Improve coverage of xNF simulator

Also refactor to make it possible.

Change-Id: I6da6d3f33e57c524a7e353ecebd3e045d8ceed2a
Issue-ID: DCAEGEN2-739
Signed-off-by: Piotr Jaszczyk <piotr.jaszczyk@nokia.com>

7 files changed, 123 insertions, 0 deletions

diff --git a/hv-collector-test-utils/pom.xml b/hv-collector-test-utils/pom.xml
index 3960e399..3b6c0e89 100644
--- a/hv-collector-test-utils/pom.xml
+++ b/hv-collector-test-utils/pom.xml
@@ -51,5 +51,10 @@
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <scope>compile</scope>
+        </dependency>
     </dependencies>
 </project>
\ No newline at end of file
diff --git a/hv-collector-test-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/tests/utils/arrow.kt b/hv-collector-test-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/tests/utils/arrow.kt
new file mode 100644
index 00000000..54913744
--- /dev/null
+++ b/hv-collector-test-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/tests/utils/arrow.kt
@@ -0,0 +1,62 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dcae.collectors.veshv.tests.utils
+
+import arrow.core.Either
+import arrow.core.identity
+import org.assertj.core.api.AbstractAssert
+import org.assertj.core.api.Assertions.assertThat
+import org.assertj.core.api.ObjectAssert
+
+/**
+ * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
+ * @since September 2018
+ */
+class EitherAssert<A, B>(actual: Either<A, B>)
+    : AbstractAssert<EitherAssert<A, B>, Either<A, B>>(actual, EitherAssert::class.java) {
+
+    fun isLeft(): EitherAssert<A, B> {
+        isNotNull()
+        isInstanceOf(Either.Left::class.java)
+        return myself
+    }
+
+    fun left(): ObjectAssert<A> {
+        isLeft()
+        val left =  actual.fold(
+                ::identity,
+                { throw AssertionError("should be left") })
+        return assertThat(left)
+    }
+
+    fun isRight(): EitherAssert<A, B> {
+        isNotNull()
+        isInstanceOf(Either.Right::class.java)
+        return myself
+    }
+
+    fun right(): ObjectAssert<B> {
+        isRight()
+        val right =  actual.fold(
+                { throw AssertionError("should be right") },
+                ::identity)
+        return assertThat(right)
+    }
+}
diff --git a/hv-collector-test-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/tests/utils/assertions.kt b/hv-collector-test-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/tests/utils/assertions.kt
new file mode 100644
index 00000000..d017b31b
--- /dev/null
+++ b/hv-collector-test-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/tests/utils/assertions.kt
@@ -0,0 +1,55 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dcae.collectors.veshv.tests.utils
+
+import arrow.core.Either
+import org.onap.dcae.collectors.veshv.utils.logging.Logger
+import java.time.Duration
+
+/**
+ * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
+ * @since September 2018
+ */
+
+private val logger = Logger("org.onap.dcae.collectors.veshv.tests.utils")
+
+object Assertions : org.assertj.core.api.Assertions() {
+    fun <A,B> assertThat(actual: Either<A, B>) = EitherAssert(actual)
+}
+
+
+fun waitUntilSucceeds(action: () -> Unit) = waitUntilSucceeds(50, Duration.ofMillis(10), action)
+
+fun waitUntilSucceeds(retries: Int, sleepTime: Duration, action: () -> Unit) {
+    var tryNum = 0
+    while (tryNum <= retries) {
+        tryNum++
+        try {
+            logger.debug("Try number $tryNum")
+            action()
+            break
+        } catch (ex: Throwable) {
+            if (tryNum >= retries)
+                throw ex
+            else
+                Thread.sleep(sleepTime.toMillis())
+        }
+    }
+}
diff --git a/hv-collector-test-utils/src/main/kotlin/configurations.kt b/hv-collector-test-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/tests/utils/configurations.kt
index 57843b45..57843b45 100644
--- a/hv-collector-test-utils/src/main/kotlin/configurations.kt
+++ b/hv-collector-test-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/tests/utils/configurations.kt
diff --git a/hv-collector-test-utils/src/main/kotlin/messages.kt b/hv-collector-test-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/tests/utils/messages.kt
index c6aa89b2..c6aa89b2 100644
--- a/hv-collector-test-utils/src/main/kotlin/messages.kt
+++ b/hv-collector-test-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/tests/utils/messages.kt
diff --git a/hv-collector-test-utils/src/main/kotlin/vesEvents.kt b/hv-collector-test-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/tests/utils/vesEvents.kt
index 6aeb6206..6aeb6206 100644
--- a/hv-collector-test-utils/src/main/kotlin/vesEvents.kt
+++ b/hv-collector-test-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/tests/utils/vesEvents.kt
diff --git a/hv-collector-test-utils/src/main/resources/mockito-extensions/org.mockito.plugins.MockMaker b/hv-collector-test-utils/src/main/resources/mockito-extensions/org.mockito.plugins.MockMaker
new file mode 100644
index 00000000..ca6ee9ce
--- /dev/null
+++ b/hv-collector-test-utils/src/main/resources/mockito-extensions/org.mockito.plugins.MockMaker
@@ -0,0 +1 @@
+mock-maker-inline
\ No newline at end of file