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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
package kamon.tag
import java.util.Optional
import org.scalatest.{Matchers, WordSpec}
import scala.collection.JavaConverters.mapAsJavaMapConverter
class TagSetSpec extends WordSpec with Matchers {
import Lookups._
"Tags" should {
"silently drop null and unacceptable keys and/or values when constructed from the companion object builders" in {
TagSet.from(NullString, NullString).all().size shouldBe 0
TagSet.from(EmptyString, NullString).all().size shouldBe 0
TagSet.from(EmptyString, "value").all().size shouldBe 0
TagSet.from(NullString, "value").all().size shouldBe 0
TagSet.from("key", NullString).all().size shouldBe 0
TagSet.from("key", NullBoolean).all().size shouldBe 0
TagSet.from("key", NullLong).all().size shouldBe 0
TagSet.from(BadScalaTagMap).all().size shouldBe 0
TagSet.from(BadJavaTagMap).all().size shouldBe 0
}
"silently drop null keys and/or values when created with the .withTag, withTags or .and methods" in {
val tags = TagSet.from("initialKey", "initialValue")
.withTag(NullString, NullString)
.withTag(EmptyString, NullString)
.withTag(EmptyString, "value")
.withTag(NullString, "value")
.withTag("key", NullString)
.withTag("key", NullBoolean)
.withTag("key", NullLong)
.and(NullString, NullString)
.and(EmptyString, NullString)
.and(EmptyString, "value")
.and(NullString, "value")
.and("key", NullString)
.and("key", NullBoolean)
.and("key", NullLong)
tags.all().length shouldBe 1
tags.all().head.asInstanceOf[Tag.String].key shouldBe "initialKey"
tags.all().head.asInstanceOf[Tag.String].value shouldBe "initialValue"
}
"create a properly populated instance when valid pairs are provided" in {
TagSet.from("isAwesome", true).all().size shouldBe 1
TagSet.from("name", "kamon").all().size shouldBe 1
TagSet.from("age", 5L).all().size shouldBe 1
TagSet.from(GoodScalaTagMap).all().size shouldBe 3
TagSet.from(GoodJavaTagMap).all().size shouldBe 3
TagSet.from("initial", "initial")
.withTag("isAwesome", true)
.withTag("name", "Kamon")
.withTag("age", 5L)
.and("isAvailable", true)
.and("website", "kamon.io")
.and("supportedPlatforms", 1L)
.all().size shouldBe 7
}
"override pre-existent tags when merging with other Tags instance" in {
val leftTags = TagSet.from(GoodScalaTagMap)
val rightTags = TagSet
.from("name", "New Kamon")
.and("age", 42L)
.and("isAwesome", false) // just for testing :)
val tags = leftTags.withTags(rightTags)
tags.get(plain("name")) shouldBe "New Kamon"
tags.get(plainLong("age")) shouldBe 42L
tags.get(plainBoolean("isAwesome")) shouldBe false
val andTags = tags and leftTags
andTags.get(plain("name")) shouldBe "Kamon"
andTags.get(plainLong("age")) shouldBe 5L
andTags.get(plainBoolean("isAwesome")) shouldBe true
}
"provide typed access to the contained pairs when looking up values" in {
val tags = TagSet.from(GoodScalaTagMap)
tags.get(plain("name")) shouldBe "Kamon"
tags.get(plain("none")) shouldBe null
tags.get(option("name")) shouldBe Option("Kamon")
tags.get(option("none")) shouldBe None
tags.get(optional("name")) shouldBe Optional.of("Kamon")
tags.get(optional("none")) shouldBe Optional.empty()
tags.get(plainLong("age")) shouldBe 5L
tags.get(plainLong("nil")) shouldBe null
tags.get(longOption("age")) shouldBe Option(5L)
tags.get(longOption("nil")) shouldBe None
tags.get(longOptional("age")) shouldBe Optional.of(5L)
tags.get(longOptional("nil")) shouldBe Optional.empty()
tags.get(plainBoolean("isAwesome")) shouldBe true
tags.get(plainBoolean("isUnknown")) shouldBe null
tags.get(booleanOption("isAwesome")) shouldBe Some(true)
tags.get(booleanOption("isUnknown")) shouldBe None
tags.get(booleanOptional("isAwesome")) shouldBe Optional.of(true)
tags.get(booleanOptional("isUnknown")) shouldBe Optional.empty()
tags.get(coerce("age")) shouldBe "5"
tags.get(coerce("isAwesome")) shouldBe "true"
tags.get(coerce("unknown")) shouldBe "unknown"
}
"allow iterating over all contained tags" in {
val tags = TagSet.from(Map(
"age" -> 5L,
"name" -> "Kamon",
"isAwesome" -> true,
"hasTracing" -> true,
"website" -> "kamon.io",
"luckyNumber" -> 7L
))
tags.iterator().length shouldBe 6
tags.iterator().find(matchPair("age", 5L)) shouldBe defined
tags.iterator().find(matchPair("luckyNumber", 7L)) shouldBe defined
tags.iterator().find(matchPair("hasTracing", true)) shouldBe defined
tags.iterator().find(matchPair("isAwesome", true)) shouldBe defined
tags.iterator().find(matchPair("website", "kamon.io")) shouldBe defined
tags.iterator().find(matchPair("name", "Kamon")) shouldBe defined
}
"be equal to other Tags instance with the same tags" in {
TagSet.from(GoodScalaTagMap) shouldBe TagSet.from(GoodScalaTagMap)
TagSet.from(GoodJavaTagMap) shouldBe TagSet.from(GoodJavaTagMap)
}
"have a readable toString implementation" in {
TagSet.from(GoodScalaTagMap).toString() should include("age=5")
TagSet.from(GoodScalaTagMap).toString() should include("name=Kamon")
TagSet.from(GoodScalaTagMap).toString() should include("isAwesome=true")
}
}
def matchPair(key: String, value: Any) = { tag: Tag => {
tag match {
case t: Tag.String => t.key == key && t.value == value
case t: Tag.Long => t.key == key && t.value == value
case t: Tag.Boolean => t.key == key && t.value == value
}
}}
val NullString: java.lang.String = null
val NullBoolean: java.lang.Boolean = NullString.asInstanceOf[java.lang.Boolean]
val NullLong: java.lang.Long = null
val EmptyString: java.lang.String = ""
val GoodScalaTagMap: Map[String, Any] = Map(
"age" -> 5L,
"name" -> "Kamon",
"isAwesome" -> true
)
val BadScalaTagMap: Map[String, Any] = Map(
NullString -> NullString,
EmptyString -> NullString,
NullString -> NullString,
EmptyString -> NullString,
EmptyString -> "value",
NullString -> "value",
"key" -> NullString,
"key" -> NullBoolean,
"key" -> NullLong
)
val GoodJavaTagMap = GoodScalaTagMap.asJava
val BadJavaTagMap = BadScalaTagMap.asJava
}
|
