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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package vespa
import (
"io"
"os"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/vespa-engine/vespa/client/go/internal/admin/trace"
)
func setup(t *testing.T, contents string) string {
td := t.TempDir()
tmp := td + "/load_env_test.tmp"
vdir := tmp + "/vespa"
bdir := vdir + "/bin"
cdir := vdir + "/conf/vespa"
envf := cdir + "/default-env.txt"
err := os.MkdirAll(cdir, 0755)
assert.Nil(t, err)
t.Setenv("VESPA_HOME", vdir)
err = os.MkdirAll(bdir, 0755)
assert.Nil(t, err)
err = os.WriteFile(envf, []byte(contents), 0644)
assert.Nil(t, err)
return tmp
}
func TestLoadEnvSimple(t *testing.T) {
trace.AdjustVerbosity(0)
t.Setenv("VESPA_FOO", "was foo")
t.Setenv("VESPA_BAR", "was bar")
t.Setenv("VESPA_FOOBAR", "foobar")
os.Unsetenv("VESPA_QUUX")
setup(t, `
# vespa env vars file
override VESPA_FOO "new foo"
fallback VESPA_BAR "new bar"
fallback VESPA_QUUX "new quux"
fallback VESPA_QUUX "bad quux"
unset VESPA_FOOBAR
`)
// run it
err := LoadDefaultEnv()
assert.Nil(t, err)
// check results
assert.Equal(t, os.Getenv("VESPA_FOO"), "new foo")
assert.Equal(t, os.Getenv("VESPA_BAR"), "was bar")
assert.Equal(t, os.Getenv("VESPA_FOOBAR"), "")
assert.Equal(t, os.Getenv("VESPA_QUUX"), "new quux")
_, present := os.LookupEnv("VESPA_FOOBAR")
assert.Equal(t, present, false)
}
func TestLoadEnvWhiteSpace(t *testing.T) {
// note trailing whitespace below!
setup(t, `
# vespa env vars file
override VESPA_V1 v1
override VESPA_V2 v2
override VESPA_V3 spaced v3 v3
override VESPA_V4 " quoted spaced "
override VESPA_V5 v5
`)
// run it
err := LoadDefaultEnv()
assert.Nil(t, err)
// check results
assert.Equal(t, os.Getenv("VESPA_V1"), "v1")
assert.Equal(t, os.Getenv("VESPA_V2"), "v2")
assert.Equal(t, os.Getenv("VESPA_V3"), "spaced v3 v3")
assert.Equal(t, os.Getenv("VESPA_V4"), " quoted spaced ")
assert.Equal(t, os.Getenv("VESPA_V5"), "v5")
}
func TestLoadEnvBadAction(t *testing.T) {
setup(t, `
# vespa env vars file
override VESPA_V1 v1
some junk here
override VESPA_V2 v2
`)
// run it
err := LoadDefaultEnv()
// check results
assert.Equal(t, os.Getenv("VESPA_V1"), "v1")
assert.Equal(t, os.Getenv("VESPA_V2"), "v2")
assert.NotNil(t, err)
assert.Equal(t, err.Error(), "unknown action 'some'")
}
func TestLoadEnvBadVar(t *testing.T) {
setup(t, `
# vespa env vars file
override VESPA_V1 v1
override .A foobar
override VESPA_V2 v2
`)
// run it
err := LoadDefaultEnv()
// check results
assert.Equal(t, os.Getenv("VESPA_V1"), "v1")
assert.Equal(t, os.Getenv("VESPA_V2"), "v2")
assert.NotNil(t, err)
assert.Equal(t, err.Error(), "Not a valid environment variable name: '.A'")
}
func TestFindUser(t *testing.T) {
u := FindVespaUser()
if u == "" {
t.Log("WARNING: empty result from FindVespaUser()")
} else {
t.Log("INFO: result from FindVespaUser() is", u)
assert.Equal(t, u, os.Getenv("VESPA_USER"))
}
setup(t, `
override VESPA_USER unprivuser
`)
LoadDefaultEnv()
u = FindVespaUser()
assert.Equal(t, "unprivuser", u)
}
func TestExportEnv(t *testing.T) {
t.Setenv("VESPA_FOO", "was foo")
t.Setenv("VESPA_BAR", "was bar")
t.Setenv("VESPA_FOOBAR", "foobar")
t.Setenv("VESPA_ALREADY", "already")
t.Setenv("VESPA_BARFOO", "was barfoo")
os.Unsetenv("VESPA_QUUX")
setup(t, `
# vespa env vars file
override VESPA_FOO "newFoo1"
fallback VESPA_FOO "bad foo"
fallback VESPA_BAR "new bar"
fallback VESPA_QUUX "new quux"
fallback VESPA_QUUX "bad quux"
fallback VESPA_ALREADY "already"
unset VESPA_FOOBAR
unset VESPA_BARFOO
fallback VESPA_BARFOO new'b<a>r'foo
override XYZ xyz
unset XYZ
`)
holder := newShellEnvExporter()
err := loadDefaultEnvTo(holder)
assert.Nil(t, err)
// new values:
assert.Equal(t, "newFoo1", holder.exportVars["VESPA_FOO"])
assert.Equal(t, "", holder.exportVars["VESPA_BAR"])
assert.Equal(t, "'new quux'", holder.exportVars["VESPA_QUUX"])
assert.Equal(t, `'new'\''b<a>r'\''foo'`, holder.exportVars["VESPA_BARFOO"])
assert.Equal(t, "already", holder.exportVars["VESPA_ALREADY"])
// unsets:
assert.Equal(t, "", holder.exportVars["VESPA_FOOBAR"])
assert.Equal(t, "unset", holder.unsetVars["VESPA_FOOBAR"])
assert.Equal(t, "", holder.exportVars["XYZ"])
assert.Equal(t, "unset", holder.unsetVars["XYZ"])
// nothing extra allowed:
assert.Equal(t, 4, len(holder.exportVars))
assert.Equal(t, 2, len(holder.unsetVars))
// run it
w := io.Discard
if testing.Verbose() {
w = os.Stdout
}
err = ExportDefaultEnvTo(w)
assert.Nil(t, err)
}
func TestLoadEnvNop(t *testing.T) {
td := setup(t, "")
t.Setenv("PATH", td)
err := LoadDefaultEnv()
assert.Nil(t, err)
// check results
path := os.Getenv("PATH")
t.Log("got path:", path)
assert.True(t, strings.Contains(path, td+"/vespa/bin:"))
assert.True(t, strings.Contains(path, ":"+td))
}
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