ZIP archive support for multiple YANG files delivery on Schema Set creation using REST

Issue-ID: CPS-180
Change-Id: I7e78a595593b170b981746e9aed1a7e5a45b202a
Signed-off-by: Ruslan Kashapov <ruslan.kashapov@pantheon.tech>

2 files changed, 118 insertions, 18 deletions

diff --git a/cps-rest/src/test/groovy/org/onap/cps/rest/controller/AdminRestControllerSpec.groovy b/cps-rest/src/test/groovy/org/onap/cps/rest/controller/AdminRestControllerSpec.groovy
index a95d606a3..60f54bfa7 100644
--- a/cps-rest/src/test/groovy/org/onap/cps/rest/controller/AdminRestControllerSpec.groovy
+++ b/cps-rest/src/test/groovy/org/onap/cps/rest/controller/AdminRestControllerSpec.groovy
@@ -37,6 +37,7 @@ import org.springframework.test.web.servlet.MockMvc
 import org.springframework.util.LinkedMultiValueMap
 import org.springframework.util.MultiValueMap
 import spock.lang.Specification
+import spock.lang.Unroll
 
 import static org.onap.cps.spi.CascadeDeleteAllowed.CASCADE_DELETE_PROHIBITED
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete
@@ -85,29 +86,66 @@ class AdminRestControllerSpec extends Specification {
             response.status == HttpStatus.BAD_REQUEST.value()
     }
 
-    def 'Create schema set from yang file'() {
+    def 'Create schema set from yang file.'() {
         def yangResourceMapCapture
-        given:
+        given: 'single yang file'
             def multipartFile = createMultipartFile("filename.yang", "content")
-        when:
+        when: 'file uploaded with schema set create request'
             def response = performCreateSchemaSetRequest(multipartFile)
-        then: 'Service method is invoked with expected parameters'
+        then: 'associated service method is invoked with expected parameters'
             1 * mockCpsModuleService.createSchemaSet('test-dataspace', 'test-schema-set', _) >>
                     { args -> yangResourceMapCapture = args[2] }
             yangResourceMapCapture['filename.yang'] == 'content'
-        and: 'Response code indicates success'
+        and: 'response code indicates success'
             response.status == HttpStatus.CREATED.value()
     }
 
-    def 'Create schema set from file with invalid filename extension'() {
-        given:
+    def 'Create schema set from zip archive.'() {
+        def yangResourceMapCapture
+        given: 'zip archive with multiple .yang files inside'
+            def multipartFile = createZipMultipartFileFromResource("/yang-files-set.zip")
+        when: 'file uploaded with schema set create request'
+            def response = performCreateSchemaSetRequest(multipartFile)
+        then: 'associated service method is invoked with expected parameters'
+            1 * mockCpsModuleService.createSchemaSet('test-dataspace', 'test-schema-set', _) >>
+                    { args -> yangResourceMapCapture = args[2] }
+            yangResourceMapCapture['assembly.yang'] == "fake assembly content 1\n"
+            yangResourceMapCapture['component.yang'] == "fake component content 1\n"
+        and: 'response code indicates success'
+            response.status == HttpStatus.CREATED.value()
+    }
+
+    @Unroll
+    def 'Create schema set from zip archive having #caseDescriptor.'() {
+        when: 'zip archive having #caseDescriptor is uploaded with create schema set request'
+            def response = performCreateSchemaSetRequest(multipartFile)
+        then: 'create schema set rejected'
+            response.status == HttpStatus.BAD_REQUEST.value()
+        where: 'following cases are tested'
+            caseDescriptor                        | multipartFile
+            'no .yang files inside'               | createZipMultipartFileFromResource("/no-yang-files.zip")
+            'multiple .yang files with same name' | createZipMultipartFileFromResource("/yang-files-multiple-sets.zip")
+    }
+
+    def 'Create schema set from file with unsupported filename extension.'() {
+        given: 'file with unsupported filename extension (.doc)'
             def multipartFile = createMultipartFile("filename.doc", "content")
-        when:
+        when: 'file uploaded with schema set create request'
             def response = performCreateSchemaSetRequest(multipartFile)
-        then: 'Create schema fails'
+        then: 'create schema set rejected'
             response.status == HttpStatus.BAD_REQUEST.value()
     }
 
+    @Unroll
+    def 'Create schema set from #fileType file with IOException occurrence on processing.'() {
+        when: 'file uploaded with schema set create request'
+            def response = performCreateSchemaSetRequest(createMultipartFileForIOException(fileType))
+        then: 'the error response returned indicating internal server error occurrence'
+            response.status == HttpStatus.INTERNAL_SERVER_ERROR.value()
+        where: 'following file types are used'
+            fileType << ['YANG', 'ZIP']
+    }
+
     def 'Delete schema set.'() {
         when: 'delete schema set endpoint is invoked'
             def response = performDeleteRequest(schemaSetEndpoint)
@@ -138,6 +176,19 @@ class AdminRestControllerSpec extends Specification {
         return new MockMultipartFile("file", filename, "text/plain", content.getBytes())
     }
 
