buildx/bake/hcl_test.go

1489 lines
31 KiB
Go

package bake
import (
"reflect"
"testing"
"github.com/stretchr/testify/require"
)
func TestHCLBasic(t *testing.T) {
t.Parallel()
dt := []byte(`
group "default" {
targets = ["db", "webapp"]
}
target "db" {
context = "./db"
tags = ["docker.io/tonistiigi/db"]
}
target "webapp" {
context = "./dir"
dockerfile = "Dockerfile-alternate"
args = {
buildno = "123"
}
}
target "cross" {
platforms = [
"linux/amd64",
"linux/arm64"
]
}
target "webapp-plus" {
inherits = ["webapp", "cross"]
args = {
IAMCROSS = "true"
}
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Groups))
require.Equal(t, "default", c.Groups[0].Name)
require.Equal(t, []string{"db", "webapp"}, c.Groups[0].Targets)
require.Equal(t, 4, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "db")
require.Equal(t, "./db", *c.Targets[0].Context)
require.Equal(t, c.Targets[1].Name, "webapp")
require.Equal(t, 1, len(c.Targets[1].Args))
require.Equal(t, ptrstr("123"), c.Targets[1].Args["buildno"])
require.Equal(t, c.Targets[2].Name, "cross")
require.Equal(t, 2, len(c.Targets[2].Platforms))
require.Equal(t, []string{"linux/amd64", "linux/arm64"}, c.Targets[2].Platforms)
require.Equal(t, c.Targets[3].Name, "webapp-plus")
require.Equal(t, 1, len(c.Targets[3].Args))
require.Equal(t, map[string]*string{"IAMCROSS": ptrstr("true")}, c.Targets[3].Args)
}
func TestHCLBasicInJSON(t *testing.T) {
dt := []byte(`
{
"group": {
"default": {
"targets": ["db", "webapp"]
}
},
"target": {
"db": {
"context": "./db",
"tags": ["docker.io/tonistiigi/db"]
},
"webapp": {
"context": "./dir",
"dockerfile": "Dockerfile-alternate",
"args": {
"buildno": "123"
}
},
"cross": {
"platforms": [
"linux/amd64",
"linux/arm64"
]
},
"webapp-plus": {
"inherits": ["webapp", "cross"],
"args": {
"IAMCROSS": "true"
}
}
}
}
`)
c, err := ParseFile(dt, "docker-bake.json")
require.NoError(t, err)
require.Equal(t, 1, len(c.Groups))
require.Equal(t, "default", c.Groups[0].Name)
require.Equal(t, []string{"db", "webapp"}, c.Groups[0].Targets)
require.Equal(t, 4, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "db")
require.Equal(t, "./db", *c.Targets[0].Context)
require.Equal(t, c.Targets[1].Name, "webapp")
require.Equal(t, 1, len(c.Targets[1].Args))
require.Equal(t, ptrstr("123"), c.Targets[1].Args["buildno"])
require.Equal(t, c.Targets[2].Name, "cross")
require.Equal(t, 2, len(c.Targets[2].Platforms))
require.Equal(t, []string{"linux/amd64", "linux/arm64"}, c.Targets[2].Platforms)
require.Equal(t, c.Targets[3].Name, "webapp-plus")
require.Equal(t, 1, len(c.Targets[3].Args))
require.Equal(t, map[string]*string{"IAMCROSS": ptrstr("true")}, c.Targets[3].Args)
}
func TestHCLWithFunctions(t *testing.T) {
dt := []byte(`
group "default" {
targets = ["webapp"]
}
target "webapp" {
args = {
buildno = "${add(123, 1)}"
}
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Groups))
require.Equal(t, "default", c.Groups[0].Name)
require.Equal(t, []string{"webapp"}, c.Groups[0].Targets)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "webapp")
require.Equal(t, ptrstr("124"), c.Targets[0].Args["buildno"])
}
func TestHCLWithUserDefinedFunctions(t *testing.T) {
dt := []byte(`
function "increment" {
params = [number]
result = number + 1
}
group "default" {
targets = ["webapp"]
}
