/*
 * Copyright 2022, TeamDev. All rights reserved.
 *
 * 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
 *
 * Redistribution and use in source and/or binary forms, with or without
 * modification, must retain the above copyright notice and the following
 * disclaimer.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package io.spine.protobuf

import com.google.common.truth.Truth.assertThat
import com.google.protobuf.EnumValue
import io.spine.type.KnownTypes
import io.spine.type.TypeName
import org.junit.jupiter.api.Test

internal class GoogleTypesTest {

    private val protoFiles = listOf(
        "google/protobuf/compiler/plugin.proto",
        "google/protobuf/any.proto",
        "google/protobuf/api.proto",
        "google/protobuf/descriptor.proto",
        "google/protobuf/duration.proto",
        "google/protobuf/empty.proto",
        "google/protobuf/field_mask.proto",
        "google/protobuf/source_context.proto",
        "google/protobuf/struct.proto",
        "google/protobuf/timestamp.proto",
        "google/protobuf/type.proto",
        "google/protobuf/wrappers.proto"
    )

    /**
     * Verifies that `EnumValue` protobuf type is known for the production JVM code.
     *
     * `io.spine.protobuf.EnumConverter` deals with `com.google.protobuf.EnumValue`,
     * but `google.protobuf.EnumValue` type is not used in our proto code.
     *
     * This test ensures the type is available via descriptors stored in resources.
     *
     * Since this module depends on `base` on the `implementation` level,
     * tests in this module see `base` as if it is used as a library.
     */
    @Test
    fun `make sure 'EnumValue' is known to production code`() {
        val type = TypeName.of("google.protobuf.EnumValue")
        val cls = type.toJavaClass()
        assertThat(cls).isEqualTo(EnumValue::class.java)
    }

    @Test
    fun `all files from the Protobuf library are included`() {
        val protobufFiles = KnownTypes.instance().files()
            .filter { f -> f.name.startsWith("google/protobuf/") }
            .map { d -> d.name }

        assertThat(protobufFiles).containsAtLeastElementsIn(protoFiles)
    }
}
