Mukan Erkin Törük
c32551b6f7
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105 lines
2.2 KiB
Go
105 lines
2.2 KiB
Go
package xast_test
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import (
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"go/ast"
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"go/parser"
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"go/token"
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"os"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/require"
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"git.cw.tr/mukan-network/mukan-ignite/ignite/pkg/errors"
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"git.cw.tr/mukan-network/mukan-ignite/ignite/pkg/xast"
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)
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func TestInspect(t *testing.T) {
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fset := token.NewFileSet()
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n, err := parser.ParseFile(fset, "testdata/inspect/test.go", nil, 0)
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require.NoError(t, err)
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var calls int
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tests := []struct {
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name string
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f func(n ast.Node) error
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expectedError string
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expectedCalls int
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}{
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{
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name: "random error",
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f: func(ast.Node) error {
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return errors.New("oups")
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},
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expectedError: "oups",
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},
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{
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name: "stop error",
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f: func(ast.Node) error {
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calls++
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return xast.ErrStop
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},
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expectedCalls: 1,
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},
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{
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name: "no error",
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f: func(ast.Node) error {
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calls++
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return nil
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},
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expectedCalls: 20,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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calls = 0
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err = xast.Inspect(n, tt.f)
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if tt.expectedError != "" {
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require.EqualError(t, err, tt.expectedError)
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return
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}
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require.NoError(t, err)
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require.Equal(t, tt.expectedCalls, calls)
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})
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}
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}
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func TestParseDir(t *testing.T) {
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pkg, fileSet, err := xast.ParseDir("testdata/parseDir")
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require.NoError(t, err)
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require.NotNil(t, fileSet)
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require.Equal(t, "file", pkg.Name)
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}
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func TestParseFile(t *testing.T) {
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dir := t.TempDir()
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t.Run("parse valid file", func(t *testing.T) {
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filePath := filepath.Join(dir, "valid.go")
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content := `package sample
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func hello() {}
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`
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require.NoError(t, os.WriteFile(filePath, []byte(content), 0o644))
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file, fileSet, err := xast.ParseFile(filePath)
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require.NoError(t, err)
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require.NotNil(t, fileSet)
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require.Equal(t, "sample", file.Name.Name)
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require.Len(t, file.Decls, 1)
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})
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t.Run("invalid file path", func(t *testing.T) {
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_, _, err := xast.ParseFile(filepath.Join(dir, "missing.go"))
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require.Error(t, err)
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})
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t.Run("invalid go file", func(t *testing.T) {
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filePath := filepath.Join(dir, "invalid.go")
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require.NoError(t, os.WriteFile(filePath, []byte("package sample\nfunc"), 0o644))
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_, _, err := xast.ParseFile(filePath)
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require.Error(t, err)
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})
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}
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