target "webapp" {
args = {
buildno = "${increment(123)}"
}
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Groups))
require.Equal(t, "default", c.Groups[0].Name)
require.Equal(t, []string{"webapp"}, c.Groups[0].Targets)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "webapp")
require.Equal(t, ptrstr("124"), c.Targets[0].Args["buildno"])
}
func TestHCLWithVariables(t *testing.T) {
dt := []byte(`
variable "BUILD_NUMBER" {
default = "123"
}
group "default" {
targets = ["webapp"]
}
target "webapp" {
args = {
buildno = "${BUILD_NUMBER}"
}
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Groups))
require.Equal(t, "default", c.Groups[0].Name)
require.Equal(t, []string{"webapp"}, c.Groups[0].Targets)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "webapp")
require.Equal(t, ptrstr("123"), c.Targets[0].Args["buildno"])
t.Setenv("BUILD_NUMBER", "456")
c, err = ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Groups))
require.Equal(t, "default", c.Groups[0].Name)
require.Equal(t, []string{"webapp"}, c.Groups[0].Targets)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "webapp")
require.Equal(t, ptrstr("456"), c.Targets[0].Args["buildno"])
}
func TestHCLWithVariablesInFunctions(t *testing.T) {
dt := []byte(`
variable "REPO" {
default = "user/repo"
}
function "tag" {
params = [tag]
result = ["${REPO}:${tag}"]
}
target "webapp" {
tags = tag("v1")
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "webapp")
require.Equal(t, []string{"user/repo:v1"}, c.Targets[0].Tags)
t.Setenv("REPO", "docker/buildx")
c, err = ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "webapp")
require.Equal(t, []string{"docker/buildx:v1"}, c.Targets[0].Tags)
}
func TestHCLMultiFileSharedVariables(t *testing.T) {
dt := []byte(`
variable "FOO" {
default = "abc"
}
target "app" {
args = {
v1 = "pre-${FOO}"
}
}
`)
dt2 := []byte(`
target "app" {
args = {
v2 = "${FOO}-post"
}
}
`)
c, err := ParseFiles([]File{
{Data: dt, Name: "c1.hcl"},
{Data: dt2, Name: "c2.hcl"},
}, nil)
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, ptrstr("pre-abc"), c.Targets[0].Args["v1"])
require.Equal(t, ptrstr("abc-post"), c.Targets[0].Args["v2"])
t.Setenv("FOO", "def")
c, err = ParseFiles([]File{
{Data: dt, Name: "c1.hcl"},
{Data: dt2, Name: "c2.hcl"},
}, nil)
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, ptrstr("pre-def"), c.Targets[0].Args["v1"])
require.Equal(t, ptrstr("def-post"), c.Targets[0].Args["v2"])
}
func TestHCLVarsWithVars(t *testing.T) {
dt := []byte(`
variable "FOO" {
default = upper("${BASE}def")
}
variable "BAR" {
default = "-${FOO}-"
}
target "app" {
args = {
v1 = "pre-${BAR}"
}
}
`)
dt2 := []byte(`
variable "BASE" {
default = "abc"
}
target "app" {
args = {
v2 = "${FOO}-post"
}
}
`)
c, err := ParseFiles([]File{
{Data: dt, Name: "c1.hcl"},
{Data: dt2, Name: "c2.hcl"},
}, nil)
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, ptrstr("pre--ABCDEF-"), c.Targets[0].Args["v1"])
require.Equal(t, ptrstr("ABCDEF-post"), c.Targets[0].Args["v2"])
t.Setenv("BASE", "new")
c, err = ParseFiles([]File{
{Data: dt, Name: "c1.hcl"},
{Data: dt2, Name: "c2.hcl"},
}, nil)
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, ptrstr("pre--NEWDEF-"), c.Targets[0].Args["v1"])
require.Equal(t, ptrstr("NEWDEF-post"), c.Targets[0].Args["v2"])
