Run tests with race detector

tools/testtool/commands/test_submission.go

@@ -237,8 +237,11 @@ func runTests(testDir, privateRepo, problem string) error {
 		return cmd.Run()
 	}
 
-	binaries := map[string]string{}
+	var (
-	testBinaries := map[string]string{}
+		binaries     = make(map[string]string)
+		testBinaries = make(map[string]string)
+		raceBinaries = make(map[string]string)
+	)
 
 	//binPkgs, testPkgs := listTestsAndBinaries(filepath.Join(testDir, problem), []string{"-tags", "private", "-mod", "readonly"}) // todo return readonly
 	binPkgs, testPkgs := listTestsAndBinaries(filepath.Join(testDir, problem), []string{"-tags", "private"})
@@ -263,15 +266,24 @@ func runTests(testDir, privateRepo, problem string) error {
 	binariesJSON, _ := json.Marshal(binaries)
 
 	for testPkg := range testPkgs {
-		binPath := filepath.Join(binCache, randomName())
+		testPath := filepath.Join(binCache, randomName())
-		testBinaries[testPkg] = binPath
+		testBinaries[testPkg] = testPath
-		cmd := []string{"test", "-mod", "readonly", "-tags", "private", "-c", "-o", binPath, testPkg}
+
+		cmd := []string{"test", "-mod", "readonly", "-tags", "private", "-c", "-o", testPath, testPkg}
 		if coverageReq.Enabled {
 			cmd = append(cmd, "-cover", "-coverpkg", strings.Join(coveragePackages, ","))
 		}
 		if err := runGo(cmd...); err != nil {
 			return fmt.Errorf("error building test in %s: %w", testPkg, err)
 		}
+
+		racePath := filepath.Join(binCache, randomName())
+		raceBinaries[testPkg] = racePath
+
+		cmd = []string{"test", "-mod", "readonly", "-race", "-tags", "private", "-c", "-o", racePath, testPkg}
+		if err := runGo(cmd...); err != nil {
+			return fmt.Errorf("error building test in %s: %w", testPkg, err)
+		}
 	}
 
 	coverProfiles := []string{}
@@ -306,6 +318,29 @@ func runTests(testDir, privateRepo, problem string) error {
 			}
 		}
 
+		{
+			cmd := exec.Command(raceBinaries[testPkg], "-test.bench=.")
+			if currentUserIsRoot() {
+				if err := sandbox(cmd); err != nil {
+					log.Fatal(err)
+				}
+			}
+
+			cmd.Dir = filepath.Join(testDir, relPath)
+			cmd.Env = []string{
+				testtool.BinariesEnv + "=" + string(binariesJSON),
+				"PATH=" + os.Getenv("PATH"),
+				"HOME=" + os.Getenv("HOME"),
+				"GOCACHE=" + goCache,
+			}
+			cmd.Stdout = os.Stdout
+			cmd.Stderr = os.Stderr
+
+			if err := cmd.Run(); err != nil {
+				return &TestFailedError{E: err}
+			}
+		}
+
 		{
 			benchCmd := exec.Command(testBinary, "-test.bench=.", "-test.run=^$")
 			if currentUserIsRoot() {

tools/testtool/testdata/submissions/incorrect/datarace/description.md

@@ -0,0 +1 @@
+Student solution compiles but does not pass tests.

tools/testtool/testdata/submissions/incorrect/datarace/private/.golangci.yml

@@ -0,0 +1,80 @@
+# options for analysis running
+run:
+  # default concurrency is a available CPU number
+  concurrency: 8
+
+  # timeout for analysis, e.g. 30s, 5m, default is 1m
+  deadline: 5m
+
+  # exit code when at least one issue was found, default is 1
+  issues-exit-code: 1
+
+  # include test files or not, default is true
+  tests: true
+
+
+# output configuration options
+output:
+  # colored-line-number|line-number|json|tab|checkstyle, default is "colored-line-number"
+  format: colored-line-number
+
+  # print lines of code with issue, default is true
+  print-issued-lines: true
+
+  # print linter name in the end of issue text, default is true
+  print-linter-name: true
+
+
+# all available settings of specific linters
+linters-settings:
+  govet:
+    # report about shadowed variables
+    check-shadowing: true
+  golint:
+    # minimal confidence for issues, default is 0.8
+    min-confidence: 0.8
+  gofmt:
+    # simplify code: gofmt with `-s` option, true by default
+    simplify: true
+  goimports:
+    # put imports beginning with prefix after 3rd-party packages;
+    # it's a comma-separated list of prefixes
+    local-prefixes: gitlab.com
+  stylecheck:
+    # https://staticcheck.io/docs/options#checks
+    checks: ["all", "-ST1018"]
+
+linters:
+  disable-all: true
+  enable:
+    - errcheck
+    - gofmt
+    - stylecheck
+    - gosimple
+    - govet
+    - ineffassign
+    - exportloopref
+    - staticcheck
+    - typecheck
+    - unconvert
+
+
+issues:
+  # List of regexps of issue texts to exclude, empty list by default.
+  # But independently from this option we use default exclude patterns,
+  # it can be disabled by `exclude-use-default: false`. To list all
+  # excluded by default patterns execute `golangci-lint run --help`
+  exclude:
+    - Using the variable on range scope .* in function literal
+
+  # Independently from option `exclude` we use default exclude patterns,
+  # it can be disabled by this option. To list all
+  # excluded by default patterns execute `golangci-lint run --help`.
+  # Default value for this option is true.
+  exclude-use-default: true
+
+  # Maximum issues count per one linter. Set to 0 to disable. Default is 50.
+  max-per-linter: 0
+
+  # Maximum count of issues with the same text. Set to 0 to disable. Default is 3.
+  max-same-issues: 0

