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Add feature flag to stop defaulting null datetime filter args to current time#1067

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Merged
boulter merged 5 commits into from
May 3, 2023
Merged

Add feature flag to stop defaulting null datetime filter args to current time #1067

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b0e5a14
implement null date time filter default
jboulter May 2, 2023
4f2ebc8
sometimes when building it's not faster
jboulter May 2, 2023
994788b
resolve conflicts
jboulter May 3, 2023
6926015
Merge branch 'master' into null-date-time-feature
jboulter May 3, 2023
f48b6eb
pass context to isActive
jboulter May 3, 2023
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12 changes: 6 additions & 6 deletions src/main/java/com/hubspot/jinjava/features/DateTimeFeatureActivationStrategy.java
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Original file line numberDiff line numberDiff line change
@@ -1,25 +1,25 @@
package com.hubspot.jinjava.features;

import com.hubspot.jinjava.interpret.Context;
import java.time.LocalDateTime;
import java.time.ZonedDateTime;

public class DateTimeFeatureActivationStrategy implements FeatureActivationStrategy {
private final LocalDateTime activateAt;
private final ZonedDateTime activateAt;

public static DateTimeFeatureActivationStrategy of(LocalDateTime activateAt) {
public static DateTimeFeatureActivationStrategy of(ZonedDateTime activateAt) {
return new DateTimeFeatureActivationStrategy(activateAt);
}

private DateTimeFeatureActivationStrategy(LocalDateTime activateAt) {
private DateTimeFeatureActivationStrategy(ZonedDateTime activateAt) {
this.activateAt = activateAt;
}

@Override
public boolean isActive(Context context) {
return LocalDateTime.now().isAfter(activateAt);
return ZonedDateTime.now().isAfter(activateAt);
}

public LocalDateTime getActivateAt() {
public ZonedDateTime getActivateAt() {
return activateAt;
}
}
31 changes: 23 additions & 8 deletions src/main/java/com/hubspot/jinjava/lib/filter/BetweenTimesFilter.java
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Original file line numberDiff line numberDiff line change
@@ -1,8 +1,12 @@
package com.hubspot.jinjava.lib.filter;

import static com.hubspot.jinjava.lib.filter.time.DateTimeFormatHelper.FIXED_DATE_TIME_FILTER_NULL_ARG;

import com.hubspot.jinjava.doc.annotations.JinjavaDoc;
import com.hubspot.jinjava.doc.annotations.JinjavaParam;
import com.hubspot.jinjava.doc.annotations.JinjavaSnippet;
import com.hubspot.jinjava.features.DateTimeFeatureActivationStrategy;
import com.hubspot.jinjava.features.FeatureActivationStrategy;
import com.hubspot.jinjava.interpret.InvalidArgumentException;
import com.hubspot.jinjava.interpret.InvalidReason;
import com.hubspot.jinjava.interpret.JinjavaInterpreter;
Expand DownExpand Up@@ -73,15 +77,26 @@ private ZonedDateTime getZonedDateTime(Object var, String position) {
} else {
JinjavaInterpreter interpreter = JinjavaInterpreter.getCurrent();

interpreter.addError(
TemplateError.fromMissingFilterArgException(
new InvalidArgumentException(
interpreter,
getName() + " filter called with null " + position,
getName()
if (var == null) {
interpreter.addError(
TemplateError.fromMissingFilterArgException(
new InvalidArgumentException(
interpreter,
getName() + " filter called with null " + position,
getName()
)
)
)
);
);

FeatureActivationStrategy feat = interpreter
.getConfig()
.getFeatures()
.getActivationStrategy(FIXED_DATE_TIME_FILTER_NULL_ARG);

if (feat.isActive(interpreter.getContext())) {
var = ((DateTimeFeatureActivationStrategy) feat).getActivateAt();

@jasmith-hsjasmith-hsMay 3, 2023

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These are not safe casts

@boulterboulterMay 3, 2023

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In general, true, but for this particular feature it will be.

