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filesystem_test.go
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filesystem_test.go
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package main
import (
"io/fs"
"testing"
"testing/fstest"
)
type MockDirEntry struct {
name string
isDir bool
}
func (m MockDirEntry) Name() string {
return m.name
}
func (m MockDirEntry) IsDir() bool {
return m.isDir
}
func (m MockDirEntry) Type() fs.FileMode {
return 1
}
func (m MockDirEntry) Info() (fs.FileInfo, error) {
return nil, nil
}
func TestFindProjects(t *testing.T) {
t.Run("project in root", func(t *testing.T) {
filesystem := fstest.MapFS{
".terraform/root.go": {},
}
want := []fs.DirEntry{MockDirEntry{name: "."}}
projects, err := findAllTerraformProjects(filesystem)
if err != nil {
t.Errorf("Got error %v:", err)
}
assertSameDirectories(t, projects, want)
})
t.Run("ignores files", func(t *testing.T) {
filesystem := fstest.MapFS{
".terraform/terraform.go": {},
"root.go": {},
}
want := []fs.DirEntry{MockDirEntry{name: "."}}
projects, err := findAllTerraformProjects(filesystem)
if err != nil {
t.Errorf("Got error %v:", err)
}
assertSameDirectories(t, projects, want)
})
t.Run("ignores dot directories", func(t *testing.T) {
filesystem := fstest.MapFS{
".terraform/terraform.go": {},
".test/test.go": {},
}
want := []fs.DirEntry{MockDirEntry{name: "."}}
projects, err := findAllTerraformProjects(filesystem)
if err != nil {
t.Errorf("Got error %v:", err)
}
assertSameDirectories(t, projects, want)
})
t.Run("finds nested project", func(t *testing.T) {
filesystem := fstest.MapFS{
".terraform/terraform.go": {},
"project/.terraform/terraform.go": {},
}
want := []fs.DirEntry{MockDirEntry{name: "."}, MockDirEntry{name: "project"}}
projects, err := findAllTerraformProjects(filesystem)
if err != nil {
t.Errorf("Got error %v:", err)
}
assertSameDirectories(t, projects, want)
})
t.Run("finds double nested project", func(t *testing.T) {
filesystem := fstest.MapFS{
".terraform/terraform.go": {},
"project/sub/.terraform/terraform.go": {},
}
want := []fs.DirEntry{MockDirEntry{name: "."}, MockDirEntry{name: "sub"}}
projects, err := findAllTerraformProjects(filesystem)
if err != nil {
t.Errorf("Got error %v:", err)
}
assertSameDirectories(t, projects, want)
})
}
func assertSameDirectories(t *testing.T, got []Project, want []fs.DirEntry) {
t.Helper()
if len(got) != len(want) {
t.Errorf("got %v, want %v", got, want)
}
for i := range got {
if got[i].Name != want[i].Name() {
t.Errorf("got %v, want %v", got[i], want[i])
}
}
}