}
func TestHCLTypedVariables(t *testing.T) {
dt := []byte(`
variable "FOO" {
default = 3
}
variable "IS_FOO" {
default = true
}
target "app" {
args = {
v1 = FOO > 5 ? "higher" : "lower"
v2 = IS_FOO ? "yes" : "no"
}
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, ptrstr("lower"), c.Targets[0].Args["v1"])
require.Equal(t, ptrstr("yes"), c.Targets[0].Args["v2"])
t.Setenv("FOO", "5.1")
t.Setenv("IS_FOO", "0")
c, err = ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, ptrstr("higher"), c.Targets[0].Args["v1"])
require.Equal(t, ptrstr("no"), c.Targets[0].Args["v2"])
t.Setenv("FOO", "NaN")
_, err = ParseFile(dt, "docker-bake.hcl")
require.Error(t, err)
require.Contains(t, err.Error(), "failed to parse FOO as number")
t.Setenv("FOO", "0")
t.Setenv("IS_FOO", "maybe")
_, err = ParseFile(dt, "docker-bake.hcl")
require.Error(t, err)
require.Contains(t, err.Error(), "failed to parse IS_FOO as bool")
}
func TestHCLNullVariables(t *testing.T) {
dt := []byte(`
variable "FOO" {
default = null
}
target "default" {
args = {
foo = FOO
}
}`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, ptrstr(nil), c.Targets[0].Args["foo"])
t.Setenv("FOO", "bar")
c, err = ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, ptrstr("bar"), c.Targets[0].Args["foo"])
}
func TestJSONNullVariables(t *testing.T) {
dt := []byte(`{
"variable": {
"FOO": {
"default": null
}
},
"target": {
"default": {
"args": {
"foo": "${FOO}"
}
}
}
}`)
c, err := ParseFile(dt, "docker-bake.json")
require.NoError(t, err)
require.Equal(t, ptrstr(nil), c.Targets[0].Args["foo"])
t.Setenv("FOO", "bar")
c, err = ParseFile(dt, "docker-bake.json")
require.NoError(t, err)
require.Equal(t, ptrstr("bar"), c.Targets[0].Args["foo"])
}
func TestHCLVariableCycle(t *testing.T) {
dt := []byte(`
variable "FOO" {
default = BAR
}
variable "FOO2" {
default = FOO
}
variable "BAR" {
default = FOO
}
target "app" {}
`)
_, err := ParseFile(dt, "docker-bake.hcl")
require.Error(t, err)
require.Contains(t, err.Error(), "variable cycle not allowed")
}
func TestHCLAttrs(t *testing.T) {
dt := []byte(`
FOO="abc"
BAR="attr-${FOO}def"
target "app" {
args = {
"v1": BAR
}
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, ptrstr("attr-abcdef"), c.Targets[0].Args["v1"])
// env does not apply if no variable
t.Setenv("FOO", "bar")
c, err = ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, ptrstr("attr-abcdef"), c.Targets[0].Args["v1"])
// attr-multifile
}
func TestHCLTargetAttrs(t *testing.T) {
dt := []byte(`
target "foo" {
dockerfile = "xxx"
context = target.bar.context
target = target.foo.dockerfile
}
target "bar" {
dockerfile = target.foo.dockerfile
context = "yyy"
target = target.bar.context
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 2, len(c.Targets))
require.Equal(t, "foo", c.Targets[0].Name)
require.Equal(t, "bar", c.Targets[1].Name)
require.Equal(t, "xxx", *c.Targets[0].Dockerfile)
require.Equal(t, "yyy", *c.Targets[0].Context)
require.Equal(t, "xxx", *c.Targets[0].Target)
require.Equal(t, "xxx", *c.Targets[1].Dockerfile)
require.Equal(t, "yyy", *c.Targets[1].Context)
require.Equal(t, "yyy", *c.Targets[1].Target)
}
func TestHCLTargetGlobal(t *testing.T) {
dt := []byte(`
target "foo" {
dockerfile = "x"
}
x = target.foo.dockerfile
y = x
target "bar" {
dockerfile = y
