Update Travis CI build matrix

- Drop iOS 7 runtime
- Use Xcode 7 for testing the iOS 8.4 and 9.2 runtimes
- Only build against latest iOS 9 SDK available in the Xcode 7.2 image
- Run the UI specs with the Debug configuration so symbolication works properly
- Try to ensure the simulator has run at least once before we run tests. Under Xcode 7
  we need to wait for the asynchronous process of "launching" the simulator.
- Try more aggressively to kill the simulator in-between runs. The simulator process
  was renamed sometime in the Xcode 7 release timeframe, and it may only be called
  "Simulator" now. I anticipate that we may need to do more work in order to wait for
  the simulator to "boot" initially, which was also added in the Xcode 7 release.

.travis.yml

@@ -1,23 +1,26 @@
 language: objective-c
+osx_image: xcode7.2
 
-env:
-  matrix:
-    - CEDAR_SDK_VERSION="8.1" CEDAR_SDK_RUNTIME_VERSION="7.0.3" TASK="rake ci"
-    - CEDAR_SDK_VERSION="8.1" CEDAR_SDK_RUNTIME_VERSION="7.1" TASK="rake ci"
-    - CEDAR_SDK_VERSION="8.1" CEDAR_SDK_RUNTIME_VERSION="8.1" TASK="rake ci"
+matrix:
+    include:
+        - env: CEDAR_SDK_VERSION="9.2" CEDAR_SDK_RUNTIME_VERSION="8.4" TASK="rake ci"
+        - env: CEDAR_SDK_VERSION="9.2" CEDAR_SDK_RUNTIME_VERSION="9.2" TASK="rake ci"
 
-    # Analyze takes too long -- vary on runtime SDK
-    - CEDAR_SDK_VERSION="8.1" CEDAR_SDK_RUNTIME_VERSION="8.1" TASK="rake suites:specs:analyze"
-    - CEDAR_SDK_VERSION="8.1" CEDAR_SDK_RUNTIME_VERSION="8.1" TASK="rake suites:uispecs:analyze"
-    - CEDAR_SDK_VERSION="8.1" CEDAR_SDK_RUNTIME_VERSION="8.1" TASK="rake suites:focused_specs:analyze"
+        # Analyze takes too long to vary on runtime SDK. Latest is fine.
+        - env: CEDAR_SDK_VERSION="9.2" TASK="rake suites:specs:analyze"
+        - env: CEDAR_SDK_VERSION="9.2" TASK="rake suites:uispecs:analyze"
+        - env: CEDAR_SDK_VERSION="9.2" TASK="rake suites:focused_specs:analyze"
 
-    - TASK="./install.sh"
-    - TASK="./installCodeSnippetsAndTemplates"
+        - env: TASK="./install.sh"
+        - env: TASK="./installCodeSnippetsAndTemplates"
 
 before_install: brew update
 install:
   - bundle install
   - brew install ios-sim
+  - ios-sim showsdks
+  - ios-sim showdevicetypes
+  - open -b com.apple.iphonesimulator #ensure simulator is running at least once
 
 script:
     # run a printer task to keep travis from terminating static analysis

scripts/rake/helpers/simulator.rb

@@ -37,5 +37,6 @@ def self.kill
     system %Q[killall -m -KILL "gdb" > /dev/null 2>&1]
     system %Q[killall -m -KILL "otest" > /dev/null 2>&1]
     system %Q[killall -m -KILL "iPhone Simulator" > /dev/null 2>&1]
+    system %Q[killall -m -KILL "Simulator" > /dev/null 2>&1]
   end
 end

scripts/rake/helpers/xcode.rb

@@ -9,8 +9,8 @@ def self.developer_dir
     `xcode-select -print-path`.strip
   end
 
-  def self.build_dir(effective_platform_name = "")
-    File.join(BUILD_DIR, CONFIGURATION + effective_platform_name)
+  def self.build_dir(effective_platform_name = "", configuration = CONFIGURATION)
+    File.join(BUILD_DIR, configuration + effective_platform_name)
   end
 
   def self.sdk_dir_for_version(version)
@@ -41,9 +41,10 @@ def self.build(options = nil)
     args += " -target #{options[:target].inspect}" if options[:target]
     args += " -sdk #{options[:sdk].inspect}" if options[:sdk]
     args += " -scheme #{options[:scheme].inspect}" if options[:scheme]
+    args += " -configuration #{options[:configuration] || CONFIGURATION}"
 
     Shell.fold "build.#{options[:scheme] || options[:target]}" do
-      Shell.run(%Q(xcodebuild -project #{PROJECT_NAME}.xcodeproj -configuration #{CONFIGURATION} SYMROOT=#{BUILD_DIR.inspect} clean build #{args}), logfile)
+      Shell.run(%Q(xcodebuild -project #{PROJECT_NAME}.xcodeproj SYMROOT=#{BUILD_DIR.inspect} clean build #{args}), logfile)
     end
   end
 

scripts/rake/tasks/spec_suites.rb

@@ -41,7 +41,7 @@
 
     desc "Build UI specs"
     task :build do
-      Xcode.build(target: UI_SPECS_TARGET_NAME, sdk: "iphonesimulator#{SDK_VERSION}", args: 'ARCHS=i386', logfile: "uispecs.build.log")
+      Xcode.build(target: UI_SPECS_TARGET_NAME, sdk: "iphonesimulator#{SDK_VERSION}", args: 'ARCHS=i386', configuration: "Debug", logfile: "uispecs.build.log")
     end
 
     desc "Run UI specs"
@@ -52,7 +52,7 @@
       }
 
       Shell.with_env(env_vars) do
-        Simulator.launch(Xcode.build_dir("-iphonesimulator"), UI_SPECS_TARGET_NAME, Xcode.build_dir("-uispecs.run.log"))
+        Simulator.launch(Xcode.build_dir("-iphonesimulator", "Debug"), UI_SPECS_TARGET_NAME, Xcode.build_dir("-uispecs.run.log"))
       end
     end
   end
@@ -123,7 +123,11 @@
 
     desc "Build iOS dynamic framework specs"
     task :build do
-      Xcode.build(target: IOS_DYNAMIC_FRAMEWORK_SPECS_TARGET_NAME, sdk: "iphonesimulator#{SDK_VERSION}", args: 'ARCHS=i386 '+Xcode.swift_build_settings, logfile: "frameworks.ios.dynamic.specs.build.log")
+      Xcode.build(target: IOS_DYNAMIC_FRAMEWORK_SPECS_TARGET_NAME,
+		  sdk: "iphonesimulator#{SDK_VERSION}",
+		  args: 'ARCHS=i386 '+Xcode.swift_build_settings,
+		  configuration: "Debug",
+		  logfile: "frameworks.ios.dynamic.specs.build.log")
     end
 
     desc "Runs iOS dynamic framework specs"
@@ -134,7 +138,7 @@
       }
 
       Shell.with_env(env_vars) do
-        Simulator.launch(Xcode.build_dir("-iphonesimulator"), IOS_DYNAMIC_FRAMEWORK_SPECS_TARGET_NAME, Xcode.build_dir("-frameworks.ios.dynamic.specs.run.log"))
+        Simulator.launch(Xcode.build_dir("-iphonesimulator", "Debug"), IOS_DYNAMIC_FRAMEWORK_SPECS_TARGET_NAME, Xcode.build_dir("-frameworks.ios.dynamic.specs.run.log"))
       end
     end
   end