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An alternative Android testing framework.
package org.robolectric.shadows;
import android.content.res.AssetFileDescriptor;
import android.content.res.AssetManager;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.content.res.XmlResourceParser;
import android.os.ParcelFileDescriptor;
import android.util.AttributeSet;
import android.util.TypedValue;
import org.jetbrains.annotations.NotNull;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.HiddenApi;
import org.robolectric.annotation.Implementation;
import org.robolectric.annotation.Implements;
import org.robolectric.annotation.RealObject;
import org.robolectric.res.AttributeResource;
import org.robolectric.res.DrawableNode;
import org.robolectric.res.DrawableResourceLoader;
import org.robolectric.res.FsFile;
import org.robolectric.res.ResName;
import org.robolectric.res.ResType;
import org.robolectric.res.ResourceIndex;
import org.robolectric.res.ResourceLoader;
import org.robolectric.res.Style;
import org.robolectric.res.StyleData;
import org.robolectric.res.StyleResolver;
import org.robolectric.res.TypedResource;
import org.robolectric.res.builder.ResourceParser;
import org.robolectric.res.builder.XmlResourceParserImpl;
import org.robolectric.util.Strings;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.robolectric.annotation.Resetter;
import static org.robolectric.Shadows.shadowOf;
import static org.robolectric.shadows.ShadowApplication.getInstance;
/**
* Shadow for {@link android.content.res.AssetManager}.
*/
@Implements(AssetManager.class)
public final class ShadowAssetManager {
public static final int STYLE_NUM_ENTRIES = 6;
public static final int STYLE_TYPE = 0;
public static final int STYLE_DATA = 1;
public static final int STYLE_ASSET_COOKIE = 2;
public static final int STYLE_RESOURCE_ID = 3;
public static final int STYLE_CHANGING_CONFIGURATIONS = 4;
public static final int STYLE_DENSITY = 5;
private Map themesById = new LinkedHashMap<>();
private Map> appliedStyles = new HashMap<>();
private int nextInternalThemeId = 1000;
private ResourceLoader resourceLoader;
@RealObject
AssetManager realObject;
public ResourceLoader getResourceLoader() {
return resourceLoader;
}
public void __constructor__() {
resourceLoader = RuntimeEnvironment.getAppResourceLoader();
}
public void __constructor__(boolean isSystem) {
resourceLoader = isSystem ? RuntimeEnvironment.getSystemResourceLoader() : RuntimeEnvironment.getAppResourceLoader();
}
@HiddenApi @Implementation
public CharSequence getResourceText(int ident) {
TypedResource value = getAndResolve(ident, RuntimeEnvironment.getQualifiers(), true);
if (value == null) return null;
return (CharSequence) value.getData();
}
@HiddenApi @Implementation
public CharSequence getResourceBagText(int ident, int bagEntryId) {
throw new UnsupportedOperationException(); // todo
}
@HiddenApi @Implementation
public String[] getResourceStringArray(final int id) {
CharSequence[] resourceTextArray = getResourceTextArray(id);
if (resourceTextArray == null) return null;
String[] strings = new String[resourceTextArray.length];
for (int i = 0; i < strings.length; i++) {
strings[i] = resourceTextArray[i].toString();
}
return strings;
}
@HiddenApi @Implementation
public int getResourceIdentifier(String name, String defType, String defPackage) {
ResourceIndex resourceIndex = resourceLoader.getResourceIndex();
ResName resName = ResName.qualifyResName(name, defPackage, defType);
Integer resourceId = resourceIndex.getResourceId(resName);
if (resourceId == null) return 0;
return resourceId;
}
@HiddenApi @Implementation
public boolean getResourceValue(int ident, int density, TypedValue outValue, boolean resolveRefs) {
TypedResource value = getAndResolve(ident, RuntimeEnvironment.getQualifiers(), resolveRefs);
if (value == null) return false;
getConverter(value).fillTypedValue(value.getData(), outValue);
return true;
}
private Converter getConverter(TypedResource value) {
return Converter.getConverter(value.getResType());
}
@HiddenApi @Implementation
public CharSequence[] getResourceTextArray(int resId) {
