further extension. It only adds one generated
action to the live code, so that the diff doesn't get any bigger

detox/package.json

@@ -68,11 +68,12 @@
       "Emulator.js",
       "DeviceDriverBase.js",
       "GREYConfiguration.js",
-      "src/ios/earlgreyapi",
       "src/utils/environment.js",
       "AAPT.js",
       "ADB.js",
-      "fsext.js"
+      "fsext.js",
+      "src/ios/earlgreyapi",
+      "src/android/espressoapi"
     ],
     "resetMocks": true,
     "resetModules": true,

detox/src/android/espressoapi/DetoxAction.js

@@ -0,0 +1,142 @@
+/**
+
+	This code is generated.
+	For more information see generation/README.md.
+*/
+
+
+// Globally declared helpers
+
+function sanitize_greyDirection(action) {
+  switch (action) {
+    case "left":
+      return 1;
+    case "right":
+      return 2;
+    case "up":
+      return 3;
+    case "down":
+      return 4;
+
+    default:
+      throw new Error(`GREYAction.GREYDirection must be a 'left'/'right'/'up'/'down', got ${action}`);
+  }
+}
+
+function sanitize_greyContentEdge(action) {
+  switch (action) {
+    case "left":
+      return 0;
+    case "right":
+      return 1;
+    case "top":
+      return 2;
+    case "bottom":
+      return 3;
+
+    default:
+      throw new Error(`GREYAction.GREYContentEdge must be a 'left'/'right'/'top'/'bottom', got ${action}`);
+  }
+}
+
+function sanitize_uiAccessibilityTraits(value) {
+  let traits = 0;
+  for (let i = 0; i < value.length; i++) {
+    switch (value[i]) {
+      case 'button': traits |= 1; break;
+      case 'link': traits |= 2; break;
+      case 'header': traits |= 4; break;
+      case 'search': traits |= 8; break;
+      case 'image': traits |= 16; break;
+      case 'selected': traits |= 32; break;
+      case 'plays': traits |= 64; break;
+      case 'key': traits |= 128; break;
+      case 'text': traits |= 256; break;
+      case 'summary': traits |= 512; break;
+      case 'disabled': traits |= 1024; break;
+      case 'frequentUpdates': traits |= 2048; break;
+      case 'startsMedia': traits |= 4096; break;
+      case 'adjustable': traits |= 8192; break;
+      case 'allowsDirectInteraction': traits |= 16384; break;
+      case 'pageTurn': traits |= 32768; break;
+      default: throw new Error(`Unknown trait '${value[i]}', see list in https://facebook.github.io/react-native/docs/accessibility.html#accessibilitytraits-ios`);
+    }
+  }
+
+  return traits;
+}
+
+
+
+class DetoxAction {
+  static multiClick(times) {
+    if (typeof times !== "number") throw new Error("times should be a number, but got " + (times + (" (" + (typeof times + ")"))));
+    return {
+      target: {
+        type: "Class",
+        value: "com.wix.detox.espresso.DetoxAction"
+      },
+      method: "multiClick",
+      args: [{
+        type: "Integer",
+        value: times
+      }]
+    };
+  }
+
+  static tapAtLocation(x, y) {
+    if (typeof x !== "number") throw new Error("x should be a number, but got " + (x + (" (" + (typeof x + ")"))));
+    if (typeof y !== "number") throw new Error("y should be a number, but got " + (y + (" (" + (typeof y + ")"))));
+    return {
+      target: {
+        type: "Class",
+        value: "com.wix.detox.espresso.DetoxAction"
+      },
+      method: "tapAtLocation",
+      args: [{
+        type: "Integer",
+        value: x
+      }, {
+        type: "Integer",
+        value: y
+      }]
+    };
+  }
+
+  static scrollToEdge(edge) {
+    if (typeof edge !== "number") throw new Error("edge should be a number, but got " + (edge + (" (" + (typeof edge + ")"))));
+    return {
+      target: {
+        type: "Class",
+        value: "com.wix.detox.espresso.DetoxAction"
+      },
+      method: "scrollToEdge",
+      args: [{
+        type: "Integer",
+        value: edge
+      }]
+    };
+  }
+
+  static scrollInDirection(direction, amountInDP) {
+    if (typeof direction !== "number") throw new Error("direction should be a number, but got " + (direction + (" (" + (typeof direction + ")"))));
+    if (typeof amountInDP !== "number") throw new Error("amountInDP should be a number, but got " + (amountInDP + (" (" + (typeof amountInDP + ")"))));
+    return {
+      target: {
+        type: "Class",
+        value: "com.wix.detox.espresso.DetoxAction"
+      },
+      method: "scrollInDirection",
+      args: [{
+        type: "Integer",
+        value: direction
+      }, {
+        type: "double",
+        value: amountInDP
+      }]
+    };
+  }
+
+}
+
+module.exports = DetoxAction;

