elvish/pkg/edit/binding_map_test.go
Qi Xiao a1b30deb86 pkg/eval/evaltest: Rename TestWithFullSetup -> TestWithSetup.
The old TestWithSetup is now more accurately called TestWithEvalerSetup.
2023-07-22 23:04:18 +01:00

66 lines
1.9 KiB
Go

package edit
import (
"testing"
"src.elv.sh/pkg/eval"
. "src.elv.sh/pkg/eval/evaltest"
"src.elv.sh/pkg/eval/vals"
"src.elv.sh/pkg/eval/vars"
)
func TestBindingMap(t *testing.T) {
// TODO
TestWithEvalerSetup(t, func(ev *eval.Evaler) {
ev.ExtendBuiltin(eval.BuildNs().AddGoFn("binding-map", makeBindingMap))
},
// Checking key and value when constructing
That("binding-map [&[]={ }]").
Throws(ErrorWithMessage("must be key or string")),
That("binding-map [&foo={ }]").
Throws(ErrorWithMessage("bad key: foo")),
That("binding-map [&a=string]").
Throws(ErrorWithMessage("value should be function")),
// repr prints a binding-map like an ordinary map
That("repr (binding-map [&])").Prints("[&]\n"),
// Keys are always sorted
That("repr (binding-map [&a=$nop~ &b=$nop~ &c=$nop~])").
Prints("[&a=<builtin nop> &b=<builtin nop> &c=<builtin nop>]\n"),
// Indexing
That("eq $nop~ (binding-map [&a=$nop~])[a]").Puts(true),
// Checking key
That("put (binding-map [&a=$nop~])[foo]").
Throws(ErrorWithMessage("bad key: foo")),
// Assoc
That("count (assoc (binding-map [&a=$nop~]) b $nop~)").Puts(2),
// Checking key
That("(assoc (binding-map [&a=$nop~]) foo $nop~)").
Throws(ErrorWithMessage("bad key: foo")),
// Checking value
That("(assoc (binding-map [&a=$nop~]) b foo)").
Throws(ErrorWithMessage("value should be function")),
// Dissoc
That("count (dissoc (binding-map [&a=$nop~]) a)").Puts(0),
// Allows bad key - no op
That("count (dissoc (binding-map [&a=$nop~]) foo)").Puts(1),
)
}
// The happy path of bindingHelp is tested in modes that use bindingHelp.
func TestBindingHelp_NoBinding(t *testing.T) {
ns := eval.BuildNs().
AddGoFn("a", func() {}).
AddVar("binding", vars.FromInit(bindingsMap{vals.EmptyMap})).
Ns()
// A bindings map with no relevant binding
if got := bindingTips(ns, "binding", bindingTip("do a", "a")); len(got) > 0 {
t.Errorf("got %v, want empty text", got)
}
}