Move to alpha version of analyzer (#1545)

* Upgrade analyzer and adjust tests.

* Switch to 0.31.0-alpha.2

* Switch appveyor to dev

Author: jcollins-g

appveyor.yml

@@ -3,7 +3,7 @@
 # BSD-style license that can be found in the LICENSE file.
 
 install:
-  - ps: wget https://gsdview.appspot.com/dart-archive/channels/stable/raw/latest/sdk/dartsdk-windows-x64-release.zip -OutFile dart-sdk.zip
+  - ps: wget https://gsdview.appspot.com/dart-archive/channels/dev/raw/latest/sdk/dartsdk-windows-x64-release.zip -OutFile dart-sdk.zip
   - cmd: echo "Unzipping dart-sdk..."
   - cmd: 7z x dart-sdk.zip -o"C:\tools" -y > nul
   - set PATH=%PATH%;C:\tools\dart-sdk\bin

pubspec.lock

@@ -6,7 +6,7 @@ packages:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.30.0+4"
+    version: "0.31.0-alpha.2"
   ansicolor:
     description:
       name: ansicolor
@@ -78,7 +78,7 @@ packages:
       name: front_end
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.0-alpha.4.1"
+    version: "0.1.0-alpha.7"
   glob:
     description:
       name: glob
@@ -132,7 +132,7 @@ packages:
       name: kernel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.0-alpha.1.1"
+    version: "0.3.0-alpha.4"
   logging:
     description:
       name: logging

pubspec.yaml

@@ -4,10 +4,12 @@ version: 0.14.2-dev
 author: Dart Team <[email protected]>
 description: A documentation generator for Dart.
 homepage: https://github.com/dart-lang/dartdoc
+# For development, recommend 1.25.0-dev.0.0 or higher to allow
+# dartanalyzer to work on dartdoc itself.
 environment:
   sdk: '>=1.23.0-dev.11.5 <2.0.0'
 dependencies:
-  analyzer: ^0.30.0
+  analyzer: 0.31.0-alpha.2
   args: ^0.13.0
   collection: ^1.2.0
   html: '>=0.12.1 <0.14.0'

test/model_test.dart

@@ -1414,7 +1414,7 @@ String topLevelFunction(int param1, bool param2, Cool coolBeans,
               'dart.core',
           isTrue);
       expect(ExtraSpecialListLength.oneLineDoc == '', isFalse);
-    }, skip: 'Passes on Analyzer 0.31.0+');
+    });
 
     test('split inheritance with explicit setter works', () {
       expect(implicitGetterExplicitSetter.getter.isInherited, isTrue);

testing/test_package_docs/index.json

@@ -5623,7 +5623,7 @@
   "qualifiedName": "fake.SpecialList.[]",
   "href": "fake/SpecialList/operator_get.html",
   "type": "method",
-  "overriddenDepth": 0,
+  "overriddenDepth": 1,
   "enclosedBy": {
    "name": "SpecialList",
    "type": "class"
@@ -5634,7 +5634,7 @@
   "qualifiedName": "fake.SpecialList.[]=",
   "href": "fake/SpecialList/operator_put.html",
   "type": "method",
-  "overriddenDepth": 0,
+  "overriddenDepth": 1,
   "enclosedBy": {
    "name": "SpecialList",
    "type": "class"