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Serialize lazy expression as its underlying value. #370

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Merged
mattcoley merged 2 commits into from
Sep 9, 2019
Merged

Serialize lazy expression as its underlying value. #370

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5bb188e
Seralize lazy expression as its underlying value.
Sep 9, 2019
d5f3130
Add dep
Sep 9, 2019
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4 changes: 4 additions & 0 deletions pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -95,6 +95,10 @@
<groupId>com.google.code.findbugs</groupId>
<artifactId>annotations</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
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3 changes: 3 additions & 0 deletions src/main/java/com/hubspot/jinjava/interpret/LazyExpression.java
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Expand Up @@ -2,6 +2,8 @@

import java.util.function.Supplier;

import com.fasterxml.jackson.annotation.JsonValue;

public class LazyExpression implements Supplier {

private final Supplier supplier;
Expand All @@ -17,6 +19,7 @@ public static LazyExpression of(Supplier supplier, String image) {
}

@Override
@JsonValue
public Object get() {
return supplier.get();
}
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18 changes: 18 additions & 0 deletions src/test/java/com/hubspot/jinjava/interpret/LazyExpressionTest.java
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@@ -0,0 +1,18 @@
package com.hubspot.jinjava.interpret;

import static org.assertj.core.api.Assertions.assertThat;

import org.junit.Test;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.collect.ImmutableMap;

public class LazyExpressionTest {

@Test
public void itSerializesUnderlyingValue() throws JsonProcessingException {
LazyExpression expression = LazyExpression.of(() -> ImmutableMap.of("test", "hello", "test2", "hello2"), "{}");
assertThat(new ObjectMapper().writeValueAsString(expression)).isEqualTo("{\"test\":\"hello\",\"test2\":\"hello2\"}");
}
}