TypedResource value = getAndResolve(resId, RuntimeEnvironment.getQualifiers(), true);
if (value == null) return null;
TypedResource[] items = getConverter(value).getItems(value);
CharSequence[] charSequences = new CharSequence[items.length];
for (int i = 0; i < items.length; i++) {
TypedResource typedResource = resolve(items[i], RuntimeEnvironment.getQualifiers(), resId);
charSequences[i] = getConverter(typedResource).asCharSequence(typedResource);
}
return charSequences;
}
@HiddenApi @Implementation
public boolean getThemeValue(int theme, int ident, TypedValue outValue, boolean resolveRefs) {
ResourceIndex resourceIndex = resourceLoader.getResourceIndex();
ResName resName = resourceIndex.getResName(ident);
Resources.Theme theTheme = getThemeByInternalId(theme);
// Load the style for the theme we represent. E.g. "@style/Theme.Robolectric"
int styleResourceId = shadowOf(theTheme).getStyleResourceId();
Style themeStyle = resolveStyle(null, styleResourceId);
//// Load the theme attribute for the default style attributes. E.g., attr/buttonStyle
//ResName defStyleName = resourceLoader.getResourceIndex().getResName(ident);
//
//// Load the style for the default style attribute. E.g. "@style/Widget.Robolectric.Button";
//String defStyleNameValue = themeStyle.getAttrValue(defStyleName);
//ResName defStyleResName = new ResName(defStyleName.packageName, "style", defStyleName.name);
//Style style = resolveStyle(resourceLoader, defStyleResName);
if (themeStyle != null) {
List overlayThemeStyles = getOverlayThemeStyles(styleResourceId);
AttributeResource attrValue = getOverlayedThemeValue(resName, themeStyle, overlayThemeStyles);
while(resolveRefs && attrValue != null && attrValue.isStyleReference()) {
ResName attrResName = new ResName(attrValue.contextPackageName, "attr", attrValue.value.substring(1));
attrValue = getOverlayedThemeValue(attrResName, themeStyle, overlayThemeStyles);
}
if (attrValue != null) {
Converter.convertAndFill(attrValue, outValue, resourceLoader, RuntimeEnvironment.getQualifiers(), resolveRefs);
return true;
}
}
return false;
}
@HiddenApi @Implementation
public void ensureStringBlocks() {
}
@Implementation
public final InputStream open(String fileName) throws IOException {
return ShadowApplication.getInstance().getAppManifest().getAssetsDirectory().join(fileName).getInputStream();
}
@Implementation
public final InputStream open(String fileName, int accessMode) throws IOException {
return ShadowApplication.getInstance().getAppManifest().getAssetsDirectory().join(fileName).getInputStream();
}
@Implementation
public final AssetFileDescriptor openFd(String fileName) throws IOException {
File file = new File(ShadowApplication.getInstance().getAppManifest().getAssetsDirectory().join(fileName).getPath());
ParcelFileDescriptor parcelFileDescriptor = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY);
return new AssetFileDescriptor(parcelFileDescriptor, 0, file.length());
}
@Implementation
public final String[] list(String path) throws IOException {
FsFile file = ShadowApplication.getInstance().getAppManifest().getAssetsDirectory().join(path);
if (file.isDirectory()) {
return file.listFileNames();
}
return new String[0];
}
@HiddenApi @Implementation
public final InputStream openNonAsset(int cookie, String fileName, int accessMode) throws IOException {
final ResName resName = qualifyFromNonAssetFileName(fileName);
final DrawableNode drawableNode = resourceLoader.getDrawableNode(resName, RuntimeEnvironment.getQualifiers());
if (drawableNode == null) {
throw new IOException("Unable to find resource for " + fileName);
}
if (accessMode == AssetManager.ACCESS_STREAMING) {
return drawableNode.getFsFile().getInputStream();
} else {
return new ByteArrayInputStream(drawableNode.getFsFile().getBytes());
}
}
private ResName qualifyFromNonAssetFileName(String fileName) {
if (fileName.startsWith("jar:")) {
// Must remove "jar:" prefix, or else qualifyFromFilePath fails on Windows
return ResName.qualifyFromFilePath("android", fileName.replaceFirst("jar:", ""));
} else {
return ResName.qualifyFromFilePath(ShadowApplication.getInstance().getAppManifest().getPackageName(), fileName);
