prysm-pulse/tools/analyzers/errcheck/embedded_walker_test.go
terencechain d17996f8b0
Update to V4 🚀 (#12134)
* Update V3 from V4

* Fix build v3 -> v4

* Update ssz

* Update beacon_chain.pb.go

* Fix formatter import

* Update update-mockgen.sh comment to v4

* Fix conflicts. Pass build and tests

* Fix test
2023-03-17 18:52:56 +00:00

83 lines
1.9 KiB
Go

package errcheck
import (
"go/ast"
"go/parser"
"go/token"
"go/types"
"testing"
"github.com/prysmaticlabs/prysm/v4/testing/assert"
"github.com/prysmaticlabs/prysm/v4/testing/require"
)
const commonSrc = `
package p
type Inner struct {}
func (Inner) Method()
type Outer struct {Inner}
type OuterP struct {*Inner}
type InnerInterface interface {
Method()
}
type OuterInterface interface {InnerInterface}
type MiddleInterfaceStruct struct {OuterInterface}
type OuterInterfaceStruct struct {MiddleInterfaceStruct}
var c = `
type testCase struct {
selector string
expectedOk bool
expected []string
}
func TestWalkThroughEmbeddedInterfaces(t *testing.T) {
cases := []testCase{
{"Inner{}.Method", false, nil},
{"(&Inner{}).Method", false, nil},
{"Outer{}.Method", false, nil},
{"InnerInterface.Method", true, []string{"test.InnerInterface"}},
{"OuterInterface.Method", true, []string{"test.OuterInterface", "test.InnerInterface"}},
{"OuterInterfaceStruct.Method", true, []string{"test.OuterInterface", "test.InnerInterface"}},
}
for _, c := range cases {
fset := token.NewFileSet()
f, err := parser.ParseFile(fset, "test", commonSrc+c.selector, 0)
require.NoError(t, err)
conf := types.Config{}
info := types.Info{
Selections: make(map[*ast.SelectorExpr]*types.Selection),
}
_, err = conf.Check("test", fset, []*ast.File{f}, &info)
require.NoError(t, err)
ast.Inspect(f, func(n ast.Node) bool {
s, ok := n.(*ast.SelectorExpr)
if ok {
selection, ok := info.Selections[s]
require.Equal(t, true, ok, "No selection!")
ts, ok := walkThroughEmbeddedInterfaces(selection)
if ok != c.expectedOk {
t.Errorf("expected ok %v got %v", c.expectedOk, ok)
return false
}
if !ok {
return false
}
require.Equal(t, len(c.expected), len(ts))
for i, e := range c.expected {
assert.Equal(t, e, ts[i].String(), "mismatch at index %d", i)
}
}
return true
})
}
}