tools/testtool/testdata/submissions/incorrect/datarace/private/datarace/sum.go

@@ -0,0 +1,8 @@
+//go:build !solution
+// +build !solution
+
+package datarace
+
+func Sum(a, b int64) int64 {
+	return 0
+}

tools/testtool/testdata/submissions/incorrect/datarace/private/datarace/sum_solution.go

@@ -0,0 +1,8 @@
+//go:build solution
+// +build solution
+
+package datarace
+
+func Sum(a, b int64) int64 {
+	return a + b
+}

tools/testtool/testdata/submissions/incorrect/datarace/private/datarace/sum_test.go

@@ -0,0 +1,22 @@
+package datarace
+
+import (
+	"math"
+	"testing"
+)
+
+type testCase struct {
+	a, b, sum int64
+}
+
+func TestSum(t *testing.T) {
+	for _, input := range []testCase{
+		{a: 2, b: 2, sum: 4},
+		{a: 2, b: -2, sum: 0},
+		{a: math.MaxInt64, b: 1, sum: math.MinInt64},
+	} {
+		if out := Sum(input.a, input.b); out != input.sum {
+			t.Errorf("%d + %d == %d != %d", input.a, input.b, out, input.sum)
+		}
+	}
+}

tools/testtool/testdata/submissions/incorrect/datarace/private/go.mod

@@ -0,0 +1,9 @@
+module gitlab.com/slon/shad-go
+
+go 1.16
+
+require (
+	github.com/spf13/cobra v0.0.5
+	github.com/stretchr/testify v1.4.0
+	golang.org/x/tools v0.0.0-20200125223703-d33eef8e6825
+)

tools/testtool/testdata/submissions/incorrect/datarace/private/go.sum

@@ -0,0 +1,53 @@
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
+github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
+github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
+github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
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+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
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+github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
+github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
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tools/testtool/testdata/submissions/incorrect/datarace/student/datarace/sum.go

@@ -0,0 +1,26 @@
+//go:build !solution
+// +build !solution
+
+package datarace
+
+import "sync"
+
+func Sum(a, b int64) int64 {
+	var s int64
+
+	var wg sync.WaitGroup
+	wg.Add(2)
+
+	go func() {
+		defer wg.Done()
+		s += a
+	}()
+
+	go func() {
+		defer wg.Done()
+		s += b
+	}()
+
+	wg.Wait()
+	return s
+}

tools/testtool/testdata/submissions/incorrect/datarace/student/datarace/sum_test.go

@@ -0,0 +1,23 @@
+package datarace
+
+import (
+	"math"
+	"testing"
+)
+
+type testCase struct {
+	a, b, sum int64
+}
+
+func TestSum(t *testing.T) {
+	for _, input := range []testCase{
+		{a: 2, b: 2, sum: 4},
+		{a: 2, b: -2, sum: 0},
+		{a: math.MaxInt64, b: 1, sum: math.MinInt64},
+		{a: -1, b: -1, sum: -2},
+	} {
+		if out := Sum(input.a, input.b); out != input.sum {
+			t.Errorf("%d + %d == %d != %d", input.a, input.b, out, input.sum)
+		}
+	}
+}

tools/testtool/testdata/submissions/incorrect/datarace/student/go.mod

@@ -0,0 +1,9 @@
+module gitlab.com/slon/shad-go
+
+go 1.16
+
+require (
+	github.com/spf13/cobra v0.0.5
+	github.com/stretchr/testify v1.4.0
+	golang.org/x/tools v0.0.0-20200125223703-d33eef8e6825
+)

tools/testtool/testdata/submissions/incorrect/datarace/student/go.sum

@@ -0,0 +1,53 @@
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