}
}
@HiddenApi @Implementation
public final AssetFileDescriptor openNonAssetFd(int cookie, String fileName) throws IOException {
throw new UnsupportedOperationException();
}
@Implementation
public final XmlResourceParser openXmlResourceParser(int cookie, String fileName) throws IOException {
return ResourceParser.create(fileName, "fixme", "fixme", null);
}
@HiddenApi @Implementation
public int addAssetPath(String path) {
return 1;
}
@HiddenApi @Implementation
public boolean isUpToDate() {
return true;
}
@HiddenApi @Implementation
public void setLocale(String locale) {
}
@Implementation
public String[] getLocales() {
return new String[0]; // todo
}
@HiddenApi @Implementation
public void setConfiguration(int mcc, int mnc, String locale,
int orientation, int touchscreen, int density, int keyboard,
int keyboardHidden, int navigation, int screenWidth, int screenHeight,
int smallestScreenWidthDp, int screenWidthDp, int screenHeightDp,
int screenLayout, int uiMode, int majorVersion) {
}
@HiddenApi @Implementation
public int[] getArrayIntResource(int resId) {
TypedResource value = getAndResolve(resId, RuntimeEnvironment.getQualifiers(), true);
if (value == null) return null;
TypedResource[] items = getConverter(value).getItems(value);
int[] ints = new int[items.length];
for (int i = 0; i < items.length; i++) {
TypedResource typedResource = resolve(items[i], RuntimeEnvironment.getQualifiers(), resId);
ints[i] = getConverter(typedResource).asInt(typedResource);
}
return ints;
}
@HiddenApi @Implementation
synchronized public int createTheme() {
return nextInternalThemeId++;
}
@HiddenApi @Implementation
synchronized public void releaseTheme(int theme) {
themesById.remove(theme);
}
@HiddenApi @Implementation
public static void applyThemeStyle(int theme, int styleRes, boolean force) {
ShadowAssetManager assetManager = shadowOf(RuntimeEnvironment.application.getAssets());
final Map> appliedStyles = assetManager.appliedStyles;
if (!appliedStyles.containsKey(theme)) {
appliedStyles.put(theme, new LinkedList());
}
Style style = assetManager.resolveStyle(null, styleRes);
List overlayedStyleList = appliedStyles.get(theme);
OverlayedStyle styleToAdd = new OverlayedStyle(style, force);
for (int i = 0; i < overlayedStyleList.size(); ++i) {
if (styleToAdd.equals(overlayedStyleList.get(i))) {
overlayedStyleList.remove(i);
break;
}
}
overlayedStyleList.add(styleToAdd);
}
List getOverlayThemeStyles(int themeResourceId) {
return appliedStyles.get(themeResourceId);
}
static class OverlayedStyle {
Style style;
boolean force;
public OverlayedStyle(Style style, boolean force) {
this.style = style;
this.force = force;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof OverlayedStyle)) {
return false;
}
OverlayedStyle overlayedStyle = (OverlayedStyle) obj;
return style.equals(overlayedStyle.style);
}
@Override
public int hashCode() {
return style.hashCode();
}
}
@HiddenApi @Implementation
public static void copyTheme(int dest, long source) {
throw new UnsupportedOperationException();
}
/////////////////////////
synchronized public void setTheme(int internalThemeId, Resources.Theme theme) {
themesById.put(internalThemeId, theme);
}
synchronized private Resources.Theme getThemeByInternalId(int internalThemeId) {
return themesById.get(internalThemeId);
}
Style resolveStyle(Style appTheme, int resId) {
return resolveStyle(appTheme, getResName(resId));
}
private Style resolveStyle(Style appTheme, @NotNull ResName themeStyleName) {
TypedResource themeStyleResource = resourceLoader.getValue(themeStyleName, RuntimeEnvironment.getQualifiers());
if (themeStyleResource == null) return null;
StyleData themeStyleData = (StyleData) themeStyleResource.getData();
return new StyleResolver(resourceLoader, themeStyleData, appTheme, themeStyleName, RuntimeEnvironment.getQualifiers());
}
private TypedResource getAndResolve(int resId, String qualifiers, boolean resolveRefs) {
TypedResource value = resourceLoader.getValue(resId, qualifiers);
if (resolveRefs) {
value = resolve(value, qualifiers, resId);
}
// todo: make the drawable loader put stuff into the normal spot...