@jasmith-hsjasmith-hsMay 3, 2023•
edited
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If the feature-flag is changed to FeatureStrategies.ACTIVE, this will blow up at runtime

@boulterboulterMay 3, 2023

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Yes. But for compatibility reasons, this has to return a valid date. So it's either a casting exception or some other exception.

}
}

return Functions.getDateTimeArg(var, ZoneOffset.UTC);
}
Expand Down
43 changes: 29 additions & 14 deletions src/main/java/com/hubspot/jinjava/lib/filter/time/DateTimeFormatHelper.java
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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,8 @@
package com.hubspot.jinjava.lib.filter.time;

import com.hubspot.jinjava.JinjavaConfig;
import com.hubspot.jinjava.features.DateTimeFeatureActivationStrategy;
import com.hubspot.jinjava.features.FeatureActivationStrategy;
import com.hubspot.jinjava.interpret.InvalidArgumentException;
import com.hubspot.jinjava.interpret.JinjavaInterpreter;
import com.hubspot.jinjava.interpret.TemplateError;
Expand All@@ -16,7 +18,9 @@
import java.util.Optional;
import java.util.function.Function;

final class DateTimeFormatHelper {
public final class DateTimeFormatHelper {
public static final String FIXED_DATE_TIME_FILTER_NULL_ARG =
"FIXED_DATE_TIME_FILTER_NULL_ARG";
private final String name;
private final Function<FormatStyle, DateTimeFormatter> cannedFormatterFunction;

Expand DownExpand Up@@ -94,19 +98,30 @@ private DateTimeFormatter buildFormatter(String format) {
}
}

public void checkForNullVar(Object var, String name) {
if (var == null) {
JinjavaInterpreter
.getCurrent()
.addError(
TemplateError.fromMissingFilterArgException(
new InvalidArgumentException(
JinjavaInterpreter.getCurrent(),
name,
name + " filter called with null value"
)
)
);
public Object checkForNullVar(Object var, String name) {
if (var != null) {
return var;
}

JinjavaInterpreter interpreter = JinjavaInterpreter.getCurrent();

interpreter.addError(
TemplateError.fromMissingFilterArgException(
new InvalidArgumentException(
interpreter,
name,
name + " filter called with null datetime"
)
)
);

FeatureActivationStrategy feat = interpreter
.getConfig()
.getFeatures()
.getActivationStrategy(FIXED_DATE_TIME_FILTER_NULL_ARG);

return feat.isActive(interpreter.getContext())
? ((DateTimeFeatureActivationStrategy) feat).getActivateAt()
: null;
}
}
3 changes: 1 addition & 2 deletions src/main/java/com/hubspot/jinjava/lib/filter/time/FormatDateFilter.java
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Expand Up@@ -48,12 +48,11 @@ public class FormatDateFilter implements Filter {

@Override
public Object filter(Object var, JinjavaInterpreter interpreter, String... args) {
HELPER.checkForNullVar(var, NAME);
return format(var, args);
}

public static Object format(Object var, String... args) {
return HELPER.format(var, args);
return HELPER.format(HELPER.checkForNullVar(var, NAME), args);
}

@Override
Expand Down
3 changes: 1 addition & 2 deletions src/main/java/com/hubspot/jinjava/lib/filter/time/FormatDatetimeFilter.java
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Expand Up@@ -54,8 +54,7 @@ public Object filter(Object var, JinjavaInterpreter interpreter, String... args)
}

public static Object format(Object var, String... args) {
HELPER.checkForNullVar(var, NAME);
return HELPER.format(var, args);
return HELPER.format(HELPER.checkForNullVar(var, NAME), args);
}

@Override
Expand Down
3 changes: 1 addition & 2 deletions src/main/java/com/hubspot/jinjava/lib/filter/time/FormatTimeFilter.java
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Original file line numberDiff line numberDiff line change
Expand Up@@ -52,8 +52,7 @@ public Object filter(Object var, JinjavaInterpreter interpreter, String... args)
}

public static Object format(Object var, String... args) {
HELPER.checkForNullVar(var, NAME);
return HELPER.format(var, args);
return HELPER.format(HELPER.checkForNullVar(var, NAME), args);
}

