Pplt 2492

packages/webdriver-utils/package.json

@@ -30,6 +30,7 @@
   },
   "dependencies": {
     "@percy/config": "1.27.3",
-    "@percy/sdk-utils": "1.27.3"
+    "@percy/sdk-utils": "1.27.3",
+    "colors": "^1.4.0"
   }
 }

packages/webdriver-utils/src/providers/genericProvider.js

@@ -4,6 +4,7 @@ import MetaDataResolver from '../metadata/metaDataResolver.js';
 import Tile from '../util/tile.js';
 import Driver from '../driver.js';
 import Cache from '../util/cache.js';
+import CapabilitiesValidator from '../util/capabilityValidator.js';
 const { request } = utils;
 
 const DEVICES_CONFIG_URL = 'https://storage.googleapis.com/percy-utils/devices.json';
@@ -47,6 +48,9 @@ export default class GenericProvider {
     log.debug(`Passed capabilities -> ${JSON.stringify(this.capabilities)}`);
     const caps = await this.driver.getCapabilites();
     log.debug(`Fetched capabilities -> ${JSON.stringify(caps)}`);
+    log.debug('Validating Capabilites');
+    const validator = new CapabilitiesValidator(caps);
+    validator.validateBrowserOSVersions();
     this.metaData = await MetaDataResolver.resolve(this.driver, caps, this.capabilities);
   }
 

packages/webdriver-utils/src/util/capabilityValidator.js

@@ -0,0 +1,65 @@
+import fs from 'fs';
+import path from 'path';
+import colors from 'colors/safe.js';
+
+export default class CapabilitiesValidator {
+  constructor(capabilities) {
+    this.capabilities = capabilities;
+  }
+
+  validateBrowserOSVersions() {
+    const cwd = process.cwd();
+    const excludeBrowserData = JSON.parse(
+      fs.readFileSync(
+        path.join(
+          cwd,
+          'packages/webdriver-utils/src/util/exclude_browsers.json'
+        )
+      )
+    );
+
+    const { os, osVersion, browserName, browserVersion } = this.capabilities;
+
+    if (!os || !osVersion || !browserName || !browserVersion) {
+      colors.yellow(
+        console.warn(
+          `OS/Browser Combination ${os}: ${osVersion}: ${browserName} ${browserName}  is not supported in Percy`
+        )
+      );
+    }
+    if (excludeBrowserData?.os[os]) {
+      const osData = excludeBrowserData?.os[os];
+      if (osData?.os_versions) {
+        const osExists = osData.os_versions.some((element) => {
+          return element === osVersion;
+        });
+        if (osExists) {
+          colors.yellow(
+            console.warn(
+              `OS Version ${os}: ${osVersion} is not supported in Percy`
+            )
+          );
+        }
+      }
+      if (osData?.browsers) {
+        const browserData = osData?.browsers[browserName.toLowerCase()];
+        if (browserData && browserData.min_version === 'all') {
+          console.warn(
+            colors.yellow(
+              `Browser ${browserName} is not supported in Percy on ${os} ${osVersion}`
+            )
+          );
+        } else if (
+          browserData &&
+          parseInt(browserVersion, 10) < parseInt(browserData.min_version, 10)
+        ) {
+          console.warn(
+            colors.yellow(
+              `Browser Version ${browserName}: ${browserVersion}  is not supported in Percy on ${os} ${osVersion}`
+            )
+          );
+        }
+      }
+    }
+  }
+}

packages/webdriver-utils/src/util/exclude_browsers.json

@@ -0,0 +1,35 @@
+{
+    "os": {
+      "OS X": {
+        "os_versions": ["Snow Leopard", "Lion", "Mountain Lion", "Mavericks", "Yosemite", "El Capitan", "Sierra", "High Sierra", "Mojave"],
+        "browsers": {
+            "chrome": {
+                "min_version": "92"
+            },
+            "firefox": {
+                "min_version": "92"
+            },
+            "edge": {
+                "min_version": "92"
+            }
+        }
+      },
+      "Windows": {
+        "os_versions": ["8.1", "8.0", "7", "XP"],
+        "browsers": {
+            "chrome": {
+                "min_version": "92"
+            },
+            "firefox": {
+                "min_version": "92"
+            },
+            "edge": {
+                "min_version": "92"
+            },
+            "ie": {
+                "min_version": "all"
+            }
+        }
+      }
+    }
+}