String resourceTypeName = getResourceTypeName(resId);
if (value == null && DrawableResourceLoader.isStillHandledHere(resourceTypeName)) {
DrawableNode drawableNode = resourceLoader.getDrawableNode(resId, qualifiers);
return new TypedResource<>(drawableNode.getFsFile(), ResType.FILE);
}
// todo: gross. this is so resources.getString(R.layout.foo) works for ABS.
if (value == null && "layout".equals(resourceTypeName)) {
throw new UnsupportedOperationException("ugh, this doesn't work still?");
}
return value;
}
TypedResource resolve(TypedResource value, String qualifiers, int resId) {
return resourceLoader.resolveResourceValue(value, qualifiers, resId);
}
private AttributeResource buildAttribute(AttributeSet set, int resId, int defStyleAttr, int themeResourceId, int defStyleRes) {
/*
* When determining the final value of a particular attribute, there are four inputs that come into play:
*
* 1. Any attribute values in the given AttributeSet.
* 2. The style resource specified in the AttributeSet (named "style").
* 3. The default style specified by defStyleAttr and defStyleRes
* 4. The base values in this theme.
*/
Style defStyleFromAttr = null;
Style defStyleFromRes = null;
Style styleAttrStyle = null;
Style theme = null;
List overlayedStyles = getOverlayThemeStyles(themeResourceId);
if (themeResourceId != 0) {
// Load the style for the theme we represent. E.g. "@style/Theme.Robolectric"
theme = resolveStyle(null, themeResourceId);
if (defStyleAttr != 0) {
// Load the theme attribute for the default style attributes. E.g., attr/buttonStyle
ResName defStyleName = getResName(defStyleAttr);
// Load the style for the default style attribute. E.g. "@style/Widget.Robolectric.Button";
AttributeResource defStyleAttribute = getOverlayedThemeValue(defStyleName, theme, overlayedStyles);
if (defStyleAttribute != null) {
while (defStyleAttribute.isStyleReference()) {
AttributeResource other = getOverlayedThemeValue(defStyleAttribute.getStyleReference(), theme, overlayedStyles);
if (other == null) {
throw new RuntimeException("couldn't dereference " + defStyleAttribute);
}
defStyleAttribute = other;
}
if (defStyleAttribute.isResourceReference()) {
ResName defStyleResName = defStyleAttribute.getResourceReference();
defStyleFromAttr = resolveStyle(theme, defStyleResName);
}
}
}
}
if (set != null && set.getStyleAttribute() != 0) {
ResName styleAttributeResName = getResName(set.getStyleAttribute());
while (styleAttributeResName.type.equals("attr")) {
AttributeResource attrValue = getOverlayedThemeValue(styleAttributeResName, theme, overlayedStyles);
if (attrValue.isResourceReference()) {
styleAttributeResName = attrValue.getResourceReference();
} else if (attrValue.isStyleReference()) {
styleAttributeResName = attrValue.getStyleReference();
}
}
styleAttrStyle = resolveStyle(theme, styleAttributeResName);
}
if (defStyleRes != 0) {
ResName resName = getResName(defStyleRes);
if (resName.type.equals("attr")) {
AttributeResource attributeValue = findAttributeValue(defStyleRes, set, styleAttrStyle, defStyleFromAttr, defStyleFromAttr, theme, overlayedStyles);
if (attributeValue != null) {
if (attributeValue.isStyleReference()) {
resName = getOverlayedThemeValue(attributeValue.getStyleReference(), theme, overlayedStyles).getResourceReference();
} else if (attributeValue.isResourceReference()) {
resName = attributeValue.getResourceReference();
}
}
}
defStyleFromRes = resolveStyle(theme, resName);
}
AttributeResource attribute = findAttributeValue(resId, set, styleAttrStyle, defStyleFromAttr, defStyleFromRes, theme, overlayedStyles);
while (attribute != null && attribute.isStyleReference()) {
ResName otherAttrName = attribute.getStyleReference();
// TODO: this is just a debugging hack to avoid the problem of Resources.loadDrawableForCookie not working.
// TODO: We need to address the real problem instead, but are putting it off for a day or two -AV, ED 2014-12-03
if (theme == null) break;
attribute = getOverlayedThemeValue(otherAttrName, theme, overlayedStyles);
if (attribute != null) {
attribute = new AttributeResource(resourceLoader.getResourceIndex().getResName(resId), attribute.value, attribute.contextPackageName);
}
}
return attribute;
}
TypedArray attrsToTypedArray(Resources resources, AttributeSet set, int[] attrs, int defStyleAttr, int themeResourceId, int defStyleRes) {
CharSequence[] stringData = new CharSequence[attrs.length];
int[] data = new int[attrs.length * ShadowAssetManager.STYLE_NUM_ENTRIES];
int[] indices = new int[attrs.length + 1];
int nextIndex = 0;
for (int i = 0; i < attrs.length; i++) {
int offset = i * ShadowAssetManager.STYLE_NUM_ENTRIES;
AttributeResource attribute = buildAttribute(set, attrs[i], defStyleAttr, themeResourceId, defStyleRes);
if (attribute != null && !attribute.isNull()) {
TypedValue typedValue = new TypedValue();
// If there is an AttributeSet then use the resource loader that the attribute set was created with.
