terraform/lang/funcs/filesystem_test.go

407 lines
8.9 KiB
Go

package funcs
import (
"fmt"
"path/filepath"
"testing"
homedir "github.com/mitchellh/go-homedir"
"github.com/zclconf/go-cty/cty"
"github.com/zclconf/go-cty/cty/function"
)
func TestFile(t *testing.T) {
tests := []struct {
Path cty.Value
Want cty.Value
Err bool
}{
{
cty.StringVal("testdata/hello.txt"),
cty.StringVal("Hello World"),
false,
},
{
cty.StringVal("testdata/icon.png"),
cty.NilVal,
true, // Not valid UTF-8
},
{
cty.StringVal("testdata/missing"),
cty.NilVal,
true, // no file exists
},
}
for _, test := range tests {
t.Run(fmt.Sprintf("File(\".\", %#v)", test.Path), func(t *testing.T) {
got, err := File(".", test.Path)
if test.Err {
if err == nil {
t.Fatal("succeeded; want error")
}
return
} else if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !got.RawEquals(test.Want) {
t.Errorf("wrong result\ngot: %#v\nwant: %#v", got, test.Want)
}
})
}
}
func TestTemplateFile(t *testing.T) {
tests := []struct {
Path cty.Value
Vars cty.Value
Want cty.Value
Err bool
}{
{
cty.StringVal("testdata/hello.txt"),
cty.EmptyObjectVal,
cty.StringVal("Hello World"),
false,
},
{
cty.StringVal("testdata/icon.png"),
cty.EmptyObjectVal,
cty.NilVal,
true, // Not valid UTF-8
},
{
cty.StringVal("testdata/missing"),
cty.EmptyObjectVal,
cty.NilVal,
true, // no file exists
},
{
cty.StringVal("testdata/hello.tmpl"),
cty.MapVal(map[string]cty.Value{
"name": cty.StringVal("Jodie"),
}),
cty.StringVal("Hello, Jodie!"),
false,
},
{
cty.StringVal("testdata/hello.tmpl"),
cty.ObjectVal(map[string]cty.Value{
"name": cty.StringVal("Jimbo"),
}),
cty.StringVal("Hello, Jimbo!"),
false,
},
{
cty.StringVal("testdata/hello.tmpl"),
cty.EmptyObjectVal,
cty.NilVal,
true, // "name" is missing from the vars map
},
{
cty.StringVal("testdata/func.tmpl"),
cty.ObjectVal(map[string]cty.Value{
"list": cty.ListVal([]cty.Value{
cty.StringVal("a"),
cty.StringVal("b"),
cty.StringVal("c"),
}),
}),
cty.StringVal("The items are a, b, c"),
false,
},
{
cty.StringVal("testdata/recursive.tmpl"),
cty.MapValEmpty(cty.String),
cty.NilVal,
true, // recursive templatefile call not allowed
},
{
cty.StringVal("testdata/list.tmpl"),
cty.ObjectVal(map[string]cty.Value{
"list": cty.ListVal([]cty.Value{
cty.StringVal("a"),
cty.StringVal("b"),
cty.StringVal("c"),
}),
}),
cty.StringVal("- a\n- b\n- c\n"),
false,
},
{
cty.StringVal("testdata/list.tmpl"),
cty.ObjectVal(map[string]cty.Value{
"list": cty.True,
}),
cty.NilVal,
true, // iteration over non-iterable value
},
{
cty.StringVal("testdata/bare.tmpl"),
cty.ObjectVal(map[string]cty.Value{
"val": cty.True,
}),
cty.True, // since this template contains only an interpolation, its true value shines through
false,
},
}
templateFileFn := MakeTemplateFileFunc(".", func() map[string]function.Function {
return map[string]function.Function{
"join": JoinFunc,
"templatefile": MakeFileFunc(".", false), // just a placeholder, since templatefile itself overrides this
}
})
for _, test := range tests {
t.Run(fmt.Sprintf("TemplateFile(%#v, %#v)", test.Path, test.Vars), func(t *testing.T) {
got, err := templateFileFn.Call([]cty.Value{test.Path, test.Vars})
if test.Err {
if err == nil {
t.Fatal("succeeded; want error")
}
return
} else if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !got.RawEquals(test.Want) {
t.Errorf("wrong result\ngot: %#v\nwant: %#v", got, test.Want)
}
})
}
}
func TestFileExists(t *testing.T) {
tests := []struct {
Path cty.Value
Want cty.Value
Err bool
}{
{
cty.StringVal("testdata/hello.txt"),
cty.BoolVal(true),
false,
},
{
