867 lines
15 KiB
Go
867 lines
15 KiB
Go
package config
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import (
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"fmt"
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"io/ioutil"
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"os"
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"reflect"
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"testing"
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"github.com/hashicorp/terraform/config/lang"
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"github.com/hashicorp/terraform/config/lang/ast"
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)
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func TestInterpolateFuncCompact(t *testing.T) {
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testFunction(t, testFunctionConfig{
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Cases: []testFunctionCase{
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// empty string within array
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{
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`${compact(split(",", "a,,b"))}`,
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NewStringList([]string{"a", "b"}).String(),
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false,
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},
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// empty string at the end of array
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{
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`${compact(split(",", "a,b,"))}`,
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NewStringList([]string{"a", "b"}).String(),
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false,
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},
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// single empty string
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{
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`${compact(split(",", ""))}`,
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NewStringList([]string{}).String(),
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false,
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},
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},
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})
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}
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func TestInterpolateFuncCidrHost(t *testing.T) {
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testFunction(t, testFunctionConfig{
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Cases: []testFunctionCase{
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{
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`${cidrhost("192.168.1.0/24", 5)}`,
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"192.168.1.5",
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false,
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},
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{
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`${cidrhost("192.168.1.0/30", 255)}`,
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nil,
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true, // 255 doesn't fit in two bits
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},
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{
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`${cidrhost("not-a-cidr", 6)}`,
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nil,
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true, // not a valid CIDR mask
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},
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{
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`${cidrhost("10.256.0.0/8", 6)}`,
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nil,
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true, // can't have an octet >255
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},
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},
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})
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}
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func TestInterpolateFuncCidrNetmask(t *testing.T) {
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testFunction(t, testFunctionConfig{
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Cases: []testFunctionCase{
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{
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`${cidrnetmask("192.168.1.0/24")}`,
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"255.255.255.0",
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false,
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},
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{
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`${cidrnetmask("192.168.1.0/32")}`,
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"255.255.255.255",
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false,
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},
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{
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`${cidrnetmask("0.0.0.0/0")}`,
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"0.0.0.0",
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false,
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},
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{
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// This doesn't really make sense for IPv6 networks
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// but it ought to do something sensible anyway.
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`${cidrnetmask("1::/64")}`,
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"ffff:ffff:ffff:ffff::",
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false,
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},
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{
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`${cidrnetmask("not-a-cidr")}`,
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nil,
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true, // not a valid CIDR mask
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},
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{
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`${cidrnetmask("10.256.0.0/8")}`,
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nil,
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true, // can't have an octet >255
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},
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},
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})
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}
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func TestInterpolateFuncCidrSubnet(t *testing.T) {
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testFunction(t, testFunctionConfig{
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Cases: []testFunctionCase{
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{
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`${cidrsubnet("192.168.2.0/20", 4, 6)}`,
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"192.168.6.0/24",
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false,
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},
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{
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`${cidrsubnet("fe80::/48", 16, 6)}`,
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"fe80:0:0:6::/64",
