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package com.amaze.filemanager.filesystem.ftp

import org.apache.commons.net.ftp.FTPSClient
import org.junit.Assert.assertFalse
import org.junit.Assert.assertTrue
import org.junit.Test

/**
 * Unit tests for [NetCopyClientConnectionPool]
 */
@Suppress("StringLiteralDuplication")
class NetCopyClientConnectionPoolTest {
    /**
     * Test DefaultFTPClientFactory default behaviour with FTPClient
     */
    @Test
    fun `DefaultFTPClientFactory default behaviour with FTPClient`() {
        val factory = NetCopyClientConnectionPool.DefaultFTPClientFactory()
        val result = factory.create("ftp://127.0.0.1:2121")
        assertFalse(result is FTPSClient)
    }

    /**
     * Test DefaultFTPClientFactory default behaviour with FTPSClient
     */
    @Test
    fun `DefaultFTPClientFactory default behaviour with FTPSClient`() {
        val factory = NetCopyClientConnectionPool.DefaultFTPClientFactory()
        val result = factory.create("ftps://127.0.0.1:2121")
        assertTrue(result is FTPSClient)
        val isImplicit = FTPSClient::class.java.getDeclaredField("isImplicit")
        isImplicit.isAccessible = true
        assertTrue(isImplicit.get(result) as Boolean)
    }

    /**
     * Test DefaultFTPClientFactory with URI having tls != explicit
     */
    @Test
    fun `DefaultFTPClientFactory with URI having tls != explicit`() {
        val factory = NetCopyClientConnectionPool.DefaultFTPClientFactory()
        var result = factory.create("ftps://127.0.0.1:2121?tls=implicit")
        assertTrue(result is FTPSClient)
        val isImplicit = FTPSClient::class.java.getDeclaredField("isImplicit")
        isImplicit.isAccessible = true
        assertTrue(isImplicit.get(result) as Boolean)
        result = factory.create("ftps://127.0.0.1:2121?explicitTls=true")
        assertTrue(result is FTPSClient)
        assertTrue(isImplicit.get(result) as Boolean)
    }

    /**
     * Test DefaultFTPClientDirectory with URI having tls=explicit
     */
    @Test
    fun `DefaultFTPClientDirectory with URI having tls=explicit`() {
        val factory = NetCopyClientConnectionPool.DefaultFTPClientFactory()
        val result = factory.create("ftps://127.0.0.1:2121?tls=explicit")
        assertTrue(result is FTPSClient)
        val isImplicit = FTPSClient::class.java.getDeclaredField("isImplicit")
        isImplicit.isAccessible = true
        assertFalse(isImplicit.get(result) as Boolean)
    }
}