cty.StringVal(""), // empty path
cty.BoolVal(false),
true,
},
{
cty.StringVal("testdata/missing"),
cty.BoolVal(false),
false, // no file exists
},
}
for _, test := range tests {
t.Run(fmt.Sprintf("FileExists(\".\", %#v)", test.Path), func(t *testing.T) {
got, err := FileExists(".", test.Path)
if test.Err {
if err == nil {
t.Fatal("succeeded; want error")
}
return
} else if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !got.RawEquals(test.Want) {
t.Errorf("wrong result\ngot: %#v\nwant: %#v", got, test.Want)
}
})
}
}
func TestFileBase64(t *testing.T) {
tests := []struct {
Path cty.Value
Want cty.Value
Err bool
}{
{
cty.StringVal("testdata/hello.txt"),
cty.StringVal("SGVsbG8gV29ybGQ="),
false,
},
{
cty.StringVal("testdata/icon.png"),
cty.StringVal("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"),
false,
},
{
cty.StringVal("testdata/missing"),
cty.NilVal,
true, // no file exists
},
}
for _, test := range tests {
t.Run(fmt.Sprintf("FileBase64(\".\", %#v)", test.Path), func(t *testing.T) {
got, err := FileBase64(".", test.Path)
if test.Err {
if err == nil {
t.Fatal("succeeded; want error")
}
return
} else if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !got.RawEquals(test.Want) {
t.Errorf("wrong result\ngot: %#v\nwant: %#v", got, test.Want)
}
})
}
}
func TestBasename(t *testing.T) {
tests := []struct {
Path cty.Value
Want cty.Value
Err bool
}{
{
cty.StringVal("testdata/hello.txt"),
cty.StringVal("hello.txt"),
false,
},
{
cty.StringVal("hello.txt"),
cty.StringVal("hello.txt"),
false,
},
{
cty.StringVal(""),
cty.StringVal("."),
false,
},
}
for _, test := range tests {
t.Run(fmt.Sprintf("Basename(%#v)", test.Path), func(t *testing.T) {
got, err := Basename(test.Path)
if test.Err {
if err == nil {
t.Fatal("succeeded; want error")
}
return
} else if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !got.RawEquals(test.Want) {
t.Errorf("wrong result\ngot: %#v\nwant: %#v", got, test.Want)
}
})
}
}
func TestDirname(t *testing.T) {
tests := []struct {
Path cty.Value
Want cty.Value
Err bool
}{
{
cty.StringVal("testdata/hello.txt"),
cty.StringVal("testdata"),
false,
},
{
cty.StringVal("testdata/foo/hello.txt"),
cty.StringVal("testdata/foo"),
false,
},
{
cty.StringVal("hello.txt"),
cty.StringVal("."),
false,
},
{
cty.StringVal(""),
cty.StringVal("."),
false,
},
}
for _, test := range tests {
t.Run(fmt.Sprintf("Dirname(%#v)", test.Path), func(t *testing.T) {
got, err := Dirname(test.Path)
if test.Err {
if err == nil {
t.Fatal("succeeded; want error")
}
return
} else if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !got.RawEquals(test.Want) {
t.Errorf("wrong result\ngot: %#v\nwant: %#v", got, test.Want)
}
})
}
}
func TestPathExpand(t *testing.T) {
homePath, err := homedir.Dir()
if err != nil {
t.Fatalf("Error getting home directory: %v", err)
}
tests := []struct {
Path cty.Value
Want cty.Value
Err bool
}{
{
cty.StringVal("~/test-file"),
cty.StringVal(filepath.Join(homePath, "test-file")),
false,
},
{
cty.StringVal("~/another/test/file"),
cty.StringVal(filepath.Join(homePath, "another/test/file")),
false,
},
{
cty.StringVal("/root/file"),
cty.StringVal("/root/file"),
false,
},
{
cty.StringVal("/"),
cty.StringVal("/"),
false,
},
}
for _, test := range tests {
t.Run(fmt.Sprintf("Dirname(%#v)", test.Path), func(t *testing.T) {
got, err := Pathexpand(test.Path)
if test.Err {
if err == nil {
t.Fatal("succeeded; want error")
}
return
} else if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !got.RawEquals(test.Want) {
t.Errorf("wrong result\ngot: %#v\nwant: %#v", got, test.Want)
}
})
}
}