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Test every package's panics for the one invariant phrase, and a Source built from a directory

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Lilleman auf Larv
2026-10-05 15:42:31 +02:00
committed by Lillem4n
parent e8b7357cfc
commit 835cdb57d4
3 changed files with 82 additions and 46 deletions
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imports_test.go
+32 -24
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@@ -29,37 +29,23 @@ func TestPackageImports(t *testing.T) {
}
checked := 0
allowed := map[string][]string{
".": {"internal/builtinfunc", "internal/datafiles", "internal/datatype", "internal/drawstate", "internal/grammar", "internal/proven"},
".": {"internal/builtinfunc", "internal/datafiles", "internal/datatype", "internal/drawstate", "internal/grammar", "internal/invariant", "internal/proven"},
"cmd/fejkdata": {"."},
"internal/builtinfunc": {"internal/datatype", "internal/drawstate", "internal/grammar", "internal/proven"},
"internal/builtinfunc": {"internal/datatype", "internal/drawstate", "internal/grammar", "internal/invariant", "internal/proven"},
"internal/datafiles": {"internal/grammar"},
"internal/datatype": nil,
"internal/drawstate": nil,
"internal/grammar": nil,
"internal/proven": {"internal/datatype", "internal/grammar"},
"internal/invariant": nil,
"internal/proven": {"internal/datatype", "internal/grammar", "internal/invariant"},
}
seen := map[string]bool{}
err = filepath.WalkDir(".", func(dir string, d fs.DirEntry, err error) error {
if err != nil || !d.IsDir() {
return err
}
if dir != "." && (strings.HasPrefix(d.Name(), ".") || d.Name() == "testdata") {
return filepath.SkipDir
}
pkg, err := build.ImportDir(dir, 0)
var noGo *build.NoGoError
if errors.As(err, &noGo) {
return nil
}
if err != nil {
return err
}
dir = filepath.ToSlash(dir)
eachPackage(t, func(dir string, pkg *build.Package) {
seen[dir] = true
may, listed := allowed[dir]
if !listed {
t.Errorf("package %s is not listed: add the module packages it may import", dir)
return nil
return
}
for _, imp := range slices.Concat(pkg.Imports, pkg.TestImports, pkg.XTestImports) {
if imp != module && !strings.HasPrefix(imp, module+"/") {
@@ -74,11 +60,7 @@ func TestPackageImports(t *testing.T) {
t.Errorf("package %s imports %s, which its list does not allow", dir, rel)
}
}
return nil
})
if err != nil {
t.Fatal(err)
}
if checked == 0 {
t.Fatalf("no package imports a package of module %s, which go.mod names", module)
}
@@ -88,3 +70,29 @@ func TestPackageImports(t *testing.T) {
}
}
}
// eachPackage calls fn with every Go package in the module and its slash-separated directory.
func eachPackage(t *testing.T, fn func(dir string, pkg *build.Package)) {
t.Helper()
err := filepath.WalkDir(".", func(dir string, d fs.DirEntry, err error) error {
if err != nil || !d.IsDir() {
return err
}
if dir != "." && (strings.HasPrefix(d.Name(), ".") || d.Name() == "testdata") {
return filepath.SkipDir
}
pkg, err := build.ImportDir(dir, 0)
var noGo *build.NoGoError
if errors.As(err, &noGo) {
return nil
}
if err != nil {
return err
}
fn(filepath.ToSlash(dir), pkg)
return nil
})
if err != nil {
t.Fatal(err)
}
}