83 lines
2.6 KiB
Go
83 lines
2.6 KiB
Go
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package client
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import (
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"errors"
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"io/ioutil"
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"net/http"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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"golang.org/x/net/context"
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)
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// TestPingFail tests that when a server sends a non-successful response that we
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// can still grab API details, when set.
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// Some of this is just excercising the code paths to make sure there are no
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// panics.
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func TestPingFail(t *testing.T) {
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var withHeader bool
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client := &Client{
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client: newMockClient(func(req *http.Request) (*http.Response, error) {
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resp := &http.Response{StatusCode: http.StatusInternalServerError}
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if withHeader {
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resp.Header = http.Header{}
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resp.Header.Set("API-Version", "awesome")
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resp.Header.Set("Docker-Experimental", "true")
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}
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resp.Body = ioutil.NopCloser(strings.NewReader("some error with the server"))
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return resp, nil
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}),
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}
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ping, err := client.Ping(context.Background())
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assert.Error(t, err)
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assert.Equal(t, false, ping.Experimental)
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assert.Equal(t, "", ping.APIVersion)
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withHeader = true
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ping2, err := client.Ping(context.Background())
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assert.Error(t, err)
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assert.Equal(t, true, ping2.Experimental)
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assert.Equal(t, "awesome", ping2.APIVersion)
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}
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// TestPingWithError tests the case where there is a protocol error in the ping.
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// This test is mostly just testing that there are no panics in this code path.
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func TestPingWithError(t *testing.T) {
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client := &Client{
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client: newMockClient(func(req *http.Request) (*http.Response, error) {
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resp := &http.Response{StatusCode: http.StatusInternalServerError}
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resp.Header = http.Header{}
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resp.Header.Set("API-Version", "awesome")
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resp.Header.Set("Docker-Experimental", "true")
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resp.Body = ioutil.NopCloser(strings.NewReader("some error with the server"))
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return resp, errors.New("some error")
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}),
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}
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ping, err := client.Ping(context.Background())
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assert.Error(t, err)
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assert.Equal(t, false, ping.Experimental)
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assert.Equal(t, "", ping.APIVersion)
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}
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// TestPingSuccess tests that we are able to get the expected API headers/ping
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// details on success.
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func TestPingSuccess(t *testing.T) {
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client := &Client{
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client: newMockClient(func(req *http.Request) (*http.Response, error) {
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resp := &http.Response{StatusCode: http.StatusInternalServerError}
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resp.Header = http.Header{}
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resp.Header.Set("API-Version", "awesome")
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resp.Header.Set("Docker-Experimental", "true")
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resp.Body = ioutil.NopCloser(strings.NewReader("some error with the server"))
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return resp, nil
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}),
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}
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ping, err := client.Ping(context.Background())
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assert.Error(t, err)
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assert.Equal(t, true, ping.Experimental)
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assert.Equal(t, "awesome", ping.APIVersion)
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}
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