ResourceLoader resourceLoader = set != null ? ((XmlResourceParserImpl) set).getResourceLoader() : this.resourceLoader;
Converter.convertAndFill(attribute, typedValue, resourceLoader, RuntimeEnvironment.getQualifiers(), true);
//noinspection PointlessArithmeticExpression
data[offset + ShadowAssetManager.STYLE_TYPE] = typedValue.type;
data[offset + ShadowAssetManager.STYLE_DATA] = typedValue.type == TypedValue.TYPE_STRING ? i : typedValue.data;
data[offset + ShadowAssetManager.STYLE_ASSET_COOKIE] = typedValue.assetCookie;
data[offset + ShadowAssetManager.STYLE_RESOURCE_ID] = typedValue.resourceId;
data[offset + ShadowAssetManager.STYLE_CHANGING_CONFIGURATIONS] = typedValue.changingConfigurations;
data[offset + ShadowAssetManager.STYLE_DENSITY] = typedValue.density;
stringData[i] = typedValue.string;
indices[nextIndex + 1] = i;
nextIndex++;
}
}
indices[0] = nextIndex;
TypedArray typedArray = ShadowTypedArray.create(resources, attrs, data, indices, nextIndex, stringData);
if (set != null) {
shadowOf(typedArray).positionDescription = set.getPositionDescription();
}
return typedArray;
}
private AttributeResource findAttributeValue(int resId, AttributeSet attributeSet, Style styleAttrStyle, Style defStyleFromAttr, Style defStyleFromRes, Style theme, List overlayedStyles) {
if (attributeSet != null) {
for (int i = 0; i < attributeSet.getAttributeCount(); i++) {
if (attributeSet.getAttributeNameResource(i) == resId && attributeSet.getAttributeValue(i) != null) {
return new AttributeResource(resourceLoader.getResourceIndex().getResName(resId), attributeSet.getAttributeValue(i), "fixme!!!");
}
}
}
ResName attrName = resourceLoader.getResourceIndex().getResName(resId);
if (attrName == null) return null;
if (styleAttrStyle != null) {
AttributeResource attribute = styleAttrStyle.getAttrValue(attrName);
if (attribute != null) {
return attribute;
}
}
// else if attr in defStyleFromAttr, use its value
if (defStyleFromAttr != null) {
AttributeResource attribute = defStyleFromAttr.getAttrValue(attrName);
if (attribute != null) {
return attribute;
}
}
if (defStyleFromRes != null) {
AttributeResource attribute = defStyleFromRes.getAttrValue(attrName);
if (attribute != null) {
return attribute;
}
}
// else if attr in theme, use its value
if (theme != null) {
return getOverlayedThemeValue(attrName, theme, overlayedStyles);
}
return null;
}
private static AttributeResource getOverlayedThemeValue(ResName attrName, Style theme, List overlayedStyles) {
AttributeResource attribute = theme.getAttrValue(attrName);
if (overlayedStyles != null) {
for (ShadowAssetManager.OverlayedStyle overlayedStyle : overlayedStyles) {
AttributeResource overlayedAttribute = overlayedStyle.style.getAttrValue(attrName);
if (overlayedAttribute != null && (attribute == null || overlayedStyle.force)) {
attribute = overlayedAttribute;
}
}
}
return attribute;
}
@NotNull private ResName getResName(int id) {
ResName resName = resourceLoader.getResourceIndex().getResName(id);
return checkResName(id, resName);
}
private ResName checkResName(int id, ResName resName) {
if (resName == null) {
throw new Resources.NotFoundException("Unable to find resource ID #0x" + Integer.toHexString(id));
}
return resName;
}
@Implementation
public String getResourceName(int resid) {
return getResName(resid).getFullyQualifiedName();
}
@Implementation
public String getResourcePackageName(int resid) {
return getResName(resid).packageName;
}
@Implementation
public String getResourceTypeName(int resid) {
return getResName(resid).type;
}
@Implementation
public String getResourceEntryName(int resid) {
return getResName(resid).name;
}
}