src/test/java/com/xtremelabs/robolectric/res/TestAttributeSetTest.java

package com.xtremelabs.robolectric.res;

import android.view.View;
import com.xtremelabs.robolectric.R;
import com.xtremelabs.robolectric.WithTestDefaultsRunner;
import com.xtremelabs.robolectric.tester.android.util.TestAttributeSet;
import com.xtremelabs.robolectric.util.CustomView;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;

import java.util.HashMap;

import static com.xtremelabs.robolectric.util.TestUtil.resourceFile;
import static junit.framework.Assert.assertEquals;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.MatcherAssert.assertThat;

@RunWith(WithTestDefaultsRunner.class)
public class TestAttributeSetTest {
    private HashMap<String, String> attributes;
    private ResourceExtractor resourceExtractor;

    @Before
    public void setUp() throws Exception {
        attributes = new HashMap<String, String>();

        resourceExtractor = new ResourceExtractor();
        resourceExtractor.addLocalRClass(R.class);
        resourceExtractor.addSystemRClass(android.R.class);
    }

    @Test
    public void getSystemAttributeResourceValue_shouldReturnTheResourceValue() throws Exception {
        attributes.put("android:id", "@android:id/text1");
        TestAttributeSet testAttributeSet = new TestAttributeSet(attributes, resourceExtractor, null, null, false);
        assertThat(testAttributeSet.getAttributeResourceValue("android", "id", 0), equalTo(android.R.id.text1));
    }

    @Test
    public void getSystemAttributeResourceValue_shouldNotReturnTheResourceValueIfNameSpaceDoesNotMatch() throws Exception {
        attributes.put("id", "@id/text1");
        TestAttributeSet testAttributeSet = new TestAttributeSet(attributes, resourceExtractor, null, null, false);
        assertEquals(0, testAttributeSet.getAttributeResourceValue("android", "id", 0));
    }

    @Test
    public void getSystemAttributeResourceValue_shouldReturnDefaultValueForNullResourceId() throws Exception {
        attributes.put("id", "@null");
        TestAttributeSet testAttributeSet = new TestAttributeSet(attributes, resourceExtractor, null, null, false);
        assertEquals(0, testAttributeSet.getAttributeResourceValue("com.some.namespace", "id", 0));
    }

    @Test
    public void shouldCopeWithDefiningSystemIds() throws Exception {
        attributes.put("android:id", "@+id/text1");

        TestAttributeSet testAttributeSet = new TestAttributeSet(attributes, resourceExtractor, null, null, true);
        assertThat(testAttributeSet.getAttributeResourceValue("android", "id", 0), equalTo(android.R.id.text1));
    }

    @Test
    public void shouldCopeWithDefiningLocalIds() throws Exception {
        attributes.put("android:id", "@+id/text1");

        TestAttributeSet testAttributeSet = new TestAttributeSet(attributes, resourceExtractor, null, null, false);
        assertThat(testAttributeSet.getAttributeResourceValue("android", "id", 0), equalTo(R.id.text1));
    }

    @Test
    public void getAttributeResourceValue_shouldReturnTheResourceValue() throws Exception {
        attributes.put("message", "@string/howdy");

        TestAttributeSet testAttributeSet = new TestAttributeSet(attributes, resourceExtractor, null, null, false);
        assertThat(testAttributeSet.getAttributeResourceValue("com.some.namespace", "message", 0), equalTo(R.string.howdy));
    }

    @Test
    public void getAttributeResourceValue_withNamespace_shouldReturnTheResourceValue() throws Exception {
        attributes.put("message", "@string/howdy");

        TestAttributeSet testAttributeSet = new TestAttributeSet(attributes, resourceExtractor, null, null, false);
        assertThat(testAttributeSet.getAttributeResourceValue("com.some.namespace", "message", 0), equalTo(R.string.howdy));
    }

    @Test
    public void getAttributeResourceValue_shouldReturnDefaultValueWhenNotInAttributeSet() throws Exception {
        TestAttributeSet testAttributeSet = new TestAttributeSet(attributes, resourceExtractor, null, null, false);
        assertThat(testAttributeSet.getAttributeResourceValue("com.some.namespace", "message", -1), equalTo(-1));
    }

    @Test
    public void getAttributeBooleanValue_shouldGetBooleanValuesFromAttributes() throws Exception {
        attributes.put("isSugary", "true");

        TestAttributeSet testAttributeSet = new TestAttributeSet(attributes, null, null, null, false);
        assertThat(testAttributeSet.getAttributeBooleanValue("com.some.namespace", "isSugary", false), equalTo(true));
    }

    @Test
    public void getAttributeBooleanValue_withNamespace_shouldGetBooleanValuesFromAttributes() throws Exception {
        attributes.put("xxx:isSugary", "true");

        TestAttributeSet testAttributeSet = new TestAttributeSet(attributes, null, null, null, false);
        assertThat(testAttributeSet.getAttributeBooleanValue("com.some.namespace", "isSugary", false), equalTo(true));
    }

    @Test
    public void getAttributeBooleanValue_shouldReturnDefaultBooleanValueWhenNotInAttributeSet() throws Exception {
        TestAttributeSet testAttributeSet = new TestAttributeSet(attributes, null, null, null, false);
        assertThat(testAttributeSet.getAttributeBooleanValue("com.some.namespace", "isSugary", true), equalTo(true));
    }

    @Test
    public void getAttributeValue_shouldReturnValueFromAttribute() throws Exception {
        attributes.put("isSugary", "oh heck yeah");

        TestAttributeSet testAttributeSet = new TestAttributeSet(attributes, null, null, null, false);
        assertThat(testAttributeSet.getAttributeValue("com.some.namespace", "isSugary"), equalTo("oh heck yeah"));
    }

    @Test
    public void getAttributeIntValue_shouldReturnValueFromAttribute() throws Exception {
        attributes.put("sugarinessPercent", "100");

        AttrResourceLoader resourceLoader = new AttrResourceLoader(resourceExtractor);
        TestAttributeSet testAttributeSet = new TestAttributeSet(attributes, null, resourceLoader, View.class, false);
        assertThat(testAttributeSet.getAttributeIntValue("some namespace", "sugarinessPercent", 0), equalTo(100));
    }

    @Test
    public void getAttributeIntValue_shouldReturnEnumValuesForEnumAttributes() throws Exception {
        attributes.put("itemType", "string");

        AttrResourceLoader attrResourceLoader = new AttrResourceLoader(resourceExtractor);
        new DocumentLoader(attrResourceLoader).loadResourceXmlDir(resourceFile("res", "values"));
        TestAttributeSet testAttributeSet = new TestAttributeSet(attributes, null, attrResourceLoader, CustomView.class, false);
        assertThat(testAttributeSet.getAttributeIntValue("some namespace", "itemType", 0), equalTo(1));
    }

    @Test
    public void getAttributeIntValue_defaultConstructor() throws Exception {
        TestAttributeSet testAttributeSet = new TestAttributeSet();
        testAttributeSet.put("sugarinessPercent", "100");

        assertThat(testAttributeSet.getAttributeIntValue("some namespace", "sugarinessPercent", 0), equalTo(100));
    }
}