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package client // import "github.com/docker/docker/client"
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"strings"
"testing"
"github.com/docker/docker/api/types"
"github.com/docker/docker/errdefs"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
func TestInfoServerError(t *testing.T) {
client := &Client{
client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
}
_, err := client.Info(context.Background())
assert.Check(t, is.ErrorType(err, errdefs.IsSystem))
}
func TestInfoInvalidResponseJSONError(t *testing.T) {
client := &Client{
client: newMockClient(func(req *http.Request) (*http.Response, error) {
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewReader([]byte("invalid json"))),
}, nil
}),
}
_, err := client.Info(context.Background())
if err == nil || !strings.Contains(err.Error(), "invalid character") {
t.Fatalf("expected a 'invalid character' error, got %v", err)
}
}
func TestInfo(t *testing.T) {
expectedURL := "/info"
client := &Client{
client: newMockClient(func(req *http.Request) (*http.Response, error) {
if !strings.HasPrefix(req.URL.Path, expectedURL) {
return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
}
info := &types.Info{
ID: "daemonID",
Containers: 3,
}
b, err := json.Marshal(info)
if err != nil {
return nil, err
}
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewReader(b)),
}, nil
}),
}
info, err := client.Info(context.Background())
if err != nil {
t.Fatal(err)
}
if info.ID != "daemonID" {
t.Fatalf("expected daemonID, got %s", info.ID)
}
if info.Containers != 3 {
t.Fatalf("expected 3 containers, got %d", info.Containers)
}
}
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