expvarmon/var_test.go

93 lines
2.7 KiB
Go

package main
import (
"testing"
)
func TestVarName(t *testing.T) {
v := VarName("memstats.Alloc")
slice := v.ToSlice()
if len(slice) != 2 || slice[0] != "memstats" || slice[1] != "Alloc" {
t.Fatalf("ToSlice failed: %v", slice)
}
short := v.Short()
if short != "Alloc" {
t.Fatalf("Expecting Short() to be 'Alloc', but got: %s", short)
}
kind := v.Kind()
if kind != KindDefault {
t.Fatalf("Expecting kind to be %v, but got: %v", KindDefault, kind)
}
v = VarName("mem:memstats.Alloc")
slice = v.ToSlice()
if len(slice) != 2 || slice[0] != "memstats" || slice[1] != "Alloc" {
t.Fatalf("ToSlice failed: %v", slice)
}
short = v.Short()
if short != "Alloc" {
t.Fatalf("Expecting Short() to be 'Alloc', but got: %s", short)
}
kind = v.Kind()
if kind != KindMemory {
t.Fatalf("Expecting kind to be %v, but got: %v", KindMemory, kind)
}
v = VarName("duration:ResponseTimes.API.Users")
kind = v.Kind()
if kind != KindDuration {
t.Fatalf("Expecting kind to be %v, but got: %v", KindDuration, kind)
}
// single \. escapes the dot
v = VarName(`bleve.indexes.bench\.bleve.index.lookup_queue_len`)
slice = v.ToSlice()
if len(slice) != 5 || slice[0] != "bleve" || slice[1] != "indexes" || slice[2] != "bench.bleve" ||
slice[3] != "index" || slice[4] != "lookup_queue_len" {
t.Fatalf("ToSlice failed: %v", slice)
}
// double \\. escapes backslash, not dot
v = VarName(`bleve.indexes.bench\\.bleve.index.lookup_queue_len`)
slice = v.ToSlice()
if len(slice) != 6 || slice[0] != "bleve" || slice[1] != "indexes" || slice[2] != "bench\\" ||
slice[3] != "bleve" || slice[4] != "index" || slice[5] != "lookup_queue_len" {
t.Fatalf("ToSlice failed: %v", slice)
}
// triple \\\. escapes backslash then dot
v = VarName(`bleve.indexes.bench\\\.bleve.index.lookup_queue_len`)
slice = v.ToSlice()
if len(slice) != 5 || slice[0] != "bleve" || slice[1] != "indexes" || slice[2] != "bench\\.bleve" ||
slice[3] != "index" || slice[4] != "lookup_queue_len" {
t.Fatalf("ToSlice failed: %v", slice)
}
// quadruple \\\\. escapes two backslashes, not dot
v = VarName(`bleve.indexes.bench\\\\.bleve.index.lookup_queue_len`)
slice = v.ToSlice()
if len(slice) != 6 || slice[0] != "bleve" || slice[1] != "indexes" || slice[2] != "bench\\\\" ||
slice[3] != "bleve" || slice[4] != "index" || slice[5] != "lookup_queue_len" {
t.Fatalf("ToSlice failed: %v", slice)
}
// unsupported \x passes through unaltered
v = VarName(`bleve.indexes.bench\xbleve.index.lookup_queue_len`)
slice = v.ToSlice()
if len(slice) != 5 || slice[0] != "bleve" || slice[1] != "indexes" || slice[2] != "bench\\xbleve" ||
slice[3] != "index" || slice[4] != "lookup_queue_len" {
t.Fatalf("ToSlice failed: %v", slice)
}
}