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 2, len(c.Targets))
require.Equal(t, "foo", c.Targets[0].Name)
require.Equal(t, "bar", c.Targets[1].Name)
require.Equal(t, "x", *c.Targets[0].Dockerfile)
require.Equal(t, "x", *c.Targets[1].Dockerfile)
}
func TestHCLTargetAttrName(t *testing.T) {
dt := []byte(`
target "foo" {
dockerfile = target.foo.name
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, "foo", c.Targets[0].Name)
require.Equal(t, "foo", *c.Targets[0].Dockerfile)
}
func TestHCLTargetAttrEmptyChain(t *testing.T) {
dt := []byte(`
target "foo" {
# dockerfile = Dockerfile
context = target.foo.dockerfile
target = target.foo.context
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, "foo", c.Targets[0].Name)
require.Nil(t, c.Targets[0].Dockerfile)
require.Nil(t, c.Targets[0].Context)
require.Nil(t, c.Targets[0].Target)
}
func TestHCLAttrsCustomType(t *testing.T) {
dt := []byte(`
platforms=["linux/arm64", "linux/amd64"]
target "app" {
platforms = platforms
args = {
"v1": platforms[0]
}
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, []string{"linux/arm64", "linux/amd64"}, c.Targets[0].Platforms)
require.Equal(t, ptrstr("linux/arm64"), c.Targets[0].Args["v1"])
}
func TestHCLMultiFileAttrs(t *testing.T) {
dt := []byte(`
variable "FOO" {
default = "abc"
}
target "app" {
args = {
v1 = "pre-${FOO}"
}
}
`)
dt2 := []byte(`
FOO="def"
`)
c, err := ParseFiles([]File{
{Data: dt, Name: "c1.hcl"},
{Data: dt2, Name: "c2.hcl"},
}, nil)
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, ptrstr("pre-def"), c.Targets[0].Args["v1"])
t.Setenv("FOO", "ghi")
c, err = ParseFiles([]File{
{Data: dt, Name: "c1.hcl"},
{Data: dt2, Name: "c2.hcl"},
}, nil)
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, ptrstr("pre-ghi"), c.Targets[0].Args["v1"])
}
func TestHCLMultiFileGlobalAttrs(t *testing.T) {
dt := []byte(`
FOO = "abc"
target "app" {
args = {
v1 = "pre-${FOO}"
}
}
`)
dt2 := []byte(`
FOO = "def"
`)
c, err := ParseFiles([]File{
{Data: dt, Name: "c1.hcl"},
{Data: dt2, Name: "c2.hcl"},
}, nil)
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, "pre-def", *c.Targets[0].Args["v1"])
}
func TestHCLDuplicateTarget(t *testing.T) {
dt := []byte(`
target "app" {
dockerfile = "x"
}
target "app" {
dockerfile = "y"
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, "app", c.Targets[0].Name)
require.Equal(t, "y", *c.Targets[0].Dockerfile)
}
func TestHCLRenameTarget(t *testing.T) {
dt := []byte(`
target "abc" {
name = "xyz"
dockerfile = "foo"
}
`)
_, err := ParseFile(dt, "docker-bake.hcl")
require.ErrorContains(t, err, "requires matrix")
}
func TestHCLRenameGroup(t *testing.T) {
dt := []byte(`
group "foo" {
name = "bar"
targets = ["x", "y"]
}
`)
_, err := ParseFile(dt, "docker-bake.hcl")
require.ErrorContains(t, err, "not supported")
dt = []byte(`
group "foo" {
matrix = {
name = ["x", "y"]
}
}
`)
_, err = ParseFile(dt, "docker-bake.hcl")
require.ErrorContains(t, err, "not supported")
}
func TestHCLRenameTargetAttrs(t *testing.T) {
dt := []byte(`
target "abc" {
name = "xyz"
matrix = {}
dockerfile = "foo"
}
target "def" {
dockerfile = target.xyz.dockerfile
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 2, len(c.Targets))
require.Equal(t, "xyz", c.Targets[0].Name)
require.Equal(t, "foo", *c.Targets[0].Dockerfile)
