node-admin/src/test/java/com/yahoo/vespa/hosted/node/admin/nodeagent/NodeAgentContextImplTest.java


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// Copyright 2020 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.nodeagent;

import com.yahoo.vespa.test.file.TestFileSystem;
import org.junit.Test;

import java.nio.file.FileSystem;

import static org.junit.Assert.assertEquals;

/**
 * @author freva
 */
public class NodeAgentContextImplTest {
    private final FileSystem fileSystem = TestFileSystem.create();
    private final NodeAgentContext context = new NodeAgentContextImpl.Builder("container-1.domain.tld")
            .pathToContainerStorageFromFileSystem(fileSystem).build();

    @Test
    public void path_on_host_from_path_in_node_test() {
        assertEquals(
                "/home/docker/container-1",
                context.pathOnHostFromPathInNode("/").toString());

        assertEquals(
                "/home/docker/container-1/dev/null",
                context.pathOnHostFromPathInNode("/dev/null").toString());
    }

    @Test(expected=IllegalArgumentException.class)
    public void path_in_container_must_be_absolute() {
        context.pathOnHostFromPathInNode("some/relative/path");
    }

    @Test
    public void path_in_node_from_path_on_host_test() {
        assertEquals(
                "/dev/null",
                context.pathInNodeFromPathOnHost(fileSystem.getPath("/home/docker/container-1/dev/null")).toString());
    }

    @Test(expected=IllegalArgumentException.class)
    public void path_on_host_must_be_absolute() {
        context.pathInNodeFromPathOnHost("some/relative/path");
    }

    @Test(expected=IllegalArgumentException.class)
    public void path_on_host_must_be_inside_container_storage_of_context() {
        context.pathInNodeFromPathOnHost(fileSystem.getPath("/home/docker/container-2/dev/null"));
    }

    @Test(expected=IllegalArgumentException.class)
    public void path_on_host_must_be_inside_container_storage() {
        context.pathInNodeFromPathOnHost(fileSystem.getPath("/home"));
    }

    @Test
    public void path_under_vespa_host_in_container_test() {
        assertEquals(
                "/opt/vespa",
                context.pathInNodeUnderVespaHome("").toString());

        assertEquals(
                "/opt/vespa/logs/vespa/vespa.log",
                context.pathInNodeUnderVespaHome("logs/vespa/vespa.log").toString());
    }

    @Test(expected=IllegalArgumentException.class)
    public void path_under_vespa_home_must_be_relative() {
        context.pathInNodeUnderVespaHome("/home");
    }
}