detox/src/android/expect.js

@@ -1,5 +1,6 @@
 const invoke = require('../invoke');
 const matchers = require('./matcher');
+const DetoxActionApi = require('./espressoapi/DetoxAction');
 const Matcher = matchers.Matcher;
 const LabelMatcher = matchers.LabelMatcher;
 const IdMatcher = matchers.IdMatcher;
@@ -51,7 +52,7 @@ class LongPressAction extends Action {
 class MultiClickAction extends Action {
   constructor(times) {
     super();
-    this._call = invoke.call(invoke.Android.Class(DetoxAction), 'multiClick', invoke.Android.Integer(times));
+    this._call = invoke.callDirectly(DetoxActionApi.multiClick(times));
   }
 }
 

generation/__tests__/__snapshots__/android.js.snap

@@ -0,0 +1,19 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Android generation methods should generate type checks 1`] = `"times should be a number, but got FOO (string)"`;
+
+exports[`Android generation methods should return adapter calls 1`] = `
+Object {
+  "args": Array [
+    Object {
+      "type": "Integer",
+      "value": 3,
+    },
+  ],
+  "method": "multiClick",
+  "target": Object {
+    "type": "Class",
+    "value": "com.wix.detox.espresso.DetoxAction",
+  },
+}
+`;

generation/__tests__/__snapshots__/ios.js.snap

@@ -0,0 +1,100 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`iOS generation Error handling should thow error for CGPoint with wrong x and y values 1`] = `"point.x should be a number, but got 3 (string)"`;
+
+exports[`iOS generation Error handling should thow error for CGPoint with wrong x and y values 2`] = `"point.y should be a number, but got undefined (undefined)"`;
+
+exports[`iOS generation Error handling should throw error for not in accepted range 1`] = `"direction should be one of [left, right, up, down], but got flipside"`;
+
+exports[`iOS generation Error handling should throw error for wrong type 1`] = `"count should be a number, but got foo (string)"`;
+
+exports[`iOS generation Error handling should throw error for wrong type 2`] = `"point should be a object, but got 4 (number)"`;
+
+exports[`iOS generation Invocations should return the invocation object for methods 1`] = `
+Object {
+  "args": Array [
+    Object {
+      "type": "NSInteger",
+      "value": 3,
+    },
+  ],
+  "method": "actionForMultipleTapsWithCount:",
+  "target": Object {
+    "type": "Class",
+    "value": "GREYActions",
+  },
+}
+`;
+
+exports[`iOS generation Invocations should return the invocation object for methods with objects as args 1`] = `
+Object {
+  "args": Array [
+    Object {
+      "type": "NSInteger",
+      "value": 3,
+    },
+    Object {
+      "type": "CGPoint",
+      "value": Object {
+        "x": 3,
+        "y": 4,
+      },
+    },
+  ],
+  "method": "actionForMultipleTapsWithCount:atPoint:",
+  "target": Object {
+    "type": "Class",
+    "value": "GREYActions",
+  },
+}
+`;
+
+exports[`iOS generation Invocations should return the invocation object for methods with strings 1`] = `
+Object {
+  "args": Array [
+    Object {
+      "type": "NSString",
+      "value": "Foo",
+    },
+  ],
+  "method": "actionForTypeText:",
+  "target": Object {
+    "type": "Class",
+    "value": "GREYActions",
+  },
+}
+`;
+
+exports[`iOS generation Invocations should sanitize the directions 1`] = `
+Object {
+  "args": Array [
+    Object {
+      "type": "NSInteger",
+      "value": 4,
+    },
+    Object {
+      "type": "CGFloat",
+      "value": 3,
+    },
+    Object {
+      "type": "CGFloat",
+      "value": 4,
+    },
+    Object {
+      "type": "CGFloat",
+      "value": 5,
+    },
+  ],
+  "method": "actionForScrollInDirection:amount:xOriginStartPercentage:yOriginStartPercentage:",
+  "target": Object {
+    "type": "Class",
+    "value": "GREYActions",
+  },
+}
+`;
+
+exports[`iOS generation special case: id<GREYMatcher> should fail with wrongly formatted matchers 1`] = `"firstMatcher should be a GREYMatcher, but got {\\"type\\":\\"Invocation\\",\\"value\\":{\\"target\\":{\\"type\\":\\"Class\\",\\"value\\":\\"GREYAction\\"},\\"method\\":\\"matcherForAccessibilityID:\\",\\"args\\":[\\"Grandfather883\\"]}}"`;
+
+exports[`iOS generation special case: id<GREYMatcher> should fail with wrongly formatted matchers 2`] = `"ancestorMatcher should be a GREYMatcher, but got {\\"type\\":\\"Invocation\\",\\"value\\":{\\"target\\":{\\"type\\":\\"Class\\",\\"value\\":\\"GREYAction\\"},\\"method\\":\\"matcherForAccessibilityID:\\",\\"args\\":[\\"Grandson883\\"]}}"`;
+
+exports[`iOS generation special case: id<GREYMatcher> should fail with wrongly formatted matchers 3`] = `"firstMatcher should be a GREYMatcher, but got {\\"type\\":\\"Invocation\\",\\"value\\":{\\"method\\":\\"matcherForAccessibilityID:\\",\\"args\\":[\\"Grandfather883\\"]}}"`;