require.Equal(t, "def", c.Targets[1].Name)
require.Equal(t, "foo", *c.Targets[1].Dockerfile)
dt = []byte(`
target "def" {
dockerfile = target.xyz.dockerfile
}
target "abc" {
name = "xyz"
matrix = {}
dockerfile = "foo"
}
`)
c, err = ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 2, len(c.Targets))
require.Equal(t, "def", c.Targets[0].Name)
require.Equal(t, "foo", *c.Targets[0].Dockerfile)
require.Equal(t, "xyz", c.Targets[1].Name)
require.Equal(t, "foo", *c.Targets[1].Dockerfile)
dt = []byte(`
target "abc" {
name = "xyz"
matrix = {}
dockerfile = "foo"
}
target "def" {
dockerfile = target.abc.dockerfile
}
`)
_, err = ParseFile(dt, "docker-bake.hcl")
require.ErrorContains(t, err, "abc")
dt = []byte(`
target "def" {
dockerfile = target.abc.dockerfile
}
target "abc" {
name = "xyz"
matrix = {}
dockerfile = "foo"
}
`)
_, err = ParseFile(dt, "docker-bake.hcl")
require.ErrorContains(t, err, "abc")
}
func TestHCLRenameSplit(t *testing.T) {
dt := []byte(`
target "x" {
name = "y"
matrix = {}
dockerfile = "foo"
}
target "x" {
name = "z"
matrix = {}
dockerfile = "bar"
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 2, len(c.Targets))
require.Equal(t, "y", c.Targets[0].Name)
require.Equal(t, "foo", *c.Targets[0].Dockerfile)
require.Equal(t, "z", c.Targets[1].Name)
require.Equal(t, "bar", *c.Targets[1].Dockerfile)
require.Equal(t, 1, len(c.Groups))
require.Equal(t, "x", c.Groups[0].Name)
require.Equal(t, []string{"y", "z"}, c.Groups[0].Targets)
}
func TestHCLRenameMultiFile(t *testing.T) {
dt := []byte(`
target "foo" {
name = "bar"
matrix = {}
dockerfile = "x"
}
`)
dt2 := []byte(`
target "foo" {
context = "y"
}
`)
dt3 := []byte(`
target "bar" {
target = "z"
}
`)
c, err := ParseFiles([]File{
{Data: dt, Name: "c1.hcl"},
{Data: dt2, Name: "c2.hcl"},
{Data: dt3, Name: "c3.hcl"},
}, nil)
require.NoError(t, err)
require.Equal(t, 2, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "bar")
require.Equal(t, *c.Targets[0].Dockerfile, "x")
require.Equal(t, *c.Targets[0].Target, "z")
require.Equal(t, c.Targets[1].Name, "foo")
require.Equal(t, *c.Targets[1].Context, "y")
}
func TestHCLMatrixBasic(t *testing.T) {
dt := []byte(`
target "default" {
matrix = {
foo = ["x", "y"]
}
name = foo
dockerfile = "${foo}.Dockerfile"
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 2, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "x")
require.Equal(t, c.Targets[1].Name, "y")
require.Equal(t, *c.Targets[0].Dockerfile, "x.Dockerfile")
require.Equal(t, *c.Targets[1].Dockerfile, "y.Dockerfile")
require.Equal(t, 1, len(c.Groups))
require.Equal(t, "default", c.Groups[0].Name)
require.Equal(t, []string{"x", "y"}, c.Groups[0].Targets)
}
func TestHCLMatrixMultipleKeys(t *testing.T) {
dt := []byte(`
target "default" {
matrix = {
foo = ["a"]
bar = ["b", "c"]
baz = ["d", "e", "f"]
}
name = "${foo}-${bar}-${baz}"
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 6, len(c.Targets))
names := make([]string, len(c.Targets))
for i, t := range c.Targets {
names[i] = t.Name
}
require.ElementsMatch(t, []string{"a-b-d", "a-b-e", "a-b-f", "a-c-d", "a-c-e", "a-c-f"}, names)
require.Equal(t, 1, len(c.Groups))
require.Equal(t, "default", c.Groups[0].Name)
require.ElementsMatch(t, []string{"a-b-d", "a-b-e", "a-b-f", "a-c-d", "a-c-e", "a-c-f"}, c.Groups[0].Targets)