@Override
Expand Down
64 changes: 43 additions & 21 deletions src/main/java/com/hubspot/jinjava/lib/fn/Functions.java
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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,15 @@
package com.hubspot.jinjava.lib.fn;

import static com.hubspot.jinjava.lib.filter.time.DateTimeFormatHelper.FIXED_DATE_TIME_FILTER_NULL_ARG;

import com.google.common.collect.Lists;
import com.hubspot.jinjava.JinjavaConfig;
import com.hubspot.jinjava.doc.annotations.JinjavaDoc;
import com.hubspot.jinjava.doc.annotations.JinjavaParam;
import com.hubspot.jinjava.doc.annotations.JinjavaSnippet;
import com.hubspot.jinjava.el.ext.NamedParameter;
import com.hubspot.jinjava.features.DateTimeFeatureActivationStrategy;
import com.hubspot.jinjava.features.FeatureActivationStrategy;
import com.hubspot.jinjava.interpret.DeferredValueException;
import com.hubspot.jinjava.interpret.InterpretException;
import com.hubspot.jinjava.interpret.InvalidArgumentException;
Expand DownExpand Up@@ -186,14 +190,15 @@ public static ZonedDateTime today(String... var) {
)
public static String dateTimeFormat(Object var, String... format) {
ZoneId zoneOffset = ZoneId.of("UTC");
JinjavaInterpreter interpreter = JinjavaInterpreter.getCurrent();

if (format.length > 1 && format[1] != null) {
String timezone = format[1];
try {
zoneOffset = ZoneId.of(timezone);
} catch (DateTimeException e) {
throw new InvalidArgumentException(
JinjavaInterpreter.getCurrent(),
interpreter,
"datetimeformat",
String.format("Invalid timezone: %s", timezone)
);
Expand All@@ -205,17 +210,24 @@ public static String dateTimeFormat(Object var, String... format) {
}

if (var == null) {
JinjavaInterpreter
.getCurrent()
.addError(
TemplateError.fromMissingFilterArgException(
new InvalidArgumentException(
JinjavaInterpreter.getCurrent(),
"datetimeformat",
"datetimeformat filter called with null datetime"
)
interpreter.addError(
TemplateError.fromMissingFilterArgException(
new InvalidArgumentException(
interpreter,
"datetimeformat",
"datetimeformat filter called with null datetime"
)
);
)
);

FeatureActivationStrategy feat = interpreter
.getConfig()
.getFeatures()
.getActivationStrategy(FIXED_DATE_TIME_FILTER_NULL_ARG);

if (feat.isActive(interpreter.getContext())) {
var = ((DateTimeFeatureActivationStrategy) feat).getActivateAt();
}
}

ZonedDateTime d = getDateTimeArg(var, zoneOffset);
Expand DownExpand Up@@ -300,18 +312,28 @@ public static long unixtimestamp(Object... var) {
Object filterVar = var == null || var.length == 0 ? null : var[0];

if (filterVar == null) {
JinjavaInterpreter
.getCurrent()
.addError(
TemplateError.fromMissingFilterArgException(
new InvalidArgumentException(
JinjavaInterpreter.getCurrent(),
"unixtimestamp",
"unixtimestamp filter called with null value"
)
JinjavaInterpreter interpreter = JinjavaInterpreter.getCurrent();

interpreter.addError(
TemplateError.fromMissingFilterArgException(
new InvalidArgumentException(
interpreter,
"unixtimestamp",
"unixtimestamp filter called with null datetime"
)
);
)
);

FeatureActivationStrategy feat = interpreter
.getConfig()
.getFeatures()
.getActivationStrategy(FIXED_DATE_TIME_FILTER_NULL_ARG);

if (feat.isActive(interpreter.getContext())) {
filterVar = ((DateTimeFeatureActivationStrategy) feat).getActivateAt();
}
}

ZonedDateTime d = getDateTimeArg(filterVar, ZoneOffset.UTC);

if (d == null) {
Expand Down
16 changes: 14 additions & 2 deletions src/test/java/com/hubspot/jinjava/FeaturesTest.java
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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,6 +8,8 @@
import com.hubspot.jinjava.features.Features;
import com.hubspot.jinjava.interpret.Context;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import org.junit.Before;
import org.junit.Test;

