--- /dev/null
+package analysistest_test
+
+import (
+ "fmt"
+ "log"
+ "os"
+ "reflect"
+ "strings"
+ "testing"
+
+ "golang.org/x/tools/go/analysis/analysistest"
+ "golang.org/x/tools/go/analysis/passes/findcall"
+ "golang.org/x/tools/internal/testenv"
+)
+
+func init() {
+ // This test currently requires GOPATH mode.
+ // Explicitly disabling module mode should suffice, but
+ // we'll also turn off GOPROXY just for good measure.
+ if err := os.Setenv("GO111MODULE", "off"); err != nil {
+ log.Fatal(err)
+ }
+ if err := os.Setenv("GOPROXY", "off"); err != nil {
+ log.Fatal(err)
+ }
+}
+
+// TestTheTest tests the analysistest testing infrastructure.
+func TestTheTest(t *testing.T) {
+ testenv.NeedsTool(t, "go")
+
+ // We'll simulate a partly failing test of the findcall analysis,
+ // which (by default) reports calls to functions named 'println'.
+ findcall.Analyzer.Flags.Set("name", "println")
+
+ filemap := map[string]string{
+ "a/b.go": `package main // want package:"found"
+
+func main() {
+ // The expectation is ill-formed:
+ print() // want: "diagnostic"
+ print() // want foo"fact"
+ print() // want foo:
+ print() // want "\xZZ scan error"
+
+ // A diagnostic is reported at this line, but the expectation doesn't match:
+ println("hello, world") // want "wrong expectation text"
+
+ // An unexpected diagnostic is reported at this line:
+ println() // trigger an unexpected diagnostic
+
+ // No diagnostic is reported at this line:
+ print() // want "unsatisfied expectation"
+
+ // OK
+ println("hello, world") // want "call of println"
+
+ // OK /* */-form.
+ println("안녕, 세계") /* want "call of println" */
+
+ // OK (nested comment)
+ println("Γειά σου, Κόσμε") // some comment // want "call of println"
+
+ // OK (nested comment in /**/)
+ println("你好，世界") /* some comment // want "call of println" */
+
+ // OK (multiple expectations on same line)
+ println(); println() // want "call of println(...)" "call of println(...)"
+}
+
+// OK (facts and diagnostics on same line)
+func println(...interface{}) { println() } // want println:"found" "call of println(...)"
+
+`,
+ "a/b.go.golden": `package main // want package:"found"
+
+func main() {
+ // The expectation is ill-formed:
+ print() // want: "diagnostic"
+ print() // want foo"fact"
+ print() // want foo:
+ print() // want "\xZZ scan error"
+
+ // A diagnostic is reported at this line, but the expectation doesn't match:
+ println_TEST_("hello, world") // want "wrong expectation text"
+
+ // An unexpected diagnostic is reported at this line:
+ println_TEST_() // trigger an unexpected diagnostic
+
+ // No diagnostic is reported at this line:
+ print() // want "unsatisfied expectation"
+
+ // OK
+ println_TEST_("hello, world") // want "call of println"
+
+ // OK /* */-form.
+ println_TEST_("안녕, 세계") /* want "call of println" */
+
+ // OK (nested comment)
+ println_TEST_("Γειά σου, Κόσμε") // some comment // want "call of println"
+
+ // OK (nested comment in /**/)
+ println_TEST_("你好，世界") /* some comment // want "call of println" */
+
+ // OK (multiple expectations on same line)
+ println_TEST_()
+ println_TEST_() // want "call of println(...)" "call of println(...)"
+}
+
+// OK (facts and diagnostics on same line)
+func println(...interface{}) { println_TEST_() } // want println:"found" "call of println(...)"
+`,
+ "a/b_test.go": `package main
+
+// Test file shouldn't mess with things (issue #40574)
+`,
+ }
+ dir, cleanup, err := analysistest.WriteFiles(filemap)
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer cleanup()
+
+ var got []string
+ t2 := errorfunc(func(s string) { got = append(got, s) }) // a fake *testing.T
+ analysistest.RunWithSuggestedFixes(t2, dir, findcall.Analyzer, "a")
+
+ want := []string{
+ `a/b.go:5: in 'want' comment: unexpected ":"`,
+ `a/b.go:6: in 'want' comment: got String after foo, want ':'`,
+ `a/b.go:7: in 'want' comment: got EOF, want regular expression`,
+ `a/b.go:8: in 'want' comment: invalid char escape`,
+ `a/b.go:11:9: diagnostic "call of println(...)" does not match pattern "wrong expectation text"`,
+ `a/b.go:14:9: unexpected diagnostic: call of println(...)`,
+ `a/b.go:11: no diagnostic was reported matching "wrong expectation text"`,
+ `a/b.go:17: no diagnostic was reported matching "unsatisfied expectation"`,
+ // duplicate copies of each message from the test package (see issue #40574)
+ `a/b.go:5: in 'want' comment: unexpected ":"`,
+ `a/b.go:6: in 'want' comment: got String after foo, want ':'`,
+ `a/b.go:7: in 'want' comment: got EOF, want regular expression`,
+ `a/b.go:8: in 'want' comment: invalid char escape`,
+ `a/b.go:11:9: diagnostic "call of println(...)" does not match pattern "wrong expectation text"`,
+ `a/b.go:14:9: unexpected diagnostic: call of println(...)`,
+ `a/b.go:11: no diagnostic was reported matching "wrong expectation text"`,
+ `a/b.go:17: no diagnostic was reported matching "unsatisfied expectation"`,
+ }
+ if !reflect.DeepEqual(got, want) {
+ t.Errorf("got:\n%s\nwant:\n%s",
+ strings.Join(got, "\n"),
+ strings.Join(want, "\n"))
+ }
+}
+
+type errorfunc func(string)
+
+func (f errorfunc) Errorf(format string, args ...interface{}) {
+ f(fmt.Sprintf(format, args...))
+}
projects / dotfiles / .git / blobdiff