diff options
Diffstat (limited to 'sources/hv-collector-test-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/tests/utils/arrow.kt')
-rw-r--r-- | sources/hv-collector-test-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/tests/utils/arrow.kt | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/sources/hv-collector-test-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/tests/utils/arrow.kt b/sources/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/sources/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) + } +} |