125 lines
2.8 KiB
Go
125 lines
2.8 KiB
Go
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package salix
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import (
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"errors"
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"strings"
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"testing"
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"go.elara.ws/salix/ast"
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)
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func TestFuncCall(t *testing.T) {
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const expected = 1 + 2i
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fn := func() complex128 { return expected }
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// test()
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ast := ast.FuncCall{
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Name: ast.Ident{Value: "test", Position: testPos(t)},
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Position: testPos(t),
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}
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tmpl := testTmpl(t)
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val, err := tmpl.execFuncCall(ast, map[string]any{"test": fn})
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if err != nil {
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t.Fatalf("execFuncCall error: %s", err)
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}
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if val.(complex128) != expected {
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t.Errorf("Expected %v, got %v", expected, val)
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}
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}
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func TestFuncCallVariadic(t *testing.T) {
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const expected = "Hello, World"
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concat := func(params ...string) string { return strings.Join(params, ", ") }
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// concat("Hello", "World")
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ast := ast.FuncCall{
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Name: ast.Ident{Value: "concat", Position: testPos(t)},
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Params: []ast.Node{
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ast.String{Value: "Hello", Position: testPos(t)},
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ast.String{Value: "World", Position: testPos(t)},
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},
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Position: testPos(t),
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}
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tmpl := testTmpl(t)
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val, err := tmpl.execFuncCall(ast, map[string]any{"concat": concat})
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if err != nil {
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t.Fatalf("execFuncCall error: %s", err)
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}
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if val.(string) != expected {
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t.Errorf("Expected %q, got %q", expected, val)
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}
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}
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func TestFuncCallError(t *testing.T) {
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var expectedErr = errors.New("expected error")
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fn := func() error { return expectedErr }
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// test()
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ast := ast.FuncCall{
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Name: ast.Ident{Value: "test", Position: testPos(t)},
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Position: testPos(t),
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}
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tmpl := testTmpl(t)
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_, err := tmpl.execFuncCall(ast, map[string]any{"test": fn})
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if !errors.Is(err, expectedErr) {
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t.Errorf("Expected %q, got %q", expectedErr, err)
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}
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}
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func TestFuncCallMultiReturn(t *testing.T) {
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const expected = "test"
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fn := func() (string, error) { return expected, nil }
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// test()
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ast := ast.FuncCall{
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Name: ast.Ident{Value: "test", Position: testPos(t)},
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Position: testPos(t),
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}
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tmpl := testTmpl(t)
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val, err := tmpl.execFuncCall(ast, map[string]any{"test": fn})
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if err != nil {
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t.Fatalf("execFuncCall error: %s", err)
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}
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if val.(string) != expected {
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t.Errorf("Expected %q, got %q", expected, val)
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}
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}
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func TestFuncCallMultiReturnError(t *testing.T) {
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var expectedErr = errors.New("expected error")
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fn := func() (string, error) { return "", expectedErr }
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// test()
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ast := ast.FuncCall{
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Name: ast.Ident{Value: "test", Position: testPos(t)},
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Position: testPos(t),
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}
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tmpl := testTmpl(t)
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_, err := tmpl.execFuncCall(ast, map[string]any{"test": fn})
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if !errors.Is(err, expectedErr) {
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t.Errorf("Expected %q, got %q", expectedErr, err)
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}
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}
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func TestFuncCallNil(t *testing.T) {
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// test()
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ast := ast.FuncCall{
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Name: ast.Ident{Value: "test", Position: testPos(t)},
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Position: testPos(t),
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}
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tmpl := testTmpl(t)
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_, err := tmpl.execFuncCall(ast, map[string]any{"test": nil})
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if err == nil {
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t.Error("Expected error, got nil")
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}
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}
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