exploring test-driven development in Android

0.sh

$ export
PATH=$PATH:~/Downloads/android-sdk-macosx/tools:~/Downloads/android-sdk-macosx/platform-tools

1.sh

$ android list targets
Available Android targets:
----------
id: 1 or "android-16"
     Name: Android 4.1
     Type: Platform
     API level: 16
     Revision: 1
     Skins: HVGA, QVGA, WQVGA400, WQVGA432, WSVGA, WVGA800 (default),
WVGA854, WXGA720, WXGA800, WXGA800-7in
     ABIs : armeabi-v7a

2.sh

$ android create avd --name sample.android-16 --target android-16
Auto-selecting single ABI armeabi-v7a
Android 4.1 is a basic Android platform.
Do you wish to create a custom hardware profile [no]
Created AVD 'sample.android-16' based on Android 4.1, ARM (armeabi-v7a)
processor,
with the following hardware config:
hw.lcd.density=240
vm.heapSize=48
hw.ramSize=512

3.sh

$ android create project --target android-16 --path sample --package com.sample --activity Main
Created project directory: sample
Created directory /Users/jared/Projects/sample/src/com/sample
Added file sample/src/com/sample/Main.java
Created directory /Users/jared/Projects/sample/res
Created directory /Users/jared/Projects/sample/bin
Created directory /Users/jared/Projects/sample/libs
Created directory /Users/jared/Projects/sample/res/values
Added file sample/res/values/strings.xml
Created directory /Users/jared/Projects/sample/res/layout
Added file sample/res/layout/main.xml
Created directory /Users/jared/Projects/sample/res/drawable-xhdpi
Created directory /Users/jared/Projects/sample/res/drawable-hdpi
Created directory /Users/jared/Projects/sample/res/drawable-mdpi
Created directory /Users/jared/Projects/sample/res/drawable-ldpi
Added file sample/AndroidManifest.xml
Added file sample/build.xml
Added file sample/proguard-project.txt

$ android create test-project --path sampletest --main ../sample 
Found main project package: com.sample
Found main project activity: Main
Found main project target: Android 4.1
Created project directory: sampletest
Created directory /Users/jared/Projects/sampletest/src/com/sample
Added file sampletest/src/com/sample/MainTest.java
Created directory /Users/jared/Projects/sampletest/res
Created directory /Users/jared/Projects/sampletest/bin
Created directory /Users/jared/Projects/sampletest/libs
Added file sampletest/AndroidManifest.xml
Added file sampletest/build.xml
Added file sampletest/proguard-project.txt

$ ls
sample     sampletest

4.sh

$ cd sampletest
$ wget -P libs http://robotium.googlecode.com/files/robotium-solo-3.3.jar

5.xml

<supports-screens android:anyDensity="true"/> 

6.java

package com.sample;

import android.test.ActivityInstrumentationTestCase2;

import com.jayway.android.robotium.solo.Solo;

public class GreeterTest extends ActivityInstrumentationTestCase2<Main> {
    public GreeterTest() {
        super("com.sample", Main.class);
    }

    public void testExpectAGreetingAfterSubmittingAName() {
        Solo solo = new Solo(getInstrumentation(), getActivity());

        int editTextIndex = 0;
        String name = "Android";
        solo.enterText(editTextIndex, name);
        solo.clickOnButton("Submit");

        String greeting = String.format("Hello %s", name);
        assertTrue("Greeting not found", solo.searchText(greeting));
    }
}

7.sh

$ emulator -avd sample.android-16

8.sh

$ cd sampletest
$ ant debug install

9.sh

$ ant test
test:
     [echo] Running tests ...
     [exec]
     [exec] com.sample.GreeterTest:
     [exec] Failure in testExpectAGreetingAfterSubmittingAName:
     [exec] junit.framework.AssertionFailedError: EditText with index 0 is not available!
     ...
     [exec] Time: 11.829
     [exec]
     [exec] FAILURES!!!
     [exec] Tests run: 1,  Failures: 1,  Errors: 0