}
func TestHCLMatrixLists(t *testing.T) {
dt := []byte(`
target "foo" {
matrix = {
aa = [["aa", "bb"], ["cc", "dd"]]
}
name = aa[0]
args = {
target = "val${aa[1]}"
}
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 2, len(c.Targets))
require.Equal(t, "aa", c.Targets[0].Name)
require.Equal(t, ptrstr("valbb"), c.Targets[0].Args["target"])
require.Equal(t, "cc", c.Targets[1].Name)
require.Equal(t, ptrstr("valdd"), c.Targets[1].Args["target"])
}
func TestHCLMatrixMaps(t *testing.T) {
dt := []byte(`
target "foo" {
matrix = {
aa = [
{
foo = "aa"
bar = "bb"
},
{
foo = "cc"
bar = "dd"
}
]
}
name = aa.foo
args = {
target = "val${aa.bar}"
}
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 2, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "aa")
require.Equal(t, c.Targets[0].Args["target"], ptrstr("valbb"))
require.Equal(t, c.Targets[1].Name, "cc")
require.Equal(t, c.Targets[1].Args["target"], ptrstr("valdd"))
}
func TestHCLMatrixMultipleTargets(t *testing.T) {
dt := []byte(`
target "x" {
matrix = {
foo = ["a", "b"]
}
name = foo
}
target "y" {
matrix = {
bar = ["c", "d"]
}
name = bar
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 4, len(c.Targets))
names := make([]string, len(c.Targets))
for i, t := range c.Targets {
names[i] = t.Name
}
require.ElementsMatch(t, []string{"a", "b", "c", "d"}, names)
require.Equal(t, 2, len(c.Groups))
names = make([]string, len(c.Groups))
for i, c := range c.Groups {
names[i] = c.Name
}
require.ElementsMatch(t, []string{"x", "y"}, names)
for _, g := range c.Groups {
switch g.Name {
case "x":
require.Equal(t, []string{"a", "b"}, g.Targets)
case "y":
require.Equal(t, []string{"c", "d"}, g.Targets)
}
}
}
func TestHCLMatrixDuplicateNames(t *testing.T) {
dt := []byte(`
target "default" {
matrix = {
foo = ["a", "b"]
}
name = "c"
}
`)
_, err := ParseFile(dt, "docker-bake.hcl")
require.Error(t, err)
}
func TestHCLMatrixArgs(t *testing.T) {
dt := []byte(`
a = 1
variable "b" {
default = 2
}
target "default" {
matrix = {
foo = [a, b]
}
name = foo
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 2, len(c.Targets))
require.Equal(t, "1", c.Targets[0].Name)
require.Equal(t, "2", c.Targets[1].Name)
}
func TestHCLMatrixArgsOverride(t *testing.T) {
dt := []byte(`
variable "ABC" {
default = "def"
}
target "bar" {
matrix = {
aa = split(",", ABC)
}
name = "bar-${aa}"
args = {
foo = aa
}
}
`)
c, err := ParseFiles([]File{
{Data: dt, Name: "docker-bake.hcl"},
}, map[string]string{"ABC": "11,22,33"})
require.NoError(t, err)
require.Equal(t, 3, len(c.Targets))
require.Equal(t, "bar-11", c.Targets[0].Name)
require.Equal(t, "bar-22", c.Targets[1].Name)
require.Equal(t, "bar-33", c.Targets[2].Name)
require.Equal(t, ptrstr("11"), c.Targets[0].Args["foo"])
require.Equal(t, ptrstr("22"), c.Targets[1].Args["foo"])
require.Equal(t, ptrstr("33"), c.Targets[2].Args["foo"])
}
func TestHCLMatrixBadTypes(t *testing.T) {
dt := []byte(`
target "default" {
matrix = "test"
}
`)
_, err := ParseFile(dt, "docker-bake.hcl")
require.Error(t, err)
dt = []byte(`
target "default" {
matrix = ["test"]
}
`)
_, err = ParseFile(dt, "docker-bake.hcl")
require.Error(t, err)
dt = []byte(`
target "default" {
matrix = {
["a"] = ["b"]
}
}
`)
_, err = ParseFile(dt, "docker-bake.hcl")
require.Error(t, err)
