ParseFieldMatcher should log when using deprecated settings. #16988

I always thought ParseFieldMatcher would log when using a deprecated setting,
but it does not.
This commit is contained in:
Adrien Grand 2016-03-07 16:41:19 +01:00
parent 3d13c27fa0
commit 026519e81b
3 changed files with 59 additions and 72 deletions

View File

@ -18,26 +18,23 @@
*/ */
package org.elasticsearch.common; package org.elasticsearch.common;
import org.elasticsearch.common.logging.DeprecationLogger;
import org.elasticsearch.common.logging.Loggers;
import java.util.EnumSet;
import java.util.HashSet; import java.util.HashSet;
/** /**
* Holds a field that can be found in a request while parsing and its different variants, which may be deprecated. * Holds a field that can be found in a request while parsing and its different variants, which may be deprecated.
*/ */
public class ParseField { public class ParseField {
private static final DeprecationLogger DEPRECATION_LOGGER = new DeprecationLogger(Loggers.getLogger(ParseField.class));
private final String camelCaseName; private final String camelCaseName;
private final String underscoreName; private final String underscoreName;
private final String[] deprecatedNames; private final String[] deprecatedNames;
private String allReplacedWith = null; private String allReplacedWith = null;
static final EnumSet<Flag> EMPTY_FLAGS = EnumSet.noneOf(Flag.class);
static final EnumSet<Flag> STRICT_FLAGS = EnumSet.of(Flag.STRICT);
enum Flag {
STRICT
}
public ParseField(String value, String... deprecatedNames) { public ParseField(String value, String... deprecatedNames) {
camelCaseName = Strings.toCamelCase(value); camelCaseName = Strings.toCamelCase(value);
underscoreName = Strings.toUnderscoreCase(value); underscoreName = Strings.toUnderscoreCase(value);
@ -80,19 +77,21 @@ public class ParseField {
return parseField; return parseField;
} }
boolean match(String currentFieldName, EnumSet<Flag> flags) { boolean match(String currentFieldName, boolean strict) {
if (allReplacedWith == null && (currentFieldName.equals(camelCaseName) || currentFieldName.equals(underscoreName))) { if (allReplacedWith == null && (currentFieldName.equals(camelCaseName) || currentFieldName.equals(underscoreName))) {
return true; return true;
} }
String msg; String msg;
for (String depName : deprecatedNames) { for (String depName : deprecatedNames) {
if (currentFieldName.equals(depName)) { if (currentFieldName.equals(depName)) {
if (flags.contains(Flag.STRICT)) { msg = "Deprecated field [" + currentFieldName + "] used, expected [" + underscoreName + "] instead";
msg = "Deprecated field [" + currentFieldName + "] used, expected [" + underscoreName + "] instead"; if (allReplacedWith != null) {
if (allReplacedWith != null) { msg = "Deprecated field [" + currentFieldName + "] used, replaced by [" + allReplacedWith + "]";
msg = "Deprecated field [" + currentFieldName + "] used, replaced by [" + allReplacedWith + "]"; }
} if (strict) {
throw new IllegalArgumentException(msg); throw new IllegalArgumentException(msg);
} else {
DEPRECATION_LOGGER.deprecated(msg);
} }
return true; return true;
} }