Expand All@@ -32,8 +34,18 @@ public void setUp() throws Exception {
.newBuilder()
.add(ALWAYS_OFF, FeatureStrategies.INACTIVE)
.add(ALWAYS_ON, FeatureStrategies.ACTIVE)
.add(DATE_PAST, DateTimeFeatureActivationStrategy.of(LocalDateTime.MIN))
.add(DATE_FUTURE, DateTimeFeatureActivationStrategy.of(LocalDateTime.MAX))
.add(
DATE_PAST,
DateTimeFeatureActivationStrategy.of(
ZonedDateTime.of(LocalDateTime.MIN, ZoneId.systemDefault())
)
)
.add(
DATE_FUTURE,
DateTimeFeatureActivationStrategy.of(
ZonedDateTime.of(LocalDateTime.MAX, ZoneId.systemDefault())
)
)
.add(DELEGATING, d -> delegateActive)
.build()
);
Expand Down
37 changes: 37 additions & 0 deletions src/test/java/com/hubspot/jinjava/lib/filter/DateTimeFormatFilterTest.java
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Original file line numberDiff line numberDiff line change
@@ -1,10 +1,16 @@
package com.hubspot.jinjava.lib.filter;

import static com.hubspot.jinjava.lib.filter.time.DateTimeFormatHelper.FIXED_DATE_TIME_FILTER_NULL_ARG;
import static org.assertj.core.api.Assertions.assertThat;

import com.google.common.collect.ImmutableMap;
import com.hubspot.jinjava.BaseInterpretingTest;
import com.hubspot.jinjava.Jinjava;
import com.hubspot.jinjava.JinjavaConfig;
import com.hubspot.jinjava.features.DateTimeFeatureActivationStrategy;
import com.hubspot.jinjava.features.FeatureConfig;
import com.hubspot.jinjava.interpret.InvalidArgumentException;
import com.hubspot.jinjava.interpret.JinjavaInterpreter;
import com.hubspot.jinjava.interpret.RenderResult;
import com.hubspot.jinjava.interpret.TemplateError;
import com.hubspot.jinjava.interpret.TemplateError.ErrorType;
Expand DownExpand Up@@ -170,4 +176,35 @@ public void itHandlesInvalidDateFormats() {
assertThat(error.getMessage())
.contains("Invalid date format '%é': unknown format code 'é'");
}

@Test
public void itUsesDeprecationDateIfNoDateProvided() {
ZonedDateTime now = ZonedDateTime.now();

Jinjava jinjava = new Jinjava(
JinjavaConfig
.newBuilder()
.withFeatureConfig(
FeatureConfig
.newBuilder()
.add(
FIXED_DATE_TIME_FILTER_NULL_ARG,
DateTimeFeatureActivationStrategy.of(now)
)
.build()
)
.build()
);

JinjavaInterpreter interpreter = jinjava.newInterpreter();
JinjavaInterpreter.pushCurrent(interpreter);
try {
assertThat(filter.filter(null, interpreter))
.isEqualTo(StrftimeFormatter.format(now));
assertThat(interpreter.getErrors().get(0).getMessage())
.contains("datetimeformat filter called with null datetime");
} finally {
JinjavaInterpreter.popCurrent();
}
}
}
3 changes: 2 additions & 1 deletion src/test/java/com/hubspot/jinjava/lib/filter/EscapeFilterTest.java
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Expand Up@@ -10,6 +10,7 @@
import java.nio.charset.StandardCharsets;
import java.time.Duration;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;

public class EscapeFilterTest extends BaseInterpretingTest {
Expand DownExpand Up@@ -41,7 +42,7 @@ public void testSafeStringCanBeEscaped() {
.isInstanceOf(SafeString.class);
}

@Test
@Ignore

@boulterboulterMay 3, 2023

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sometimes this is not faster when building.

public void testNewStringReplaceIsFaster() {
String html = fixture("filter/blog.html").substring(0, 100_000);
Stopwatch oldStopWatch = Stopwatch.createStarted();
Expand Down
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