summaryrefslogtreecommitdiffstats
path: root/container-core/src/main/java/com/yahoo/container/core/config/testutil/HandlersConfigurerTestWrapper.java
blob: 503bf2f2db1a16d893bf1c96ed7c670dee4d7792 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.core.config.testutil;

import com.google.inject.AbstractModule;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Scopes;
import com.yahoo.component.AbstractComponent;
import com.yahoo.component.provider.ComponentRegistry;
import com.yahoo.config.subscription.ConfigSourceSet;
import com.yahoo.container.Container;
import com.yahoo.container.di.CloudSubscriberFactory;
import com.yahoo.container.di.ComponentDeconstructor;
import com.yahoo.container.core.config.HandlersConfigurerDi;
import com.yahoo.jdisc.handler.RequestHandler;
import com.yahoo.language.Linguistics;
import com.yahoo.language.simple.SimpleLinguistics;
import com.yahoo.osgi.MockOsgi;

import java.io.File;
import java.io.IOException;
import java.util.LinkedHashSet;
import java.util.Random;
import java.util.Set;

/**
 * Class for testing HandlersConfigurer.
 * Not for public use.
 *
 * If possible, please avoid using this class and HandlersConfigurer in your tests
 * @author Tony Vaagenes
 * @author gjoranv
 *
*/
public class HandlersConfigurerTestWrapper {
    private ConfigSourceSet configSources =
            new ConfigSourceSet(this.getClass().getSimpleName() + ": " + new Random().nextLong());
    private HandlersConfigurerDi configurer;

    // TODO: Remove once tests use ConfigSet rather than dir:
    private final static String testFiles[] = {
            "components.cfg",
            "handlers.cfg",
            "platform-bundles.cfg",
            "application-bundles.cfg",
            "string.cfg",
            "int.cfg",
            "renderers.cfg",
            "diagnostics.cfg",
            "qr-templates.cfg",
            "documentmanager.cfg",
            "schemamapping.cfg",
            "chains.cfg",
            "container-mbus.cfg",
            "container-mbus.cfg",
            "specialtokens.cfg",
            "documentdb-info.cfg",
            "qr-search.cfg",
            "query-profiles.cfg"
    };
    private final Set<File> createdFiles = new LinkedHashSet<>();
    private int lastGeneration = 0;
    private final Container container;

    private void createFiles(String configId) {
        if (configId.startsWith("dir:")) {
            try {
                System.setProperty("config.id", configId);
                String dirName = configId.substring(4);
                for (String file : testFiles) {
                    createIfNotExists(dirName, file);
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    // TODO: Remove once tests use ConfigSet rather than dir:
    private void createIfNotExists(String dir, String file) throws IOException {
        final File f = new File(dir + "/" + file);
        if (f.createNewFile()) {
            createdFiles.add(f);
        }
    }

    public HandlersConfigurerTestWrapper(String configId) {
        this(Container.get(), configId);
    }

    public HandlersConfigurerTestWrapper(Container container, String configId) {
        createFiles(configId);
        MockOsgiWrapper mockOsgiWrapper = new MockOsgiWrapper();
        ComponentDeconstructor testDeconstructor = getTestDeconstructor();
        configurer = new HandlersConfigurerDi(
                new CloudSubscriberFactory(configSources),
                container,
                configId,
                testDeconstructor,
                guiceInjector(),
                mockOsgiWrapper);
        this.container = container;
    }

    private ComponentDeconstructor getTestDeconstructor() {
        return (components, bundles) -> components.forEach(component -> {
            if (component instanceof AbstractComponent) {
                AbstractComponent abstractComponent = (AbstractComponent) component;
                if (abstractComponent.isDeconstructable()) abstractComponent.deconstruct();
            }
            if (! bundles.isEmpty()) throw new IllegalArgumentException("This test should not use bundles");
        });
    }

    public void reloadConfig() {
        configurer.reloadConfig(++lastGeneration);
        configurer.getNewComponentGraph(guiceInjector(), false);
    }

    public void shutdown() {
        configurer.shutdown(getTestDeconstructor());
        // TODO: Remove once tests use ConfigSet rather than dir:
        for (File f : createdFiles) {
            f.delete();
        }
    }

    public ComponentRegistry<RequestHandler> getRequestHandlerRegistry() {
        return container.getRequestHandlerRegistry();
    }

    private static Injector guiceInjector() {
        return Guice.createInjector(new AbstractModule() {
            @Override
            protected void configure() {
                // Needed by e.g. SearchHandler
                bind(Linguistics.class).to(SimpleLinguistics.class).in(Scopes.SINGLETON);
            }
        });
    }

}