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// Copyright 2019 The ChromiumOS Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package main
import (
"errors"
"fmt"
"io"
"path"
"strings"
"testing"
)
func TestCheckClangSyntaxByNestedCall(t *testing.T) {
withTestContext(t, func(ctx *testContext) {
ctx.cmdMock = func(cmd *command, stdin io.Reader, stdout io.Writer, stderr io.Writer) error {
if ctx.cmdCount == 1 {
if err := verifyPath(cmd, "usr/bin/clang"); err != nil {
return err
}
if err := verifyArgOrder(cmd, mainCc, "-fsyntax-only", `-stdlib=libstdc\+\+`); err != nil {
return err
}
}
return nil
}
cmd := ctx.must(callCompiler(ctx, ctx.cfg,
ctx.newCommand(gccX86_64, "-clang-syntax", mainCc)))
if ctx.cmdCount != 2 {
t.Errorf("expected 2 calls. Got: %d", ctx.cmdCount)
}
if err := verifyPath(cmd, gccX86_64+".real"); err != nil {
t.Error(err)
}
if err := verifyArgCount(cmd, 0, "-clang-syntax"); err != nil {
t.Error(err)
}
})
}
func TestForwardStdOutAndStderrFromClangSyntaxCheck(t *testing.T) {
withTestContext(t, func(ctx *testContext) {
ctx.cmdMock = func(cmd *command, stdin io.Reader, stdout io.Writer, stderr io.Writer) error {
if ctx.cmdCount == 1 {
fmt.Fprint(stdout, "somemessage")
fmt.Fprint(stderr, "someerror")
}
return nil
}
ctx.must(callCompiler(ctx, ctx.cfg,
ctx.newCommand(gccX86_64, "-clang-syntax", mainCc)))
if ctx.stdoutString() != "somemessage" {
t.Errorf("stdout was not forwarded. Got: %s", ctx.stdoutString())
}
if ctx.stderrString() != "someerror" {
t.Errorf("stderr was not forwarded. Got: %s", ctx.stderrString())
}
})
}
func TestForwardStdinToClangSyntaxCheck(t *testing.T) {
withTestContext(t, func(ctx *testContext) {
ctx.cmdMock = func(cmd *command, stdin io.Reader, stdout io.Writer, stderr io.Writer) error {
// Note: This is called for the clang syntax call as well as for
// the gcc call, and we assert that stdin is cloned and forwarded
// to both.
stdinStr := ctx.readAllString(stdin)
if stdinStr != "someinput" {
return fmt.Errorf("unexpected stdin. Got: %s", stdinStr)
}
return nil
}
io.WriteString(&ctx.stdinBuffer, "someinput")
ctx.must(callCompiler(ctx, ctx.cfg,
ctx.newCommand(gccX86_64, "-clang-syntax", "-", mainCc)))
})
}
func TestForwardExitCodeFromClangSyntaxCheck(t *testing.T) {
withTestContext(t, func(ctx *testContext) {
ctx.cmdMock = func(cmd *command, stdin io.Reader, stdout io.Writer, stderr io.Writer) error {
if ctx.cmdCount == 1 {
return newExitCodeError(23)
}
return nil
}
exitCode := callCompiler(ctx, ctx.cfg,
ctx.newCommand(gccX86_64, "-clang-syntax", mainCc))
if exitCode != 23 {
t.Errorf("unexpected exit code. Got: %d", exitCode)
}
})
}
func TestReportGeneralErrorsFromClangSyntaxCheck(t *testing.T) {
withTestContext(t, func(ctx *testContext) {
ctx.cmdMock = func(cmd *command, stdin io.Reader, stdout io.Writer, stderr io.Writer) error {
if ctx.cmdCount == 1 {
return errors.New("someerror")
}
return nil
}
stderr := ctx.mustFail(callCompiler(ctx, ctx.cfg,
ctx.newCommand(gccX86_64, "-clang-syntax", mainCc)))
if err := verifyInternalError(stderr); err != nil {
t.Fatal(err)
}
if !strings.Contains(stderr, "someerror") {
t.Errorf("unexpected error. Got: %s", stderr)
}
})
}
func TestIgnoreClangSyntaxCheckWhenCallingClang(t *testing.T) {
withTestContext(t, func(ctx *testContext) {
ctx.cmdMock = func(cmd *command, stdin io.Reader, stdout io.Writer, stderr io.Writer) error {
if ctx.cmdCount > 1 {
return fmt.Errorf("Unexpected call %#v", cmd)
}
return nil
}
cmd := ctx.must(callCompiler(ctx, ctx.cfg,
ctx.newCommand(clangX86_64, "-clang-syntax", mainCc)))
if err := verifyArgCount(cmd, 0, "-clang-syntax"); err != nil {
t.Error(err)
}
})
}
func TestUseGomaForClangSyntaxCheck(t *testing.T) {
withTestContext(t, func(ctx *testContext) {
gomaPath := path.Join(ctx.tempDir, "gomacc")
// Create a file so the gomacc path is valid.
ctx.writeFile(gomaPath, "")
ctx.env = []string{"GOMACC_PATH=" + gomaPath}
ctx.cmdMock = func(cmd *command, stdin io.Reader, stdout io.Writer, stderr io.Writer) error {
if ctx.cmdCount == 1 {
if err := verifyPath(cmd, gomaPath); err != nil {
return err
}
if err := verifyArgOrder(cmd, "usr/bin/clang", mainCc); err != nil {
return err
}
}
return nil
}
cmd := ctx.must(callCompiler(ctx, ctx.cfg,
ctx.newCommand(gccX86_64, "-clang-syntax", mainCc)))
if ctx.cmdCount != 2 {
t.Errorf("expected 2 calls. Got: %d", ctx.cmdCount)
}
if err := verifyPath(cmd, gomaPath); err != nil {
t.Error(err)
}
})
}
func TestPartiallyOmitCCacheForClangSyntaxCheck(t *testing.T) {
withTestContext(t, func(ctx *testContext) {
ctx.cfg.useCCache = true
ctx.cmdMock = func(cmd *command, stdin io.Reader, stdout io.Writer, stderr io.Writer) error {
if ctx.cmdCount == 1 {
if err := verifyPath(cmd, "usr/bin/clang"); err != nil {
return err
}
}
return nil
}
cmd := ctx.must(callCompiler(ctx, ctx.cfg,
ctx.newCommand(gccX86_64, "-clang-syntax", mainCc)))
if ctx.cmdCount != 2 {
t.Errorf("expected 2 calls. Got: %d", ctx.cmdCount)
}
if err := verifyPath(cmd, "/usr/bin/ccache"); err != nil {
t.Error(err)
}
})
}
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