mirror of https://github.com/divan/expvarmon.git
70 lines
1.3 KiB
Go
70 lines
1.3 KiB
Go
package main
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import (
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"os"
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"testing"
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)
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const (
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expvarsTestFile = "./expvars.json"
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expvarsAdvTestFile = "./expvars_advanced.json"
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)
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func TestExpvars(t *testing.T) {
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file, err := os.Open(expvarsTestFile)
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if err != nil {
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t.Fatalf("cannot open test file %v", err)
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}
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defer file.Close()
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expvar, err := ParseExpvar(file)
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if err != nil {
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t.Fatal(err)
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}
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cmdline, err := expvar.GetStringArray("cmdline")
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if err != nil {
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t.Fatal(err)
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}
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if len(cmdline) != 3 {
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t.Fatalf("Cmdline should have 3 items, but has %d", len(cmdline))
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}
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alloc, err := expvar.GetInt64(VarName("memstats.Alloc").ToSlice()...)
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if err != nil {
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t.Fatal(err)
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}
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if alloc == 0 {
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t.Fatalf("Alloc should be greater than 0")
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}
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}
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func TestExpvarsAdvanced(t *testing.T) {
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file, err := os.Open(expvarsAdvTestFile)
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if err != nil {
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t.Fatalf("cannot open test file %v", err)
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}
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defer file.Close()
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expvar, err := ParseExpvar(file)
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if err != nil {
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t.Fatal(err)
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}
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goroutines, err := expvar.GetInt64("goroutines")
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if err != nil {
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t.Fatal(err)
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}
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if goroutines != 10 {
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t.Fatalf("Expecting 'goroutines' to be %d, but got %d", 10, goroutines)
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}
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counterA, err := expvar.GetFloat64(VarName("counters.A").ToSlice()...)
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if err != nil {
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t.Fatal(err)
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}
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if counterA != 123.12 {
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t.Fatalf("Expecting 'counters.A' to be %f, but got %f", 123.12, counterA)
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}
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}
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