/
syncsignals_test.go
118 lines (105 loc) · 2.86 KB
/
syncsignals_test.go
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package syncsignals
import (
"testing"
"errors"
"fmt"
"github.com/bmizerany/assert"
)
func TestNew(t *testing.T) {
s := new(signal)
assert.Equal(t, 0, s.Callbacks.Len(), "Callback registered")
}
func TestConnect(t *testing.T) {
s := new(signal)
s.connect(func(args []interface{}) error {
return nil
})
assert.Equal(t, 1, s.Callbacks.Len(), "Only one callback must be registered")
}
func TestSendOneCallback(t *testing.T) {
s := new(signal)
called := false
s.connect(func(args []interface{}) error {
called = true
return nil
})
s.send(nil)
assert.Equal(t, true, called, "Callback not called")
}
func TestSendOneCallbackTwice(t *testing.T) {
s := new(signal)
called := false
s.connect(func(args []interface{}) error {
called = true
return nil
})
s.send(nil)
called = false
s.send(nil)
assert.Equal(t, true, called, "1st Callback not called")
}
func TestSendTwoCallback(t *testing.T) {
s := new(signal)
called1st := false
called2nd := false
s.connect(func(args []interface{}) error {
called1st = true
return nil
})
s.connect(func(args []interface{}) error {
called2nd = true
return nil
})
s.send(nil)
assert.Equal(t, true, called1st, "1st Callback not called")
assert.Equal(t, true, called2nd, "2nd Callback not called")
}
func TestSendWithArgs(t *testing.T) {
s := new(signal)
calledArgs := []interface{}{}
s.connect(func(args []interface{}) error {
calledArgs = args
return nil
})
expected := []interface{}{"hola", "mundo"}
s.send(expected)
assert.Equal(t, expected, calledArgs, "function not called with proper args")
}
func assertSameErrors(t *testing.T, expected []error, results []error) {
assert.Equal(t, len(expected), len(results))
for el := range expected {
isThere := false
for r := range results {
if r == el {
isThere = true
break
}
}
assert.Equal(t, true, isThere, fmt.Sprintf("element %s not present", el))
}
}
func TestReturnTwoCallback(t *testing.T) {
s := new(signal)
err1 := errors.New("Error1")
err2 := errors.New("Error2")
s.connect(func(args []interface{}) error {
return err1
})
s.connect(func(args []interface{}) error {
return err2
})
results := s.send(nil)
expected := []error{err1, err2}
assertSameErrors(t, expected, results)
// assert.Equal(t, results, expected, "results diferent from expected")
}
func TestReturnCallback(t *testing.T) {
s := new(signal)
err := errors.New("Mock error")
s.connect(func(args []interface{}) error {
return err
})
results := s.send(nil)
expected := []error{err}
assertSameErrors(t, expected, results)
}