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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2018 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package main_test
import (
"encoding/json"
"fmt"
"net/http"
"time"
. "gopkg.in/check.v1"
snap "github.com/snapcore/snapd/cmd/snap"
)
func (s *SnapSuite) TestCmdWaitHappy(c *C) {
restore := snap.MockWaitConfTimeout(10 * time.Millisecond)
defer restore()
n := 0
s.RedirectClientToTestServer(func(w http.ResponseWriter, r *http.Request) {
c.Check(r.Method, Equals, "GET")
c.Check(r.URL.Path, Equals, "/v2/snaps/system/conf")
fmt.Fprintf(w, `{"type":"sync", "status-code": 200, "result": {"seed.loaded":%v}}\n`, n > 1)
n++
})
_, err := snap.Parser(snap.Client()).ParseArgs([]string{"wait", "system", "seed.loaded"})
c.Assert(err, IsNil)
// ensure we retried a bit but make the check not overly precise
// because this will run in super busy build hosts that where a
// 10 millisecond sleep actually takes much longer until the kernel
// hands control back to the process
c.Check(n > 2, Equals, true)
}
func (s *SnapSuite) TestCmdWaitMissingConfKey(c *C) {
n := 0
s.RedirectClientToTestServer(func(w http.ResponseWriter, r *http.Request) {
n++
})
_, err := snap.Parser(snap.Client()).ParseArgs([]string{"wait", "snapName"})
c.Assert(err, ErrorMatches, "the required argument `<key>` was not provided")
c.Check(n, Equals, 0)
}
func (s *SnapSuite) TestTrueishJSON(c *C) {
tests := []struct {
v any
b bool
errStr string
}{
// nil
{nil, false, ""},
// bool
{true, true, ""},
{false, false, ""},
// string
{"a", true, ""},
{"", false, ""},
// json.Number
{json.Number("1"), true, ""},
{json.Number("-1"), true, ""},
{json.Number("0"), false, ""},
{json.Number("1.0"), true, ""},
{json.Number("-1.0"), true, ""},
{json.Number("0.0"), false, ""},
// slices
{[]any{"a"}, true, ""},
{[]any{}, false, ""},
{[]string{"a"}, true, ""},
{[]string{}, false, ""},
// arrays
{[2]any{"a", "b"}, true, ""},
{[0]any{}, false, ""},
{[2]string{"a", "b"}, true, ""},
{[0]string{}, false, ""},
// maps
{map[string]any{"a": "a"}, true, ""},
{map[string]any{}, false, ""},
{map[any]any{"a": "a"}, true, ""},
{map[any]any{}, false, ""},
// invalid
{int(1), false, "cannot test type int for truth"},
}
for _, t := range tests {
res, err := snap.TrueishJSON(t.v)
if t.errStr == "" {
c.Check(err, IsNil)
} else {
c.Check(err, ErrorMatches, t.errStr)
}
c.Check(res, Equals, t.b, Commentf("unexpected result for %v (%T), did not get expected %v", t.v, t.v, t.b))
}
}
func (s *SnapSuite) TestCmdWaitIntegration(c *C) {
restore := snap.MockWaitConfTimeout(2 * time.Millisecond)
defer restore()
var tests = []struct {
v string
willWait bool
}{
// not-waiting
{"1.0", false},
{"-1.0", false},
{"0.1", false},
{"-0.1", false},
{"1", false},
{"-1", false},
{`"a"`, false},
{`["a"]`, false},
{`{"a":"b"}`, false},
// waiting
{"0", true},
{"0.0", true},
{"{}", true},
{"[]", true},
{`""`, true},
{"null", true},
}
testValueCh := make(chan string, 2)
n := 0
s.RedirectClientToTestServer(func(w http.ResponseWriter, r *http.Request) {
testValue := <-testValueCh
c.Check(r.Method, Equals, "GET")
c.Check(r.URL.Path, Equals, "/v2/snaps/system/conf")
fmt.Fprintf(w, `{"type":"sync", "status-code": 200, "result": {"test.value":%v}}\n`, testValue)
n++
})
for _, t := range tests {
n = 0
testValueCh <- t.v
if t.willWait {
// a "trueish" value to ensure wait does not wait forever
testValueCh <- "42"
}
_, err := snap.Parser(snap.Client()).ParseArgs([]string{"wait", "system", "test.value"})
c.Assert(err, IsNil)
if t.willWait {
// we waited once, then got a non-wait value
c.Check(n, Equals, 2)
} else {
// no waiting happened
c.Check(n, Equals, 1)
}
}
}
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