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Refactor ResourceCapableCacheDataImporterExporter to not fail on missing Resources for import and rather log a warning.

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It is valid that a Resource may not exist for a Region on import since the user may not want to import any data into the Region.

Resolves gh-92.
This commit is contained in:
John Blum
2020-07-22 16:59:47 -07:00
parent f23675fec5
commit 61ec8ccb28
2 changed files with 72 additions and 36 deletions
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78
spring-geode/src/test/java/org/springframework/geode/data/support/ResourceCapableCacheDataImporterExporterUnitTests.java
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@@ -68,6 +68,7 @@ import org.slf4j.Logger;
* Unit Tests for {@link ResourceCapableCacheDataImporterExporter}.
*
* @author John Blum
* @see java.io.File
* @see org.junit.Test
* @see org.mockito.Mockito
* @see org.apache.geode.cache.Region
@@ -76,7 +77,9 @@ import org.slf4j.Logger;
* @see org.springframework.core.io.Resource
* @see org.springframework.core.io.ResourceLoader
* @see org.springframework.core.io.WritableResource
* @see org.springframework.expression.spel.standard.SpelExpressionParser
* @see org.springframework.geode.core.io.ResourceReader
* @see org.springframework.geode.core.io.ResourceResolver
* @see org.springframework.geode.core.io.ResourceWriter
* @see org.springframework.geode.data.support.ResourceCapableCacheDataImporterExporter
* @since 1.3.1
@@ -659,10 +662,10 @@ public class ResourceCapableCacheDataImporterExporterUnitTests {
verify(mockResource, times(1)).isWritable();
verify(mockResource, times(1)).getDescription();
verify(mockLogger, times(1))
.warn(eq("WARNING! Resource [{}] at location [{}] does not exist; will try to create it on export"),
.warn(eq("Resource [{}] at location [{}] does not exist; will try to create it on export"),
eq("MOCK"), eq("/path/to/resource.xml"));
verify(mockLogger, times(1))
.warn(eq("WARNING! Resource [{}] for Region [{}] is not writable"), eq("/path/to/resource.xml"),
.warn(eq("Resource [{}] for Region [{}] is not writable"), eq("/path/to/resource.xml"),
eq("/Example"));
verify(mockRegion, times(1)).getFullPath();
verifyNoMoreInteractions(mockLogger, mockRegion, mockResource, mockResourceLoader);
@@ -683,6 +686,9 @@ public class ResourceCapableCacheDataImporterExporterUnitTests {
throw expected;
}
finally {
verify(exportResourceResolver, never()).resolve(anyString());
}
}
@Test
@@ -717,56 +723,68 @@ public class ResourceCapableCacheDataImporterExporterUnitTests {
eq(ResourceCapableCacheDataImporterExporter.CACHE_DATA_IMPORT_RESOURCE_LOCATION_PROPERTY_NAME));
verify(importResourceResolver, times(1)).resolve(eq("/path/to/resource.json"));
verify(mockResource, times(1)).isReadable();
verifyNoMoreInteractions(mockRegion);
verifyNoMoreInteractions(mockResource);
verifyNoInteractions(mockRegion);
}
@Test(expected = IllegalStateException.class)
public void resolveImportResourceWhenResourceIsNotPresentThrowsIllegalStateException() {
@Test
public void resolveImportResourceWhenResourceIsMissingLogsWarningsReturnsEmptyOptional() {
Logger mockLogger = mock(Logger.class);
Region<?, ?> mockRegion = mock(Region.class);
doReturn("/Example").when(mockRegion).getFullPath();
Resource mockResource = mock(Resource.class);
ResourceLoader mockResourceLoader = mock(ResourceLoader.class);
AbstractImportResourceResolver importResourceResolver = spy(new TestImportResourceResolver());
importResourceResolver.setResourceLoader(mockResourceLoader);
doReturn("/Example").when(mockRegion).getFullPath();
doReturn(false).when(mockResource).exists();
