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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package prog
import (
"fmt"
"os"
"runtime"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/vespa-engine/vespa/client/go/internal/admin/trace"
"github.com/vespa-engine/vespa/client/go/internal/util"
)
var tmpBin string
var mockBinParent string
func useMock(prog, target string) {
mock := fmt.Sprintf("%s/mockbin/%s", mockBinParent, prog)
symlink := fmt.Sprintf("%s/%s", tmpBin, target)
os.Remove(symlink)
err := os.Symlink(mock, symlink)
if err != nil {
util.JustExitWith(err)
}
}
func setupValgrind(t *testing.T, testFileName string) {
trace.AdjustVerbosity(1)
t.Setenv("VESPA_HOME", mockBinParent+"/mock_vespahome")
mockBinParent = strings.TrimSuffix(testFileName, "/valgrind_test.go")
tmpBin = t.TempDir() + "/mock.bin.valgrind_test"
err := os.MkdirAll(tmpBin, 0755)
assert.Nil(t, err)
t.Setenv("PATH", fmt.Sprintf("%s:%s", tmpBin, os.Getenv("PATH")))
}
func TestValgrindDetection(t *testing.T) {
if runtime.GOOS == "windows" {
return
}
_, tfn, _, _ := runtime.Caller(0)
setupValgrind(t, tfn)
spec := NewSpec([]string{"/opt/vespa/bin/foobar"})
var argv []string
useMock("has-valgrind", VALGRIND_PROG)
t.Setenv("VESPA_USE_VALGRIND", "")
spec.ConfigureValgrind()
assert.Equal(t, false, spec.shouldUseValgrind)
assert.Equal(t, false, spec.shouldUseCallgrind)
t.Setenv("VESPA_USE_VALGRIND", "all")
spec.ConfigureValgrind()
assert.Equal(t, true, spec.shouldUseValgrind)
assert.Equal(t, false, spec.shouldUseCallgrind)
t.Setenv("VESPA_USE_VALGRIND", "foo bar")
spec.ConfigureValgrind()
assert.Equal(t, false, spec.shouldUseValgrind)
assert.Equal(t, false, spec.shouldUseCallgrind)
t.Setenv("VESPA_USE_VALGRIND", "foobar")
spec.ConfigureValgrind()
assert.Equal(t, true, spec.shouldUseValgrind)
assert.Equal(t, false, spec.shouldUseCallgrind)
argv = spec.prependValgrind([]string{"/bin/myprog", "-c", "cfgid"})
trace.Trace("argv:", argv)
assert.Equal(t, 11, len(argv))
assert.Equal(t, "valgrind", argv[0])
assert.Equal(t, "/bin/myprog", argv[8])
t.Setenv("VESPA_USE_VALGRIND", "another foobar yetmore")
spec.ConfigureValgrind()
assert.Equal(t, true, spec.shouldUseValgrind)
assert.Equal(t, false, spec.shouldUseCallgrind)
t.Setenv("VESPA_VALGRIND_OPT", "--tool=callgrind")
spec.ConfigureValgrind()
assert.Equal(t, true, spec.shouldUseValgrind)
assert.Equal(t, true, spec.shouldUseCallgrind)
argv = spec.prependValgrind([]string{"/bin/myprog", "-c", "cfgid"})
trace.Trace("argv:", argv)
assert.Equal(t, 6, len(argv))
assert.Equal(t, "valgrind", argv[0])
assert.Equal(t, "--tool=callgrind", argv[1])
assert.Equal(t, "/bin/myprog", argv[3])
useMock("no-valgrind", "valgrind")
spec.ConfigureValgrind()
assert.Equal(t, false, spec.shouldUseValgrind)
assert.Equal(t, false, spec.shouldUseCallgrind)
}
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