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package metrics
import (
"testing"
"time"
)
func TestAddExtraLabels(t *testing.T) {
f := func(s, extraLabels, expectedResult string) {
t.Helper()
result := addExtraLabels(nil, []byte(s), extraLabels)
if string(result) != expectedResult {
t.Fatalf("unexpected result; got\n%s\nwant\n%s", result, expectedResult)
}
}
f("", `foo="bar"`, "")
f("a 123", `foo="bar"`, `a{foo="bar"} 123`+"\n")
f(`a{b="c"} 1.3`, `foo="bar"`, `a{foo="bar",b="c"} 1.3`+"\n")
f(`a{b="c}{"} 1.3`, `foo="bar",baz="x"`, `a{foo="bar",baz="x",b="c}{"} 1.3`+"\n")
f(`foo 1
bar{a="x"} 2
`, `foo="bar"`, `foo{foo="bar"} 1
bar{foo="bar",a="x"} 2
`)
f(`
foo 1
# some counter
# type foobar counter
foobar{a="b",c="d"} 4`, `x="y"`, `foo{x="y"} 1
# some counter
# type foobar counter
foobar{x="y",a="b",c="d"} 4
`)
}
func TestInitPushFailure(t *testing.T) {
f := func(pushURL string, interval time.Duration, extraLabels string) {
t.Helper()
if err := InitPush(pushURL, interval, extraLabels, false); err == nil {
t.Fatalf("expecting non-nil error")
}
}
// Invalid url
f("foobar", time.Second, "")
f("aaa://foobar", time.Second, "")
f("http:///bar", time.Second, "")
// Non-positive interval
f("http://foobar", 0, "")
f("http://foobar", -time.Second, "")
// Invalid extraLabels
f("http://foobar", time.Second, "foo")
f("http://foobar", time.Second, "foo{bar")
f("http://foobar", time.Second, "foo=bar")
f("http://foobar", time.Second, "foo='bar'")
f("http://foobar", time.Second, `foo="bar",baz`)
f("http://foobar", time.Second, `{foo="bar"}`)
f("http://foobar", time.Second, `a{foo="bar"}`)
}
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