doReturn("MOCK").when(mockResource).getDescription();
doReturn(mockResource).when(mockResourceLoader).getResource(eq("/path/to/resource.json"));
doReturn(mockLogger).when(importResourceResolver).getLogger();
doReturn("/path/to/resource.json")
.when(importResourceResolver).getResourceLocation(eq(mockRegion),
eq(ResourceCapableCacheDataImporterExporter.CACHE_DATA_IMPORT_RESOURCE_LOCATION_PROPERTY_NAME));
doReturn(Optional.empty()).when(importResourceResolver).resolve(eq("/path/to/resource.json"));
assertThat(importResourceResolver.resolve(mockRegion).orElse(null)).isNull();
try {
importResourceResolver.resolve(mockRegion);
}
catch (IllegalStateException expected) {
assertThat(expected).hasMessage("Resource [/path/to/resource.json] for Region [/Example] does not exist");
assertThat(expected).hasNoCause();
throw expected;
}
finally {
verify(importResourceResolver, times(1)).getResourceLocation(eq(mockRegion),
eq(ResourceCapableCacheDataImporterExporter.CACHE_DATA_IMPORT_RESOURCE_LOCATION_PROPERTY_NAME));
verify(importResourceResolver, times(1)).resolve(eq("/path/to/resource.json"));
verify(mockRegion, times(1)).getFullPath();
verifyNoMoreInteractions(mockRegion);
}
verify(importResourceResolver, times(1)).getResourceLocation(eq(mockRegion),
eq(ResourceCapableCacheDataImporterExporter.CACHE_DATA_IMPORT_RESOURCE_LOCATION_PROPERTY_NAME));
verify(importResourceResolver, times(1)).resolve(eq("/path/to/resource.json"));
verify(mockResourceLoader, times(1)).getResource(eq("/path/to/resource.json"));
verify(mockResource, times(1)).exists();
verify(mockResource, times(1)).getDescription();
verify(mockRegion, times(1)).getFullPath();
verify(mockLogger, times(1))
.warn(eq("Resource [{}] at location [{}] does not exist; skipping import"),
eq("MOCK"), eq("/path/to/resource.json"));
verify(mockLogger, times(1))
.warn(eq("Resource [{}] for Region [{}] could not be found; skipping import for Region"),
eq("/path/to/resource.json"), eq("/Example"));
verifyNoMoreInteractions(mockLogger, mockRegion, mockResource, mockResourceLoader);
}
@Test(expected = IllegalStateException.class)
public void resolveImportResourceWhenResourceIsNotReadableThrowsIllegalStateException() {
Region<?, ?> mockRegion = mock(Region.class);
Logger mockLogger = mock(Logger.class);
doReturn("/Example").when(mockRegion).getFullPath();
Region<?, ?> mockRegion = mock(Region.class);
Resource mockResource = mock(Resource.class);
AbstractImportResourceResolver importResourceResolver = spy(new TestImportResourceResolver());
doReturn("/Example").when(mockRegion).getFullPath();
doReturn(false).when(mockResource).isReadable();
AbstractImportResourceResolver importResourceResolver = spy(new TestImportResourceResolver());
doReturn(mockLogger).when(importResourceResolver).getLogger();
doReturn("/path/to/resource.json")
.when(importResourceResolver).getResourceLocation(eq(mockRegion),
@@ -791,13 +809,14 @@ public class ResourceCapableCacheDataImporterExporterUnitTests {
verify(mockResource, times(1)).isReadable();
verify(mockRegion, times(1)).getFullPath();
verifyNoMoreInteractions(mockRegion, mockResource);
verifyNoInteractions(mockLogger);
}
}
@Test(expected = IllegalArgumentException.class)
public void resolveImportResourceWithNullRegionThrowsIllegalArgumentException() {
AbstractImportResourceResolver importResourceResolver = new TestImportResourceResolver();
AbstractImportResourceResolver importResourceResolver = spy(new TestImportResourceResolver());
try {
importResourceResolver.resolve((Region<?, ?>) null);
@@ -809,6 +828,9 @@ public class ResourceCapableCacheDataImporterExporterUnitTests {
throw expected;
}
finally {
verify(importResourceResolver, never()).resolve(anyString());
}
}
@Test