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api_test.go
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package monibot
import (
"context"
"fmt"
"strings"
"testing"
"time"
"github.com/cvilsmeier/monibot-go/internal/assert"
)
func TestApi(t *testing.T) {
str := func(a any) string {
switch x := a.(type) {
case Watchdog:
return fmt.Sprintf("Id=%v, Name=%v, IntervalMillis=%v", x.Id, x.Name, x.IntervalMillis)
case Machine:
return fmt.Sprintf("Id=%v, Name=%v", x.Id, x.Name)
case Metric:
return fmt.Sprintf("Id=%v, Name=%v, Type=%v", x.Id, x.Name, x.Type)
}
return "???"
}
ass := assert.New(t)
// this test uses a fake HTTP sender
sender := &fakeSender{}
// create Api
api := &Api{sender}
// GET ping
{
sender.calls = nil
sender.responses = append(sender.responses, fakeResponse{})
err := api.GetPing()
ass.Nil(err)
ass.Eq(1, len(sender.calls))
ass.Eq("GET ping", sender.calls[0])
ass.Eq(0, len(sender.responses))
}
// GET watchdogs
{
sender.calls = nil
resp := `[
{"id":"0001", "name":"Cronjob 1", "intervalMillis": 72000000},
{"id":"0002", "name":"Cronjob 2", "intervalMillis": 36000000}
]`
sender.responses = append(sender.responses, fakeResponse{data: []byte(resp)})
watchdogs, err := api.GetWatchdogs()
ass.Nil(err)
ass.Eq(2, len(watchdogs))
ass.Eq("Id=0001, Name=Cronjob 1, IntervalMillis=72000000", str(watchdogs[0]))
ass.Eq("Id=0002, Name=Cronjob 2, IntervalMillis=36000000", str(watchdogs[1]))
ass.Eq(1, len(sender.calls))
ass.Eq("GET watchdogs", sender.calls[0])
ass.Eq(0, len(sender.responses))
}
// GET watchdog/00000001
{
sender.calls = nil
resp := `{"id":"0001", "name":"Cronjob 1", "intervalMillis": 72000000}`
sender.responses = append(sender.responses, fakeResponse{data: []byte(resp)})
watchdog, err := api.GetWatchdog("00000001")
ass.Nil(err)
ass.Eq("Id=0001, Name=Cronjob 1, IntervalMillis=72000000", str(watchdog))
ass.Eq(1, len(sender.calls))
ass.Eq("GET watchdog/00000001", sender.calls[0])
ass.Eq(0, len(sender.responses))
}
// POST watchdog/00000001/heartbeat
{
sender.calls = nil
sender.responses = append(sender.responses, fakeResponse{})
err := api.PostWatchdogHeartbeat("00000001")
ass.Nil(err)
ass.Eq(1, len(sender.calls))
ass.Eq("POST watchdog/00000001/heartbeat", sender.calls[0])
ass.Eq(0, len(sender.responses))
}
// GET machines
{
sender.calls = nil
resp := `[
{"id":"01", "name":"Server 1"},
{"id":"02", "name":"Server 2"}
]`
sender.responses = append(sender.responses, fakeResponse{data: []byte(resp)})
machines, err := api.GetMachines()
ass.Nil(err)
ass.Eq(2, len(machines))
ass.Eq("Id=01, Name=Server 1", str(machines[0]))
ass.Eq("Id=02, Name=Server 2", str(machines[1]))
ass.Eq(1, len(sender.calls))
ass.Eq("GET machines", sender.calls[0])
ass.Eq(0, len(sender.responses))
}
// GET machine/01
{
sender.calls = nil
resp := `{"id":"01", "name":"Server 1"}`
sender.responses = append(sender.responses, fakeResponse{data: []byte(resp)})
machine, err := api.GetMachine("01")
ass.Nil(err)
ass.Eq("Id=01, Name=Server 1", str(machine))
ass.Eq(1, len(sender.calls))
ass.Eq("GET machine/01", sender.calls[0])
ass.Eq(0, len(sender.responses))
}
// POST machine/00000001/sample
{
sender.calls = nil
sender.responses = append(sender.responses, fakeResponse{})
tstamp := time.Date(2023, 10, 27, 10, 0, 0, 0, time.UTC)
sample := MachineSample{
Tstamp: tstamp.UnixMilli(),
Load1: 1.01,
