1 package io.guixer.tools;
2
3 import static com.google.common.base.Preconditions.checkNotNull;
4 import static org.apache.commons.lang3.StringUtils.isBlank;
5
6 import java.io.FileNotFoundException;
7 import java.io.IOException;
8 import java.io.InputStream;
9 import java.util.Properties;
10
11 import javax.annotation.Nullable;
12
13 public abstract class TestUtils {
14
15 private static final String TEST_PROPERTIES_FILE_NAME = "test.properties";
16
17 public static Properties getTestProperties() throws IOException {
18
19 final Properties properties = new Properties();
20
21 final InputStream is = Thread.currentThread().getContextClassLoader()
22 .getResourceAsStream(TEST_PROPERTIES_FILE_NAME);
23
24 if (is == null) {
25
26 throw new FileNotFoundException("Resource not found: " + TEST_PROPERTIES_FILE_NAME);
27 }
28
29 try {
30
31 properties.load(is);
32
33 } finally {
34
35 is.close();
36 }
37
38 return properties;
39 }
40
41 public static String getTestProperty(
42 final String name
43 ) throws IOException {
44
45 return getTestPropertyOrDefaultValue(name, null, false);
46 }
47
48 private static String getTestPropertyOrDefaultValue(
49 final String name,
50 @Nullable final String defaultValue,
51 final boolean nullable
52 ) throws IOException {
53
54 checkNotNull(name, "name");
55
56 final Properties properties = getTestProperties();
57
58 final String value = properties.getProperty(name);
59
60 if (isBlank(value)) {
61
62 if (!nullable && defaultValue == null) {
63
64 System.err.println("No value found for property: \"" + name + "\"");
65
66 System.err.println("Make sure the property is set in the \"" + TEST_PROPERTIES_FILE_NAME + "\" file.");
67
68 throw new RuntimeException("No value found for property: \"" + name + "\"");
69
70 } else {
71
72 return defaultValue;
73 }
74 }
75
76 if (value.contains("$")) {
77
78 System.err.println("Value has not been processed for property: \"" + name + "\": \"" + value + "\"");
79
80 System.err.println("Make sure to run \"mvn process-test-resources\" to process the \""
81 + TEST_PROPERTIES_FILE_NAME + "\" file, prior to running the tests.");
82
83 throw new RuntimeException(
84 "Value has not been processed for property: \"" + name + "\": \"" + value + "\"");
85 }
86
87 return value;
88 }
89
90 public static String getTestProperty(
91 final String name,
92 final String defaultValue
93 ) throws IOException {
94
95 checkNotNull(defaultValue, "defaultValue");
96
97 return getTestPropertyOrDefaultValue(name, defaultValue, false);
98 }
99
100 public static String getTestPropertyOrNull(
101 final String name
102 ) throws IOException {
103
104 return getTestPropertyOrDefaultValue(name, null, true);
105 }
106 }