Three new analysis server integration tests

pkg/analysis_server/test/integration/integration_tests.dart

Index: pkg/analysis_server/test/integration/integration_tests.dart
diff --git a/pkg/analysis_server/test/integration/integration_tests.dart b/pkg/analysis_server/test/integration/integration_tests.dart
index 554a42973be43c987b0dafccde521f904847c9e9..cdc5d1b2fb17545b21e7692e0b4598ca33a1fc4b 100644
--- a/pkg/analysis_server/test/integration/integration_tests.dart
+++ b/pkg/analysis_server/test/integration/integration_tests.dart
@@ -142,11 +142,8 @@ abstract class AbstractAnalysisServerIntegrationTest {
 // ==========================================================
 // TODO(paulberry): add more matchers.
 
-const Matcher isString = const isInstanceOf<String>('String');
-
-const Matcher isInt = const isInstanceOf<int>('int');
-
-const Matcher isBool = const isInstanceOf<bool>('bool');
+// Matchers common to all domains
+// ------------------------------
 
 const Matcher isResultResponse = const MatchesJsonObject('result response',
     const {
@@ -180,29 +177,37 @@ const Matcher isNotification = const MatchesJsonObject('notification', const {
   'params': isMap
 });
 
+// Matchers for specific responses and notifications
+// -------------------------------------------------
+
+// server.getVersion
 const Matcher isServerGetVersionResult = const MatchesJsonObject(
     'server.getVersion result', const {
   'version': isString
 });
 
+// server.status
 const Matcher isServerStatusParams = const MatchesJsonObject(
     'server.status params', null, optionalFields: const {
   'analysis': isAnalysisStatus
 });
 
-final Matcher isErrorSeverity = isIn(['INFO', 'WARNING', 'ERROR']);
+// analysis.getHover
+final Matcher isAnalysisGetHoverResult = new MatchesJsonObject(
+    'analysis.getHover result', {
+  'hovers': isListOf(isHoverInformation)
+});
 
-final Matcher isErrorType = isIn(['COMPILE_TIME_ERROR', 'HINT',
-    'STATIC_TYPE_WARNING', 'STATIC_WARNING', 'SYNTACTIC_ERROR', 'TODO']);
+// Matchers for data types used in responses and notifications
+// -----------------------------------------------------------
 
-const Matcher isLocation = const MatchesJsonObject('Location', const {
-  'file': isString,
-  'offset': isInt,
-  'length': isInt,
-  'startLine': isInt,
-  'startColumn': isInt
-});
+const Matcher isString = const isInstanceOf<String>('String');
+
+const Matcher isInt = const isInstanceOf<int>('int');
+
+const Matcher isBool = const isInstanceOf<bool>('bool');
 
+// AnalysisError
 final Matcher isAnalysisError = new MatchesJsonObject('AnalysisError', {
   'severity': isErrorSeverity,
   'type': isErrorType,
@@ -212,6 +217,7 @@ final Matcher isAnalysisError = new MatchesJsonObject('AnalysisError', {
   'correction': isString
 });
 
+// AnalysisStatus
 const Matcher isAnalysisStatus = const MatchesJsonObject('AnalysisStatus', const
     {
   'analyzing': isBool
@@ -219,6 +225,38 @@ const Matcher isAnalysisStatus = const MatchesJsonObject('AnalysisStatus', const
   'analysisTarget': isString
 });
 
+// ErrorSeverity
+final Matcher isErrorSeverity = isIn(['INFO', 'WARNING', 'ERROR']);
+
+// ErrorType
+final Matcher isErrorType = isIn(['COMPILE_TIME_ERROR', 'HINT',
+    'STATIC_TYPE_WARNING', 'STATIC_WARNING', 'SYNTACTIC_ERROR', 'TODO']);
+
+// HoverInformation
+const Matcher isHoverInformation = const MatchesJsonObject('HoverInformation',
+    const {
+  'offset': isInt,
+  'length': isInt
+}, optionalFields: const {
+  'containingLibraryPath': isString,
+  'containingLibraryName': isString,
+  'dartdoc': isString,
+  'elementDescription': isString,
+  'elementKind': isString,
+  'parameter': isString,
+  'propagatedType': isString,
+  'staticType': isString
+});
+
+// Location
+const Matcher isLocation = const MatchesJsonObject('Location', const {
+  'file': isString,
+  'offset': isInt,
+  'length': isInt,
+  'startLine': isInt,
+  'startColumn': isInt
+});
+
 
 /**
  * Type of closures used by MatchesJsonObject to record field mismatches.
@@ -343,6 +381,52 @@ class MatchesJsonObject extends Matcher {
 }
 
 /**
+ * Matcher that matches a list of objects, each of which satisfies the given
+ * matcher.
+ */
+class _ListOf extends Matcher {
+  /**
+   * Matcher which every element of the list must satisfy.
+   */
+  final Matcher elementMatcher;
+
+  /**
+   * Iterable matcher which we use to test the contents of the list.
+   */
+  final Matcher iterableMatcher;
+
+  _ListOf(elementMatcher)
+      : elementMatcher = elementMatcher,
+        iterableMatcher = everyElement(elementMatcher);
+
+  @override
+  bool matches(item, Map matchState) {
+    if (item is! List) {
+      return false;
+    }
+    return iterableMatcher.matches(item, matchState);
+  }
+
+  @override
+  Description describe(Description description) => description.add('List of '
+      ).addDescriptionOf(elementMatcher);
+
+  @override
+  Description describeMismatch(item, Description mismatchDescription, Map
+      matchState, bool verbose) {
+    if (item is! List) {
+      return super.describeMismatch(item, mismatchDescription, matchState,
+          verbose);
+    } else {
+      return iterableMatcher.describeMismatch(item, mismatchDescription,
+          matchState, verbose);
+    }
+  }
+}
+
+Matcher isListOf(Matcher elementMatcher) => new _ListOf(elementMatcher);
+
+/**
  * Instances of the class [Server] manage a connection to a server process, and
  * facilitate communication to and from the server.
  */