IsEqualToExpTest.java

package com.hubspot.jinjava.lib.exptest;

import java.util.Objects;

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.interpret.InterpretException;
import com.hubspot.jinjava.interpret.JinjavaInterpreter;

@JinjavaDoc(
    value = "Check if an object has the same value as another object",
    params = {
        @JinjavaParam(value = "other", type = "object", desc = "Another object to check equality against")
    },
    snippets = {
        @JinjavaSnippet(
            code = "{% if foo.expression is equalto 42 %}\n" +
                "    the foo attribute evaluates to the constant 42\n" +
                "{% endif %}\n"),
        @JinjavaSnippet(
            desc = "Usage with the selectattr filter",
            code = "{{ users|selectattr(\"email\", \"equalto\", \"foo@bar.invalid\") }}"),
    })
public class IsEqualToExpTest implements ExpTest {

  @Override
  public String getName() {
    return "equalto";
  }

  @Override
  public boolean evaluate(Object var, JinjavaInterpreter interpreter,
      Object... args) {
    if (args.length == 0) {
      throw new InterpretException(getName() + " test requires 1 argument");
    }

    return Objects.equals(var, args[0]);
  }

}