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Add behavioral tests for
ObjectMapper.registerModule(Module)
(#3873)
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src/test/java/com/fasterxml/jackson/databind/ModuleRegistrationTest.java
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package com.fasterxml.jackson.databind; | ||
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import com.fasterxml.jackson.core.Version; | ||
import com.fasterxml.jackson.databind.module.SimpleModule; | ||
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public class ModuleRegistrationTest extends BaseMapTest { | ||
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public void testCopyHasSameRegisteredModulesInDifferentSetInstances() { | ||
ObjectMapper originalMapper = newJsonMapper(); | ||
originalMapper.registerModule(_testModuleWithId("first")); | ||
originalMapper.registerModule(_testModuleWithId("second")); | ||
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ObjectMapper copyMapper = originalMapper.copy(); | ||
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assertNotSame(originalMapper, copyMapper); | ||
assertNotSame(originalMapper._registeredModuleTypes, copyMapper._registeredModuleTypes); | ||
assertEquals(originalMapper.getRegisteredModuleIds(), copyMapper.getRegisteredModuleIds()); | ||
assertTrue(originalMapper._registeredModuleTypes.containsAll(copyMapper._registeredModuleTypes)); | ||
} | ||
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private SimpleModule _testModuleWithId(String id) { | ||
return new SimpleModule() { | ||
@Override | ||
public Object getTypeId() { | ||
return id; | ||
} | ||
}; | ||
} | ||
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public void testRegisterNullModuleFails() { | ||
ObjectMapper objectMapper = newJsonMapper(); | ||
try { | ||
objectMapper.registerModule(null); | ||
fail("should not pass"); | ||
} catch (IllegalArgumentException e) { | ||
verifyException(e, "argument \"module\" is null"); | ||
} | ||
} | ||
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public void testRegisterModuleWithNullNameFails() { | ||
ObjectMapper objectMapper = newJsonMapper(); | ||
try { | ||
objectMapper.registerModule(new Module() { | ||
@Override | ||
public String getModuleName() { | ||
return null; | ||
} | ||
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@Override | ||
public Version version() { | ||
return Version.unknownVersion(); | ||
} | ||
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@Override | ||
public void setupModule(SetupContext context) {} | ||
}); | ||
fail("should not pass"); | ||
} catch (IllegalArgumentException e) { | ||
verifyException(e, "Module without defined name"); | ||
} | ||
} | ||
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public void testRegisterModuleWithNullVersionFails() { | ||
ObjectMapper objectMapper = newJsonMapper(); | ||
try { | ||
objectMapper.registerModule(new Module() { | ||
@Override | ||
public String getModuleName() { | ||
return "some-module-name"; | ||
} | ||
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@Override | ||
public Version version() { | ||
return null; | ||
} | ||
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@Override | ||
public void setupModule(SetupContext context) {} | ||
}); | ||
fail("should not pass"); | ||
} catch (IllegalArgumentException e) { | ||
verifyException(e, "Module without defined version"); | ||
} | ||
} | ||
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} |