View File

@ -21,29 +21,28 @@ package org.elasticsearch.common;
import org.elasticsearch.common.settings.Settings; import org.elasticsearch.common.settings.Settings;
import java.util.EnumSet;
/** /**
* Matcher to use in combination with {@link ParseField} while parsing requests. Matches a {@link ParseField} * Matcher to use in combination with {@link ParseField} while parsing requests. Matches a {@link ParseField}
* against a field name and throw deprecation exception depending on the current value of the {@link #PARSE_STRICT} setting. * against a field name and throw deprecation exception depending on the current value of the {@link #PARSE_STRICT} setting.
*/ */
public class ParseFieldMatcher { public class ParseFieldMatcher {
public static final String PARSE_STRICT = "index.query.parse.strict"; public static final String PARSE_STRICT = "index.query.parse.strict";
public static final ParseFieldMatcher EMPTY = new ParseFieldMatcher(ParseField.EMPTY_FLAGS); public static final ParseFieldMatcher EMPTY = new ParseFieldMatcher(false);
public static final ParseFieldMatcher STRICT = new ParseFieldMatcher(ParseField.STRICT_FLAGS); public static final ParseFieldMatcher STRICT = new ParseFieldMatcher(true);
private final EnumSet<ParseField.Flag> parseFlags; private final boolean strict;
public ParseFieldMatcher(Settings settings) { public ParseFieldMatcher(Settings settings) {
if (settings.getAsBoolean(PARSE_STRICT, false)) { this(settings.getAsBoolean(PARSE_STRICT, false));
this.parseFlags = EnumSet.of(ParseField.Flag.STRICT);
} else {
this.parseFlags = ParseField.EMPTY_FLAGS;
}
} }
public ParseFieldMatcher(EnumSet<ParseField.Flag> parseFlags) { public ParseFieldMatcher(boolean strict) {
this.parseFlags = parseFlags; this.strict = strict;
}
/** Should deprecated settings be rejected? */
public boolean isStrict() {
return strict;
} }
/** /**
@ -55,6 +54,6 @@ public class ParseFieldMatcher {
* @return true whenever the parse field that we are looking for was found, false otherwise * @return true whenever the parse field that we are looking for was found, false otherwise
*/ */
public boolean match(String fieldName, ParseField parseField) { public boolean match(String fieldName, ParseField parseField) {
return parseField.match(fieldName, parseFlags); return parseField.match(fieldName, strict);
} }
} }

