diff --git a/context.go b/context.go index ecf74ba9b1..1a953006c0 100644 --- a/context.go +++ b/context.go @@ -1161,22 +1161,28 @@ func (c *Context) SetAccepted(formats ...string) { /***** GOLANG.ORG/X/NET/CONTEXT *****/ /************************************/ -// Deadline always returns that there is no deadline (ok==false), -// maybe you want to use Request.Context().Deadline() instead. +// Deadline returns that there is no deadline (ok==false) when c.Request has no Context. func (c *Context) Deadline() (deadline time.Time, ok bool) { - return + if c.Request == nil || c.Request.Context() == nil { + return + } + return c.Request.Context().Deadline() } -// Done always returns nil (chan which will wait forever), -// if you want to abort your work when the connection was closed -// you should use Request.Context().Done() instead. +// Done returns nil (chan which will wait forever) when c.Request has no Context. func (c *Context) Done() <-chan struct{} { - return nil + if c.Request == nil || c.Request.Context() == nil { + return nil + } + return c.Request.Context().Done() } -// Err always returns nil, maybe you want to use Request.Context().Err() instead. +// Err returns nil when c.Request has no Context. func (c *Context) Err() error { - return nil + if c.Request == nil || c.Request.Context() == nil { + return nil + } + return c.Request.Context().Err() } // Value returns the value associated with this context for key, or nil diff --git a/context_test.go b/context_test.go index 2a4d21856e..ffbe5ccaa3 100644 --- a/context_test.go +++ b/context_test.go @@ -2058,6 +2058,48 @@ func TestRemoteIPFail(t *testing.T) { assert.False(t, trust) } +func TestContextWithFallbackDeadlineFromRequestContext(t *testing.T) { + c := &Context{} + deadline, ok := c.Deadline() + assert.Zero(t, deadline) + assert.False(t, ok) + + c2 := &Context{} + c2.Request, _ = http.NewRequest(http.MethodGet, "/", nil) + d := time.Now().Add(time.Second) + ctx, cancel := context.WithDeadline(context.Background(), d) + defer cancel() + c2.Request = c2.Request.WithContext(ctx) + deadline, ok = c2.Deadline() + assert.Equal(t, d, deadline) + assert.True(t, ok) +} + +func TestContextWithFallbackDoneFromRequestContext(t *testing.T) { + c := &Context{} + assert.Nil(t, c.Done()) + + c2 := &Context{} + c2.Request, _ = http.NewRequest(http.MethodGet, "/", nil) + ctx, cancel := context.WithCancel(context.Background()) + c2.Request = c2.Request.WithContext(ctx) + cancel() + assert.NotNil(t, <-c2.Done()) +} + +func TestContextWithFallbackErrFromRequestContext(t *testing.T) { + c := &Context{} + assert.Nil(t, c.Err()) + + c2 := &Context{} + c2.Request, _ = http.NewRequest(http.MethodGet, "/", nil) + ctx, cancel := context.WithCancel(context.Background()) + c2.Request = c2.Request.WithContext(ctx) + cancel() + + assert.EqualError(t, c2.Err(), context.Canceled.Error()) +} + func TestContextWithFallbackValueFromRequestContext(t *testing.T) { tests := []struct { name string