45 lines
1.3 KiB
Go
45 lines
1.3 KiB
Go
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package influxql_test
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import (
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"reflect"
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"strings"
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"testing"
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"github.com/influxdb/influxdb/influxql"
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)
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// Ensure that tags can return a unique id.
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func TestTags_ID(t *testing.T) {
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tags := influxql.NewTags(map[string]string{"foo": "bar", "baz": "bat"})
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if id := tags.ID(); id != "baz\x00foo\x00bat\x00bar" {
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t.Fatalf("unexpected id: %q", id)
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}
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}
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// Ensure that a subset can be created from a tag set.
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func TestTags_Subset(t *testing.T) {
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tags := influxql.NewTags(map[string]string{"a": "0", "b": "1", "c": "2"})
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subset := tags.Subset([]string{"b", "c", "d"})
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if keys := subset.Keys(); !reflect.DeepEqual(keys, []string{"b", "c", "d"}) {
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t.Fatalf("unexpected keys: %+v", keys)
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} else if v := subset.Value("a"); v != "" {
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t.Fatalf("unexpected 'a' value: %s", v)
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} else if v := subset.Value("b"); v != "1" {
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t.Fatalf("unexpected 'b' value: %s", v)
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} else if v := subset.Value("c"); v != "2" {
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t.Fatalf("unexpected 'c' value: %s", v)
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} else if v := subset.Value("d"); v != "" {
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t.Fatalf("unexpected 'd' value: %s", v)
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}
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}
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// ParseTags returns an instance of Tags for a comma-delimited list of key/values.
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func ParseTags(s string) influxql.Tags {
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m := make(map[string]string)
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for _, kv := range strings.Split(s, ",") {
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a := strings.Split(kv, "=")
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m[a[0]] = a[1]
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}
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return influxql.NewTags(m)
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}
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