dt = []byte(`
target "default" {
matrix = {
1 = 2
}
}
`)
_, err = ParseFile(dt, "docker-bake.hcl")
require.Error(t, err)
dt = []byte(`
target "default" {
matrix = {
a = "b"
}
}
`)
_, err = ParseFile(dt, "docker-bake.hcl")
require.Error(t, err)
}
func TestHCLMatrixWithGlobalTarget(t *testing.T) {
dt := []byte(`
target "x" {
tags = ["a", "b"]
}
target "default" {
tags = target.x.tags
matrix = {
dummy = [""]
}
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 2, len(c.Targets))
require.Equal(t, "x", c.Targets[0].Name)
require.Equal(t, "default", c.Targets[1].Name)
require.Equal(t, []string{"a", "b"}, c.Targets[1].Tags)
}
func TestJSONAttributes(t *testing.T) {
dt := []byte(`{"FOO": "abc", "variable": {"BAR": {"default": "def"}}, "target": { "app": { "args": {"v1": "pre-${FOO}-${BAR}"}} } }`)
c, err := ParseFile(dt, "docker-bake.json")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, ptrstr("pre-abc-def"), c.Targets[0].Args["v1"])
}
func TestJSONFunctions(t *testing.T) {
dt := []byte(`{
"FOO": "abc",
"function": {
"myfunc": {
"params": ["inp"],
"result": "<${upper(inp)}-${FOO}>"
}
},
"target": {
"app": {
"args": {
"v1": "pre-${myfunc(\"foo\")}"
}
}
}}`)
c, err := ParseFile(dt, "docker-bake.json")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, ptrstr("pre-<FOO-abc>"), c.Targets[0].Args["v1"])
}
func TestJSONInvalidFunctions(t *testing.T) {
dt := []byte(`{
"target": {
"app": {
"args": {
"v1": "myfunc(\"foo\")"
}
}
}}`)
c, err := ParseFile(dt, "docker-bake.json")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, ptrstr(`myfunc("foo")`), c.Targets[0].Args["v1"])
}
func TestHCLFunctionInAttr(t *testing.T) {
dt := []byte(`
function "brace" {
params = [inp]
result = "[${inp}]"
}
function "myupper" {
params = [val]
result = "${upper(val)} <> ${brace(v2)}"
}
v1=myupper("foo")
v2=lower("BAZ")
target "app" {
args = {
"v1": v1
}
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, ptrstr("FOO <> [baz]"), c.Targets[0].Args["v1"])
}
func TestHCLCombineCompose(t *testing.T) {
dt := []byte(`
target "app" {
context = "dir"
args = {
v1 = "foo"
}
}
`)
dt2 := []byte(`
version: "3"
services:
app:
build:
dockerfile: Dockerfile-alternate
args:
v2: "bar"
`)
c, err := ParseFiles([]File{
{Data: dt, Name: "c1.hcl"},
{Data: dt2, Name: "c2.yml"},
}, nil)
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, ptrstr("foo"), c.Targets[0].Args["v1"])
require.Equal(t, ptrstr("bar"), c.Targets[0].Args["v2"])
require.Equal(t, "dir", *c.Targets[0].Context)
require.Equal(t, "Dockerfile-alternate", *c.Targets[0].Dockerfile)
}
func TestHCLBuiltinVars(t *testing.T) {
dt := []byte(`
target "app" {
context = BAKE_CMD_CONTEXT
dockerfile = "test"
}
`)
c, err := ParseFiles([]File{
{Data: dt, Name: "c1.hcl"},
}, map[string]string{
"BAKE_CMD_CONTEXT": "foo",
})
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "app")
require.Equal(t, "foo", *c.Targets[0].Context)
require.Equal(t, "test", *c.Targets[0].Dockerfile)
}
func TestCombineHCLAndJSONTargets(t *testing.T) {
c, err := ParseFiles([]File{
{
Name: "docker-bake.hcl",
Data: []byte(`
group "default" {
targets = ["a"]
}
target "metadata-a" {}
target "metadata-b" {}
target "a" {
inherits = ["metadata-a"]
context = "."
target = "a"
}
target "b" {
inherits = ["metadata-b"]
context = "."