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false,
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},
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{
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// IPv4 address encoded in IPv6 syntax gets normalized
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`${cidrsubnet("::ffff:192.168.0.0/112", 8, 6)}`,
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"192.168.6.0/24",
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false,
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},
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{
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`${cidrsubnet("192.168.0.0/30", 4, 6)}`,
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nil,
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true, // not enough bits left
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},
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{
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`${cidrsubnet("192.168.0.0/16", 2, 16)}`,
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nil,
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true, // can't encode 16 in 2 bits
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},
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{
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`${cidrsubnet("not-a-cidr", 4, 6)}`,
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nil,
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true, // not a valid CIDR mask
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},
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{
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`${cidrsubnet("10.256.0.0/8", 4, 6)}`,
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nil,
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true, // can't have an octet >255
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},
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},
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})
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}
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func TestInterpolateFuncCoalesce(t *testing.T) {
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testFunction(t, testFunctionConfig{
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Cases: []testFunctionCase{
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{
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`${coalesce("first", "second", "third")}`,
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"first",
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false,
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},
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{
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`${coalesce("", "second", "third")}`,
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"second",
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false,
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},
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{
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`${coalesce("", "", "")}`,
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"",
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false,
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},
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{
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`${coalesce("foo")}`,
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nil,
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true,
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},
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},
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})
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}
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func TestInterpolateFuncDeprecatedConcat(t *testing.T) {
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testFunction(t, testFunctionConfig{
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Cases: []testFunctionCase{
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{
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`${concat("foo", "bar")}`,
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"foobar",
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false,
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},
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{
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`${concat("foo")}`,
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"foo",
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false,
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},
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{
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`${concat()}`,
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nil,
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true,
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},
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},
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})
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}
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func TestInterpolateFuncConcat(t *testing.T) {
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testFunction(t, testFunctionConfig{
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Cases: []testFunctionCase{
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// String + list
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{
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`${concat("a", split(",", "b,c"))}`,
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NewStringList([]string{"a", "b", "c"}).String(),
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false,
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},
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// List + string
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{
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`${concat(split(",", "a,b"), "c")}`,
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NewStringList([]string{"a", "b", "c"}).String(),
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false,
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},
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// Single list
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{
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`${concat(split(",", ",foo,"))}`,
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NewStringList([]string{"", "foo", ""}).String(),
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false,
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},
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{
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`${concat(split(",", "a,b,c"))}`,
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NewStringList([]string{"a", "b", "c"}).String(),
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false,
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},
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// Two lists
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{
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`${concat(split(",", "a,b,c"), split(",", "d,e"))}`,
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NewStringList([]string{"a", "b", "c", "d", "e"}).String(),
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false,
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},
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// Two lists with different separators
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{
