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// SPDX-License-Identifier: GPL-3.0-or-later
package functions
import (
"context"
"sort"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestNewManager(t *testing.T) {
mgr := NewManager()
assert.NotNilf(t, mgr.Input, "Input")
assert.NotNilf(t, mgr.FunctionRegistry, "FunctionRegistry")
}
func TestManager_Register(t *testing.T) {
type testInputFn struct {
name string
invalid bool
}
tests := map[string]struct {
input []testInputFn
expected []string
}{
"valid registration": {
input: []testInputFn{
{name: "fn1"},
{name: "fn2"},
},
expected: []string{"fn1", "fn2"},
},
"registration with duplicates": {
input: []testInputFn{
{name: "fn1"},
{name: "fn2"},
{name: "fn1"},
},
expected: []string{"fn1", "fn2"},
},
"registration with nil functions": {
input: []testInputFn{
{name: "fn1"},
{name: "fn2", invalid: true},
},
expected: []string{"fn1"},
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
mgr := NewManager()
for _, v := range test.input {
if v.invalid {
mgr.Register(v.name, nil)
} else {
mgr.Register(v.name, func(Function) {})
}
}
var got []string
for name := range mgr.FunctionRegistry {
got = append(got, name)
}
sort.Strings(got)
sort.Strings(test.expected)
assert.Equal(t, test.expected, got)
})
}
}
func TestManager_Run(t *testing.T) {
tests := map[string]struct {
register []string
input string
expected []Function
}{
"valid function: single": {
register: []string{"fn1"},
input: `
FUNCTION UID 1 "fn1 arg1 arg2" 0xFFFF "method=api,role=test"
`,
expected: []Function{
{
key: "FUNCTION",
UID: "UID",
Timeout: time.Second,
Name: "fn1",
Args: []string{"arg1", "arg2"},
Permissions: "0xFFFF",
Source: "method=api,role=test",
ContentType: "",
Payload: nil,
},
},
},
"valid function: multiple": {
register: []string{"fn1", "fn2"},
input: `
FUNCTION UID 1 "fn1 arg1 arg2" 0xFFFF "method=api,role=test"
FUNCTION UID 1 "fn2 arg1 arg2" 0xFFFF "method=api,role=test"
`,
expected: []Function{
{
key: "FUNCTION",
UID: "UID",
Timeout: time.Second,
Name: "fn1",
Args: []string{"arg1", "arg2"},
Permissions: "0xFFFF",
Source: "method=api,role=test",
ContentType: "",
Payload: nil,
},
{
key: "FUNCTION",
UID: "UID",
Timeout: time.Second,
Name: "fn2",
Args: []string{"arg1", "arg2"},
Permissions: "0xFFFF",
Source: "method=api,role=test",
ContentType: "",
Payload: nil,
},
},
},
"valid function: single with payload": {
register: []string{"fn1", "fn2"},
input: `
FUNCTION_PAYLOAD UID 1 "fn1 arg1 arg2" 0xFFFF "method=api,role=test" application/json
payload line1
payload line2
FUNCTION_PAYLOAD_END
`,
expected: []Function{
{
key: "FUNCTION_PAYLOAD",
UID: "UID",
Timeout: time.Second,
Name: "fn1",
Args: []string{"arg1", "arg2"},
Permissions: "0xFFFF",
Source: "method=api,role=test",
ContentType: "application/json",
Payload: []byte("payload line1\npayload line2"),
},
},
},
"valid function: multiple with payload": {
register: []string{"fn1", "fn2"},
input: `
FUNCTION_PAYLOAD UID 1 "fn1 arg1 arg2" 0xFFFF "method=api,role=test" application/json
payload line1
payload line2
FUNCTION_PAYLOAD_END
FUNCTION_PAYLOAD UID 1 "fn2 arg1 arg2" 0xFFFF "method=api,role=test" application/json
payload line3
payload line4
FUNCTION_PAYLOAD_END
`,
expected: []Function{
{
key: "FUNCTION_PAYLOAD",
UID: "UID",
Timeout: time.Second,
Name: "fn1",
Args: []string{"arg1", "arg2"},
Permissions: "0xFFFF",
Source: "method=api,role=test",
ContentType: "application/json",
Payload: []byte("payload line1\npayload line2"),
},
{
key: "FUNCTION_PAYLOAD",
UID: "UID",
Timeout: time.Second,
Name: "fn2",
Args: []string{"arg1", "arg2"},
Permissions: "0xFFFF",
Source: "method=api,role=test",
ContentType: "application/json",
Payload: []byte("payload line3\npayload line4"),
},
},
},
"valid function: multiple with and without payload": {
register: []string{"fn1", "fn2", "fn3", "fn4"},
input: `
FUNCTION_PAYLOAD UID 1 "fn1 arg1 arg2" 0xFFFF "method=api,role=test" application/json
payload line1
payload line2
FUNCTION_PAYLOAD_END
FUNCTION UID 1 "fn2 arg1 arg2" 0xFFFF "method=api,role=test"
FUNCTION UID 1 "fn3 arg1 arg2" 0xFFFF "method=api,role=test"
FUNCTION_PAYLOAD UID 1 "fn4 arg1 arg2" 0xFFFF "method=api,role=test" application/json
payload line3
payload line4
FUNCTION_PAYLOAD_END
`,
expected: []Function{
{
key: "FUNCTION_PAYLOAD",
UID: "UID",
Timeout: time.Second,
Name: "fn1",
Args: []string{"arg1", "arg2"},
Permissions: "0xFFFF",
Source: "method=api,role=test",
ContentType: "application/json",
Payload: []byte("payload line1\npayload line2"),
},
{
key: "FUNCTION",
UID: "UID",
Timeout: time.Second,
Name: "fn2",
Args: []string{"arg1", "arg2"},
Permissions: "0xFFFF",
Source: "method=api,role=test",
ContentType: "",
Payload: nil,
},
{
key: "FUNCTION",
UID: "UID",
Timeout: time.Second,
Name: "fn3",
Args: []string{"arg1", "arg2"},
Permissions: "0xFFFF",
Source: "method=api,role=test",
ContentType: "",
Payload: nil,
},
{
key: "FUNCTION_PAYLOAD",
UID: "UID",
Timeout: time.Second,
Name: "fn4",
Args: []string{"arg1", "arg2"},
Permissions: "0xFFFF",
Source: "method=api,role=test",
ContentType: "application/json",
Payload: []byte("payload line3\npayload line4"),
},
},
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
mgr := NewManager()
mgr.Input = strings.NewReader(test.input)
mock := &mockFunctionExecutor{}
for _, v := range test.register {
mgr.Register(v, mock.execute)
}
testTime := time.Second * 5
ctx, cancel := context.WithTimeout(context.Background(), testTime)
defer cancel()
done := make(chan struct{})
go func() { defer close(done); mgr.Run(ctx) }()
timeout := testTime + time.Second*2
tk := time.NewTimer(timeout)
defer tk.Stop()
select {
case <-done:
assert.Equal(t, test.expected, mock.executed)
case <-tk.C:
t.Errorf("timed out after %s", timeout)
}
})
}
}
type mockFunctionExecutor struct {
executed []Function
}
func (m *mockFunctionExecutor) execute(fn Function) {
m.executed = append(m.executed, fn)
}
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