target = "b"
}`),
},
{
Name: "metadata-a.json",
Data: []byte(`
{
"target": [{
"metadata-a": [{
"tags": [
"app/a:1.0.0",
"app/a:latest"
]
}]
}]
}`),
},
{
Name: "metadata-b.json",
Data: []byte(`
{
"target": [{
"metadata-b": [{
"tags": [
"app/b:1.0.0",
"app/b:latest"
]
}]
}]
}`),
},
}, nil)
require.NoError(t, err)
require.Equal(t, 1, len(c.Groups))
require.Equal(t, "default", c.Groups[0].Name)
require.Equal(t, []string{"a"}, c.Groups[0].Targets)
require.Equal(t, 4, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "metadata-a")
require.Equal(t, []string{"app/a:1.0.0", "app/a:latest"}, c.Targets[0].Tags)
require.Equal(t, c.Targets[1].Name, "metadata-b")
require.Equal(t, []string{"app/b:1.0.0", "app/b:latest"}, c.Targets[1].Tags)
require.Equal(t, c.Targets[2].Name, "a")
require.Equal(t, ".", *c.Targets[2].Context)
require.Equal(t, "a", *c.Targets[2].Target)
require.Equal(t, c.Targets[3].Name, "b")
require.Equal(t, ".", *c.Targets[3].Context)
require.Equal(t, "b", *c.Targets[3].Target)
}
func TestCombineHCLAndJSONVars(t *testing.T) {
c, err := ParseFiles([]File{
{
Name: "docker-bake.hcl",
Data: []byte(`
variable "ABC" {
default = "foo"
}
variable "DEF" {
default = ""
}
group "default" {
targets = ["one"]
}
target "one" {
args = {
a = "pre-${ABC}"
}
}
target "two" {
args = {
b = "pre-${DEF}"
}
}`),
},
{
Name: "foo.json",
Data: []byte(`{"variable": {"DEF": {"default": "bar"}}, "target": { "one": { "args": {"a": "pre-${ABC}-${DEF}"}} } }`),
},
{
Name: "bar.json",
Data: []byte(`{"ABC": "ghi", "DEF": "jkl"}`),
},
}, nil)
require.NoError(t, err)
require.Equal(t, 1, len(c.Groups))
require.Equal(t, "default", c.Groups[0].Name)
require.Equal(t, []string{"one"}, c.Groups[0].Targets)
require.Equal(t, 2, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "one")
require.Equal(t, map[string]*string{"a": ptrstr("pre-ghi-jkl")}, c.Targets[0].Args)
require.Equal(t, c.Targets[1].Name, "two")
require.Equal(t, map[string]*string{"b": ptrstr("pre-jkl")}, c.Targets[1].Args)
}
func TestEmptyVariableJSON(t *testing.T) {
dt := []byte(`{
"variable": {
"VAR": {}
}
}`)
_, err := ParseFile(dt, "docker-bake.json")
require.NoError(t, err)
}
func TestFunctionNoParams(t *testing.T) {
dt := []byte(`
function "foo" {
result = "bar"
}
target "foo_target" {
args = {
test = foo()
}
}
`)
_, err := ParseFile(dt, "docker-bake.hcl")
require.Error(t, err)
}
func TestFunctionNoResult(t *testing.T) {
dt := []byte(`
function "foo" {
params = ["a"]
}
`)
_, err := ParseFile(dt, "docker-bake.hcl")
require.Error(t, err)
}
func TestVarUnsupportedType(t *testing.T) {
dt := []byte(`
variable "FOO" {
default = []
}
target "default" {}`)
t.Setenv("FOO", "bar")
_, err := ParseFile(dt, "docker-bake.hcl")
require.Error(t, err)
}
func TestHCLIndexOfFunc(t *testing.T) {
dt := []byte(`
variable "APP_VERSIONS" {
default = [
"1.42.4",
"1.42.3"
]
}
target "default" {
args = {
APP_VERSION = app_version
}
matrix = {
app_version = APP_VERSIONS
}
name="app-${replace(app_version, ".", "-")}"
tags = [
"app:${app_version}",
indexof(APP_VERSIONS, app_version) == 0 ? "app:latest" : "",
]
}
`)
c, err := ParseFile(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 2, len(c.Targets))
require.Equal(t, "app-1-42-4", c.Targets[0].Name)
require.Equal(t, "app:latest", c.Targets[0].Tags[1])
require.Equal(t, "app-1-42-3", c.Targets[1].Name)
require.Empty(t, c.Targets[1].Tags[1])
}
func ptrstr(s interface{}) *string {
var n *string
if reflect.ValueOf(s).Kind() == reflect.String {
ss := s.(string)
n = &ss
}
return n
}