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`${concat(split(",", "a,b,c"), split(" ", "d e"))}`,
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NewStringList([]string{"a", "b", "c", "d", "e"}).String(),
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false,
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},
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// More lists
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{
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`${concat(split(",", "a,b"), split(",", "c,d"), split(",", "e,f"), split(",", "0,1"))}`,
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NewStringList([]string{"a", "b", "c", "d", "e", "f", "0", "1"}).String(),
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false,
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},
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},
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})
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}
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func TestInterpolateFuncFile(t *testing.T) {
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tf, err := ioutil.TempFile("", "tf")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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path := tf.Name()
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tf.Write([]byte("foo"))
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tf.Close()
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defer os.Remove(path)
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testFunction(t, testFunctionConfig{
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Cases: []testFunctionCase{
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{
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fmt.Sprintf(`${file("%s")}`, path),
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"foo",
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false,
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},
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// Invalid path
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{
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`${file("/i/dont/exist")}`,
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nil,
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true,
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},
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// Too many args
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{
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`${file("foo", "bar")}`,
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nil,
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true,
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},
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},
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})
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}
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func TestInterpolateFuncFormat(t *testing.T) {
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testFunction(t, testFunctionConfig{
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Cases: []testFunctionCase{
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{
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`${format("hello")}`,
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"hello",
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false,
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},
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{
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`${format("hello %s", "world")}`,
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"hello world",
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false,
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},
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{
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`${format("hello %d", 42)}`,
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"hello 42",
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false,
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},
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{
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`${format("hello %05d", 42)}`,
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"hello 00042",
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false,
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},
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{
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`${format("hello %05d", 12345)}`,
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"hello 12345",
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false,
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},
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},
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})
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}
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func TestInterpolateFuncFormatList(t *testing.T) {
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testFunction(t, testFunctionConfig{
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Cases: []testFunctionCase{
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// formatlist requires at least one list
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{
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`${formatlist("hello")}`,
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nil,
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true,
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},
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{
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`${formatlist("hello %s", "world")}`,
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nil,
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true,
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},
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// formatlist applies to each list element in turn
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{
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`${formatlist("<%s>", split(",", "A,B"))}`,
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NewStringList([]string{"<A>", "<B>"}).String(),
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false,
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},
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// formatlist repeats scalar elements
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{
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`${join(", ", formatlist("%s=%s", "x", split(",", "A,B,C")))}`,
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"x=A, x=B, x=C",
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false,
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},
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// Multiple lists are walked in parallel
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{
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`${join(", ", formatlist("%s=%s", split(",", "A,B,C"), split(",", "1,2,3")))}`,
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"A=1, B=2, C=3",
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false,
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},
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// Mismatched list lengths generate an error
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{
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`${formatlist("%s=%2s", split(",", "A,B,C,D"), split(",", "1,2,3"))}`,
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nil,