Load5: 0.78,
Load15: 0.12,
CpuPercent: 12,
MemPercent: 34,
DiskPercent: 12,
DiskRead: 678,
DiskWrite: 567,
NetRecv: 13,
NetSend: 14,
}
err := api.PostMachineSample("00000001", sample)
ass.Nil(err)
ass.Eq(1, len(sender.calls))
ass.Eq("POST machine/00000001/sample tstamp=1698400800000&load1=1.010&load5=0.780&load15=0.120&cpu=12&mem=34&disk=12&diskRead=678&diskWrite=567&netRecv=13&netSend=14", sender.calls[0])
ass.Eq(0, len(sender.responses))
}
// POST machine/00000001/text
{
sender.calls = nil
sender.responses = append(sender.responses, fakeResponse{})
text := "line1\nline2\n\n"
err := api.PostMachineText("00000001", text)
ass.Nil(err)
ass.Eq(1, len(sender.calls))
ass.Eq("POST machine/00000001/text text=line1%0Aline2%0A%0A", sender.calls[0])
ass.Eq(0, len(sender.responses))
}
// GET metrics
{
sender.calls = nil
resp := `[
{"id":"01", "name":"Metric 1", "type": 0},
{"id":"02", "name":"Metric 2", "type": 1}
]`
sender.responses = append(sender.responses, fakeResponse{data: []byte(resp)})
metrics, err := api.GetMetrics()
ass.Nil(err)
ass.Eq(2, len(metrics))
ass.Eq("Id=01, Name=Metric 1, Type=0", str(metrics[0]))
ass.Eq("Id=02, Name=Metric 2, Type=1", str(metrics[1]))
ass.Eq(1, len(sender.calls))
ass.Eq("GET metrics", sender.calls[0])
ass.Eq(0, len(sender.responses))
}
// GET metric/01
{
sender.calls = nil
resp := `{"id":"01", "name":"Metric 1", "type": 0}`
sender.responses = append(sender.responses, fakeResponse{data: []byte(resp)})
metric, err := api.GetMetric("01")
ass.Nil(err)
ass.Eq("Id=01, Name=Metric 1, Type=0", str(metric))
ass.Eq(1, len(sender.calls))
ass.Eq("GET metric/01", sender.calls[0])
ass.Eq(0, len(sender.responses))
}
// POST metric/00000001/inc
{
sender.calls = nil
sender.responses = append(sender.responses, fakeResponse{nil, fmt.Errorf("connect timeout")})
err := api.PostMetricInc("00000001", 42)
ass.Eq("connect timeout", err.Error())
ass.Eq(1, len(sender.calls))
ass.Eq("POST metric/00000001/inc value=42", sender.calls[0])
ass.Eq(0, len(sender.responses))
}
// POST metric/00000001/set
{
sender.calls = nil
sender.responses = append(sender.responses, fakeResponse{nil, fmt.Errorf("connect timeout")})
err := api.PostMetricSet("00000001", 113)
ass.Eq("connect timeout", err.Error())
ass.Eq(1, len(sender.calls))
ass.Eq("POST metric/00000001/set value=113", sender.calls[0])
ass.Eq(0, len(sender.responses))
}
// POST metric/00000042/values
{
sender.calls = nil
sender.responses = append(sender.responses, fakeResponse{nil, fmt.Errorf("connect timeout")})
err := api.PostMetricValues("010101", []int64{3, 5, 2, 5, 0, 3, 4, 3, 1})
ass.Eq("connect timeout", err.Error())
ass.Eq(1, len(sender.calls))
// "0%2C1%2C2%2C3%3A3%2C4%2C5%3A2" = urlEncode("0,1,2,3:3,4,5:2")
ass.Eq("POST metric/010101/values values=0%2C1%2C2%2C3%3A3%2C4%2C5%3A2", sender.calls[0])
ass.Eq(0, len(sender.responses))
}
}
type fakeSender struct {
calls []string
responses []fakeResponse
}
func (f *fakeSender) Send(ctx context.Context, method, path string, body []byte) ([]byte, error) {
call := strings.TrimSpace(method + " " + path + " " + string(body))
f.calls = append(f.calls, call)
if len(f.responses) == 0 {
return nil, fmt.Errorf("no response for %s %s", method, path)
}
re := f.responses[0]
f.responses = f.responses[1:]
return re.data, re.err
}
type fakeResponse struct {
data []byte
err error
}