+    def createZipMultipartFileFromResource(resourcePath) {
+        return new MockMultipartFile("file", "test.zip", "application/zip",
+                getClass().getResource(resourcePath).getBytes())
+    }
+
+    def createMultipartFileForIOException(extension) {
+        def multipartFile = Mock(MockMultipartFile)
+        multipartFile.getOriginalFilename() >> "TEST." + extension
+        multipartFile.getBytes() >> { throw new IOException() }
+        multipartFile.getInputStream() >> { throw new IOException() }
+        return multipartFile
+    }
+
     def performCreateSchemaSetRequest(multipartFile) {
         return mvc.perform(
                 multipart(schemaSetsEndpoint)
diff --git a/cps-rest/src/test/groovy/org/onap/cps/rest/utils/MultipartFileUtilSpec.groovy b/cps-rest/src/test/groovy/org/onap/cps/rest/utils/MultipartFileUtilSpec.groovy
index ba5aa4cac..3e2bdec37 100644
--- a/cps-rest/src/test/groovy/org/onap/cps/rest/utils/MultipartFileUtilSpec.groovy
+++ b/cps-rest/src/test/groovy/org/onap/cps/rest/utils/MultipartFileUtilSpec.groovy
@@ -19,30 +19,79 @@
 
 package org.onap.cps.rest.utils
 
+import org.onap.cps.spi.exceptions.CpsException
 import org.onap.cps.spi.exceptions.ModelValidationException
 import org.springframework.mock.web.MockMultipartFile
+import org.springframework.web.multipart.MultipartFile
 import spock.lang.Specification
+import spock.lang.Unroll
 
 class MultipartFileUtilSpec extends Specification {
 
-    def 'Extract yang resource from multipart file'() {
-        given:
+    def 'Extract yang resource from yang file.'() {
+        given: 'uploaded yang file'
             def multipartFile = new MockMultipartFile("file", "filename.yang", "text/plain", "content".getBytes())
-        when:
+        when: 'resources are extracted from the file'
             def result = MultipartFileUtil.extractYangResourcesMap(multipartFile)
-        then:
-            assert result != null
+        then: 'the expected name and content are extracted as result'
             assert result.size() == 1
             assert result.get("filename.yang") == "content"
     }
 
-    def 'Extract yang resource from  file with invalid filename extension'() {
-        given:
+    def 'Extract yang resources from zip archive.'() {
+        given: 'uploaded zip archive containing 2 yang files and 1 not yang (json) file'
+            def multipartFile = new MockMultipartFile("file", "TEST.ZIP", "application/zip",
+                    getClass().getResource("/yang-files-set.zip").getBytes())
+        when: 'resources are extracted from zip file'
+            def result = MultipartFileUtil.extractYangResourcesMap(multipartFile)
+        then: 'information from yang files is extracted, not yang file (json) is ignored'
+            assert result.size() == 2
+            assert result["assembly.yang"] == "fake assembly content 1\n"
+            assert result["component.yang"] == "fake component content 1\n"
+    }
+
+    @Unroll
+    def 'Extract resources from zip archive having #caseDescriptor.'() {
+        when: 'attempt to extract resources from zip file is performed'
+            MultipartFileUtil.extractYangResourcesMap(multipartFile)
+        then: 'the validation exception is thrown indicating invalid zip file content'
+            thrown(ModelValidationException)
+        where: 'following cases are tested'
+            caseDescriptor                      | multipartFile
+            'text files only'                   | multipartZipFileFromResource("/no-yang-files.zip")
+            'multiple yang file with same name' | multipartZipFileFromResource("/yang-files-multiple-sets.zip")
+    }
+
+    def 'Extract yang resource from a file with invalid filename extension.'() {
+        given: 'uploaded file with unsupported (.doc) exception'
             def multipartFile = new MockMultipartFile("file", "filename.doc", "text/plain", "content".getBytes())
-        when:
+        when: 'attempt to extract resources from the file is performed'
             MultipartFileUtil.extractYangResourcesMap(multipartFile)
-        then:
+        then: 'validation exception is thrown indicating the file type is not supported'
             thrown(ModelValidationException)
     }
 
+    @Unroll
+    def 'IOException thrown during yang resources extraction from #fileType file.'() {
+        when: 'attempt to extract resources from the file is performed'
+            MultipartFileUtil.extractYangResourcesMap(multipartFileForIOException(fileType))
+        then: 'CpsException is thrown indicating the internal error occurrence'
+            thrown(CpsException)
+        where: 'following file types are used'
+            fileType << ['YANG', 'ZIP']
+    }
+
+    def multipartZipFileFromResource(resourcePath) {
+        return new MockMultipartFile("file", "TEST.ZIP", "application/zip",
+                getClass().getResource(resourcePath).getBytes())
+    }
+
+    def multipartFileForIOException(extension) {
+        def multipartFile = Mock(MultipartFile)
+        multipartFile.getOriginalFilename() >> "TEST." + extension
+        multipartFile.getBytes() >> { throw new IOException() }
+        multipartFile.getInputStream() >> { throw new IOException() }
+        return multipartFile
+    }
+
 }