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true,
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},
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// Works with lists of length 1 [GH-2240]
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{
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`${formatlist("%s.id", split(",", "demo-rest-elb"))}`,
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NewStringList([]string{"demo-rest-elb.id"}).String(),
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false,
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},
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},
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})
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}
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func TestInterpolateFuncIndex(t *testing.T) {
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testFunction(t, testFunctionConfig{
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Cases: []testFunctionCase{
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{
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`${index("test", "")}`,
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nil,
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true,
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},
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{
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fmt.Sprintf(`${index("%s", "foo")}`,
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NewStringList([]string{"notfoo", "stillnotfoo", "bar"}).String()),
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nil,
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true,
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},
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{
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fmt.Sprintf(`${index("%s", "foo")}`,
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NewStringList([]string{"foo"}).String()),
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"0",
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false,
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},
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{
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fmt.Sprintf(`${index("%s", "bar")}`,
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NewStringList([]string{"foo", "spam", "bar", "eggs"}).String()),
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"2",
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false,
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},
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},
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})
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}
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func TestInterpolateFuncJoin(t *testing.T) {
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testFunction(t, testFunctionConfig{
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Cases: []testFunctionCase{
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{
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`${join(",")}`,
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nil,
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true,
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},
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{
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fmt.Sprintf(`${join(",", "%s")}`,
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NewStringList([]string{"foo"}).String()),
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"foo",
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false,
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},
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/*
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TODO
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{
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`${join(",", "foo", "bar")}`,
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"foo,bar",
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false,
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},
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*/
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{
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fmt.Sprintf(`${join(".", "%s")}`,
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NewStringList([]string{"foo", "bar", "baz"}).String()),
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"foo.bar.baz",
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false,
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},
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},
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})
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}
|
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|
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func TestInterpolateFuncReplace(t *testing.T) {
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testFunction(t, testFunctionConfig{
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Cases: []testFunctionCase{
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// Regular search and replace
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{
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`${replace("hello", "hel", "bel")}`,
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"bello",
|
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false,
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},
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// Search string doesn't match
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{
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`${replace("hello", "nope", "bel")}`,
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"hello",
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false,
|
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},
|
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|
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// Regular expression
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{
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`${replace("hello", "/l/", "L")}`,
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"heLLo",
|
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false,
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},
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{
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`${replace("helo", "/(l)/", "$1$1")}`,
|
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"hello",
|
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false,
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},
|
|
|
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// Bad regexp
|
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{
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`${replace("helo", "/(l/", "$1$1")}`,
|
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nil,
|
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true,
|
|
},
|
|
},
|
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})
|
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}
|
|
|
|
func TestInterpolateFuncLength(t *testing.T) {
|
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testFunction(t, testFunctionConfig{
|
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Cases: []testFunctionCase{
|
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// Raw strings
|
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{
|
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`${length("")}`,