View File

@ -20,8 +20,7 @@ package org.elasticsearch.common;
import org.elasticsearch.test.ESTestCase; import org.elasticsearch.test.ESTestCase;
import java.util.EnumSet; import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.CoreMatchers.is; import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not; import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.CoreMatchers.sameInstance; import static org.hamcrest.CoreMatchers.sameInstance;
@ -33,38 +32,29 @@ public class ParseFieldTests extends ESTestCase {
String[] deprecated = new String[]{"barFoo", "bar_foo"}; String[] deprecated = new String[]{"barFoo", "bar_foo"};
ParseField withDeprecations = field.withDeprecation("Foobar", randomFrom(deprecated)); ParseField withDeprecations = field.withDeprecation("Foobar", randomFrom(deprecated));
assertThat(field, not(sameInstance(withDeprecations))); assertThat(field, not(sameInstance(withDeprecations)));
assertThat(field.match(randomFrom(values), ParseField.EMPTY_FLAGS), is(true)); assertThat(field.match(randomFrom(values), false), is(true));
assertThat(field.match("foo bar", ParseField.EMPTY_FLAGS), is(false)); assertThat(field.match("foo bar", false), is(false));
assertThat(field.match(randomFrom(deprecated), ParseField.EMPTY_FLAGS), is(false)); assertThat(field.match(randomFrom(deprecated), false), is(false));
assertThat(field.match("barFoo", ParseField.EMPTY_FLAGS), is(false)); assertThat(field.match("barFoo", false), is(false));
assertThat(withDeprecations.match(randomFrom(values), ParseField.EMPTY_FLAGS), is(true)); assertThat(withDeprecations.match(randomFrom(values), false), is(true));
assertThat(withDeprecations.match("foo bar", ParseField.EMPTY_FLAGS), is(false)); assertThat(withDeprecations.match("foo bar", false), is(false));
assertThat(withDeprecations.match(randomFrom(deprecated), ParseField.EMPTY_FLAGS), is(true)); assertThat(withDeprecations.match(randomFrom(deprecated), false), is(true));
assertThat(withDeprecations.match("barFoo", ParseField.EMPTY_FLAGS), is(true)); assertThat(withDeprecations.match("barFoo", false), is(true));
// now with strict mode // now with strict mode
EnumSet<ParseField.Flag> flags = EnumSet.of(ParseField.Flag.STRICT); assertThat(field.match(randomFrom(values), true), is(true));
assertThat(field.match(randomFrom(values), flags), is(true)); assertThat(field.match("foo bar", true), is(false));
assertThat(field.match("foo bar", flags), is(false)); assertThat(field.match(randomFrom(deprecated), true), is(false));
assertThat(field.match(randomFrom(deprecated), flags), is(false)); assertThat(field.match("barFoo", true), is(false));
assertThat(field.match("barFoo", flags), is(false));
assertThat(withDeprecations.match(randomFrom(values), flags), is(true)); assertThat(withDeprecations.match(randomFrom(values), true), is(true));
assertThat(withDeprecations.match("foo bar", flags), is(false)); assertThat(withDeprecations.match("foo bar", true), is(false));
try { IllegalArgumentException e = expectThrows(IllegalArgumentException.class,
withDeprecations.match(randomFrom(deprecated), flags); () -> withDeprecations.match(randomFrom(deprecated), true));
fail(); assertThat(e.getMessage(), containsString("used, expected [foo_bar] instead"));
} catch (IllegalArgumentException ex) { e = expectThrows(IllegalArgumentException.class, () -> withDeprecations.match("barFoo", true));
assertThat(e.getMessage(), containsString("Deprecated field [barFoo] used, expected [foo_bar] instead"));
}
try {
withDeprecations.match("barFoo", flags);
fail();
} catch (IllegalArgumentException ex) {
}
} }
public void testAllDeprecated() { public void testAllDeprecated() {
@ -72,30 +62,29 @@ public class ParseFieldTests extends ESTestCase {
boolean withDeprecatedNames = randomBoolean(); boolean withDeprecatedNames = randomBoolean();
String[] deprecated = new String[]{"text", "same_as_text"}; String[] deprecated = new String[]{"text", "same_as_text"};
String[] allValues = values; String[] allValues;
if (withDeprecatedNames) { if (withDeprecatedNames) {
String[] newArray = new String[allValues.length + deprecated.length]; String[] newArray = new String[values.length + deprecated.length];
System.arraycopy(allValues, 0, newArray, 0, allValues.length); System.arraycopy(values, 0, newArray, 0, values.length);
System.arraycopy(deprecated, 0, newArray, allValues.length, deprecated.length); System.arraycopy(deprecated, 0, newArray, values.length, deprecated.length);
allValues = newArray; allValues = newArray;
} else {
allValues = values;
} }
ParseField field = new ParseField(randomFrom(values)); ParseField field;
if (withDeprecatedNames) { if (withDeprecatedNames) {
field = field.withDeprecation(deprecated); field = new ParseField(randomFrom(values)).withDeprecation(deprecated).withAllDeprecated("like");
} else {
field = new ParseField(randomFrom(values)).withAllDeprecated("like");
} }
field = field.withAllDeprecated("like");
// strict mode off // strict mode off
assertThat(field.match(randomFrom(allValues), ParseField.EMPTY_FLAGS), is(true)); assertThat(field.match(randomFrom(allValues), false), is(true));
assertThat(field.match("not a field name", ParseField.EMPTY_FLAGS), is(false)); assertThat(field.match("not a field name", false), is(false));
// now with strict mode // now with strict mode
EnumSet<ParseField.Flag> flags = EnumSet.of(ParseField.Flag.STRICT); IllegalArgumentException e = expectThrows(IllegalArgumentException.class, () -> field.match(randomFrom(allValues), true));
try { assertThat(e.getMessage(), containsString(" used, replaced by [like]"));
field.match(randomFrom(allValues), flags);
fail();
} catch (IllegalArgumentException ex) {
}
} }
} }