private void assertFileContentsEqual(Path expectedFile, Path observedFile) throws IOException {
String cleanPathToObservedFile =
MoreStrings.withoutSuffix(
templatePath.relativize(expectedFile).toString(), EXPECTED_SUFFIX);
String expectedFileContent = new String(Files.readAllBytes(expectedFile), UTF_8);
String observedFileContent = new String(Files.readAllBytes(observedFile), UTF_8);
// It is possible, on Windows, to have Git keep "\n"-style newlines, or convert them to
// "\r\n"-style newlines. Support both ways by normalizing to "\n"-style newlines.
// See https://help.github.com/articles/dealing-with-line-endings/ for more information.
expectedFileContent = expectedFileContent.replace("\r\n", "\n");
observedFileContent = observedFileContent.replace("\r\n", "\n");
assertEquals(
String.format(
"In %s, expected content of %s to match that of %s.",
cleanPathToObservedFile, expectedFileContent, observedFileContent),
expectedFileContent,
observedFileContent);
}
public void assertFilesEqual(Path expected, Path actual) throws IOException {
if (!expected.isAbsolute()) {
expected = templatePath.resolve(expected);
}
if (!actual.isAbsolute()) {
actual = destPath.resolve(actual);
}
if (!Files.isRegularFile(actual)) {
fail("Expected file " + actual + " could not be found.");
}
String extension = MorePaths.getFileExtension(actual);
String cleanPathToObservedFile =
MoreStrings.withoutSuffix(templatePath.relativize(expected).toString(), EXPECTED_SUFFIX);
switch (extension) {
// For Apple .plist and .stringsdict files, we define equivalence if:
// 1. The two files are the same type (XML or binary)
// 2. If binary: unserialized objects are deeply-equivalent.
// Otherwise, fall back to exact string match.
case "plist":
case "stringsdict":
NSObject expectedObject;
try {
expectedObject = BinaryPropertyListParser.parse(expected.toFile());
} catch (Exception e) {
// Not binary format.
expectedObject = null;
}
NSObject observedObject;
try {
observedObject = BinaryPropertyListParser.parse(actual.toFile());
} catch (Exception e) {
// Not binary format.
observedObject = null;
}
assertTrue(
String.format(
"In %s, expected plist to be of %s type.",
cleanPathToObservedFile, (expectedObject != null) ? "binary" : "XML"),
(expectedObject != null) == (observedObject != null));
if (expectedObject != null) {
// These keys depend on the locally installed version of Xcode, so ignore them
// in comparisons.
String[] ignoredKeys = {
"DTSDKName",
"DTPlatformName",
"DTPlatformVersion",
"MinimumOSVersion",
"DTSDKBuild",
"DTPlatformBuild",
"DTXcode",
"DTXcodeBuild"
};
if (observedObject instanceof NSDictionary && expectedObject instanceof NSDictionary) {
for (String key : ignoredKeys) {
((NSDictionary) observedObject).remove(key);
((NSDictionary) expectedObject).remove(key);
}
}
assertEquals(
String.format(
"In %s, expected binary plist contents to match.", cleanPathToObservedFile),
expectedObject,
observedObject);
break;
} else {
assertFileContentsEqual(expected, actual);
}
break;
default:
assertFileContentsEqual(expected, actual);
}
}
public enum SizeUnit {
BYTES(0, "B"),
KILOBYTES(1, "KB"),
MEGABYTES(2, "MB"),
GIGABYTES(3, "GB"),
TERABYTES(4, "TB");
private final int ordinal;
private final String abbreviation;
private SizeUnit(int ordinal, String abbreviation) {
this.ordinal = ordinal;
this.abbreviation = abbreviation;
}
public int getOrdinal() {
return ordinal;
}
public String getAbbreviation() {
return abbreviation;
}
private static long multiplyByByteOrderOfMagnitude(double size, int magnitude) {
if (magnitude == 0) {
return (long) size;
} else if (magnitude > 0) {
return BigDecimal.valueOf(size).multiply(BigDecimal.valueOf(1024).pow(magnitude)).longValue();
} else {
return BigDecimal.valueOf(size)
.divide(BigDecimal.valueOf(1024).pow(-1 * magnitude))
.longValue();
}
}
private static final ImmutableMap<String, SizeUnit> SHORT_TO_CODE =
ImmutableMap.<String, SizeUnit>builder()
.put("b", BYTES)
.put("kb", KILOBYTES)
.put("kilobytes", KILOBYTES)
.put("mb", MEGABYTES)
.put("megabytes", MEGABYTES)
.put("gb", GIGABYTES)
.put("gigabytes", GIGABYTES)
.put("tb", TERABYTES)
.put("terabytes", TERABYTES)
.build();
private static final Pattern SIZE_PATTERN =
Pattern.compile(
"([\\d]+(?:\\.[\\d]+)?)\\s*" + MoreStrings.regexPatternForAny(SHORT_TO_CODE.keySet()),
Pattern.CASE_INSENSITIVE);
/** Parses a string that represents a size into the number of bytes represented by that string. */
public static long parseBytes(String input) throws NumberFormatException {
Matcher matcher = SIZE_PATTERN.matcher(input);
if (matcher.find()) {
String number = matcher.group(1);
SizeUnit sizeUnit = SHORT_TO_CODE.get(matcher.group(2).toLowerCase());
if (sizeUnit != null) {
try {
double value = Double.parseDouble(number);
return sizeUnit.toBytes(value);
} catch (NumberFormatException e) {
// If the number was so large as to overflow Long.MAX_VALUE, return LONG.MAX_VALUE.
return Long.MAX_VALUE;
}
}
}
throw new NumberFormatException(String.format("%s is not a valid file size", input));
}
public long toBytes(double size) {
return multiplyByByteOrderOfMagnitude(size, getOrdinal() - BYTES.getOrdinal());
}
public long toKilobytes(double size) {
return multiplyByByteOrderOfMagnitude(size, getOrdinal() - KILOBYTES.getOrdinal());
}
public long toMegabytes(double size) {
return multiplyByByteOrderOfMagnitude(size, getOrdinal() - MEGABYTES.getOrdinal());
}
public long toGigabytes(double size) {
return multiplyByByteOrderOfMagnitude(size, getOrdinal() - GIGABYTES.getOrdinal());
}
public long toTerabytes(double size) {
return multiplyByByteOrderOfMagnitude(size, getOrdinal() - TERABYTES.getOrdinal());
}
public static Pair<Double, SizeUnit> getHumanReadableSize(double size, SizeUnit unit) {
if (size == 0) {
return new Pair<>(size, unit);
}
int ordinal = unit.getOrdinal();
double resultSize = size;
if (size > 1) {
while (size > 1 && ordinal < 4) {
size = size / 1024;
if (size > 1) {
ordinal++;
resultSize = size;
}
}
} else {
while (size < 1024 && ordinal > 0) {
size = size * 1024;
if (size < 1024) {
ordinal--;
resultSize = size;
}
}
}
return new Pair<>(resultSize, SizeUnit.values()[ordinal]);
}
public static String toHumanReadableString(Pair<Double, SizeUnit> size, Locale locale) {
return String.format(locale, "%.2f %s", size.getFirst(), size.getSecond().getAbbreviation());
}
}