|
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"0",
|
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false,
|
|
},
|
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{
|
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`${length("a")}`,
|
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"1",
|
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false,
|
|
},
|
|
{
|
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`${length(" ")}`,
|
|
"1",
|
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false,
|
|
},
|
|
{
|
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`${length(" a ,")}`,
|
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"4",
|
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false,
|
|
},
|
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{
|
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`${length("aaa")}`,
|
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"3",
|
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false,
|
|
},
|
|
|
|
// Lists
|
|
{
|
|
`${length(split(",", "a"))}`,
|
|
"1",
|
|
false,
|
|
},
|
|
{
|
|
`${length(split(",", "foo,"))}`,
|
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"2",
|
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false,
|
|
},
|
|
{
|
|
`${length(split(",", ",foo,"))}`,
|
|
"3",
|
|
false,
|
|
},
|
|
{
|
|
`${length(split(",", "foo,bar"))}`,
|
|
"2",
|
|
false,
|
|
},
|
|
{
|
|
`${length(split(".", "one.two.three.four.five"))}`,
|
|
"5",
|
|
false,
|
|
},
|
|
// Want length 0 if we split an empty string then compact
|
|
{
|
|
`${length(compact(split(",", "")))}`,
|
|
"0",
|
|
false,
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
func TestInterpolateFuncSplit(t *testing.T) {
|
|
testFunction(t, testFunctionConfig{
|
|
Cases: []testFunctionCase{
|
|
{
|
|
`${split(",")}`,
|
|
nil,
|
|
true,
|
|
},
|
|
|
|
{
|
|
`${split(",", "")}`,
|
|
NewStringList([]string{""}).String(),
|
|
false,
|
|
},
|
|
|
|
{
|
|
`${split(",", "foo")}`,
|
|
NewStringList([]string{"foo"}).String(),
|
|
false,
|
|
},
|
|
|
|
{
|
|
`${split(",", ",,,")}`,
|
|
NewStringList([]string{"", "", "", ""}).String(),
|
|
false,
|
|
},
|
|
|
|
{
|
|
`${split(",", "foo,")}`,
|
|
NewStringList([]string{"foo", ""}).String(),
|
|
false,
|
|
},
|
|
|
|
{
|
|
`${split(",", ",foo,")}`,
|
|
NewStringList([]string{"", "foo", ""}).String(),
|
|
false,
|
|
},
|
|
|
|
{
|
|
`${split(".", "foo.bar.baz")}`,
|
|
NewStringList([]string{"foo", "bar", "baz"}).String(),
|
|
false,
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
func TestInterpolateFuncLookup(t *testing.T) {
|
|
testFunction(t, testFunctionConfig{
|
|
Vars: map[string]ast.Variable{
|
|
"var.foo.bar": ast.Variable{
|
|
Value: "baz",
|
|
Type: ast.TypeString,
|
|
},
|
|
},
|
|
Cases: []testFunctionCase{
|
|
{
|
|
`${lookup("foo", "bar")}`,
|
|
"baz",
|
|
false,
|
|
},
|
|
|
|
// Invalid key
|
|
{
|
|
`${lookup("foo", "baz")}`,
|
|
nil,
|
|
true,
|
|
},
|
|
|
|
// Too many args
|
|
{
|
|
`${lookup("foo", "bar", "baz")}`,
|
|
nil,
|
|
true,
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
func TestInterpolateFuncKeys(t *testing.T) {
|
|
testFunction(t, testFunctionConfig{
|
|
Vars: map[string]ast.Variable{
|
|
"var.foo.bar": ast.Variable{
|
|
Value: "baz",
|
|
Type: ast.TypeString,
|
|
},
|
|
"var.foo.qux": ast.Variable{
|
|
Value: "quack",
|
|
Type: ast.TypeString,
|
|
},
|
|
"var.str": ast.Variable{
|
|
Value: "astring",
|
|
Type: ast.TypeString,
|
|
},
|
|
},
|
|
Cases: []testFunctionCase{
|
|
{
|
|
`${keys("foo")}`,
|
|
NewStringList([]string{"bar", "qux"}).String(),
|
|
false,
|
|
},
|
|
|
|
// Invalid key
|
|
{
|
|
`${keys("not")}`,
|
|
nil,
|
|
true,
|
|
},
|
|
|
|
// Too many args
|
|
{
|
|
`${keys("foo", "bar")}`,
|
|
nil,
|
|
true,
|
|
},
|
|
|
|
// Not a map
|
|
{
|
|
`${keys("str")}`,
|
|
nil,
|
|
true,
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
func TestInterpolateFuncValues(t *testing.T) {
|
|
testFunction(t, testFunctionConfig{
|
|
Vars: map[string]ast.Variable{
|
|
"var.foo.bar": ast.Variable{
|
|
Value: "quack",
|
|
Type: ast.TypeString,
|
|
},
|
|
"var.foo.qux": ast.Variable{
|
|
Value: "baz",
|
|
Type: ast.TypeString,
|
|
},
|
|
"var.str": ast.Variable{
|
|
Value: "astring",
|
|
Type: ast.TypeString,
|
|
},
|
|
},
|
|
Cases: []testFunctionCase{
|
|
{
|
|
`${values("foo")}`,
|
|
NewStringList([]string{"quack", "baz"}).String(),
|
|
false,
|
|
},
|
|
|
|
// Invalid key
|
|
{
|
|
`${values("not")}`,
|
|
nil,
|
|
true,
|
|
},
|
|
|
|
// Too many args
|
|
{
|
|
`${values("foo", "bar")}`,
|
|
nil,
|
|
true,
|
|
},
|
|
|
|
// Not a map
|
|
{
|
|
`${values("str")}`,
|
|
nil,
|
|
true,
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
func TestInterpolateFuncElement(t *testing.T) {
|
|
testFunction(t, testFunctionConfig{
|
|
Cases: []testFunctionCase{
|
|
{
|
|
fmt.Sprintf(`${element("%s", "1")}`,
|
|
NewStringList([]string{"foo", "baz"}).String()),
|
|
"baz",
|
|
false,
|
|
},
|
|
|
|
{
|
|
fmt.Sprintf(`${element("%s", "0")}`,
|
|
NewStringList([]string{"foo"}).String()),
|
|
"foo",
|
|
false,
|
|
},
|
|
|
|
// Invalid index should wrap vs. out-of-bounds
|
|
{
|
|
fmt.Sprintf(`${element("%s", "2")}`,
|
|
NewStringList([]string{"foo", "baz"}).String()),
|
|
"foo",
|
|
false,
|
|
},
|
|
|
|
// Too many args
|
|
{
|
|
fmt.Sprintf(`${element("%s", "0", "2")}`,
|
|
NewStringList([]string{"foo", "baz"}).String()),
|
|
nil,
|
|
true,
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
func TestInterpolateFuncBase64Encode(t *testing.T) {
|
|
testFunction(t, testFunctionConfig{
|
|
Cases: []testFunctionCase{
|
|
// Regular base64 encoding
|
|
{
|
|
`${base64encode("abc123!?$*&()'-=@~")}`,
|
|
"YWJjMTIzIT8kKiYoKSctPUB+",
|
|
false,
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
func TestInterpolateFuncBase64Decode(t *testing.T) {
|
|
testFunction(t, testFunctionConfig{
|
|
Cases: []testFunctionCase{
|
|
// Regular base64 decoding
|
|
{
|
|
`${base64decode("YWJjMTIzIT8kKiYoKSctPUB+")}`,
|
|
"abc123!?$*&()'-=@~",
|
|
false,
|
|
},
|
|
|
|
// Invalid base64 data decoding
|
|
{
|
|
`${base64decode("this-is-an-invalid-base64-data")}`,
|
|
nil,
|
|
true,
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
func TestInterpolateFuncLower(t *testing.T) {
|
|
testFunction(t, testFunctionConfig{
|
|
Cases: []testFunctionCase{
|
|
{
|
|
`${lower("HELLO")}`,
|
|
"hello",
|
|
false,
|
|
},
|
|
|
|
{
|
|
`${lower("")}`,
|
|
"",
|
|
false,
|
|
},
|
|
|
|
{
|
|
`${lower()}`,
|
|
nil,
|
|
true,
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
func TestInterpolateFuncUpper(t *testing.T) {
|
|
testFunction(t, testFunctionConfig{
|
|
Cases: []testFunctionCase{
|
|
{
|
|
`${upper("hello")}`,
|
|
"HELLO",
|
|
false,
|
|
},
|
|
|
|
{
|
|
`${upper("")}`,
|
|
"",
|
|
false,
|
|
},
|
|
|
|
{
|
|
`${upper()}`,
|
|
nil,
|
|
true,
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
type testFunctionConfig struct {
|
|
Cases []testFunctionCase
|
|
Vars map[string]ast.Variable
|
|
}
|
|
|
|
type testFunctionCase struct {
|
|
Input string
|
|
Result interface{}
|
|
Error bool
|
|
}
|
|
|
|
func testFunction(t *testing.T, config testFunctionConfig) {
|
|
for i, tc := range config.Cases {
|
|
ast, err := lang.Parse(tc.Input)
|
|
if err != nil {
|
|
t.Fatalf("Case #%d: input: %#v\nerr: %s", i, tc.Input, err)
|
|
}
|
|
|
|
out, _, err := lang.Eval(ast, langEvalConfig(config.Vars))
|
|
if err != nil != tc.Error {
|
|
t.Fatalf("Case #%d:\ninput: %#v\nerr: %s", i, tc.Input, err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(out, tc.Result) {
|
|
t.Fatalf(
|
|
"%d: bad output for input: %s\n\nOutput: %#v\nExpected: %#v",
|
|
i, tc.Input, out, tc.Result)
|
|
}
|
|
}
|
|
}
|