parser: add official HCL tests, WIP

parser/parser_test.go

@@ -2,6 +2,7 @@ package parser
 
 import (
 	"fmt"
+	"io/ioutil"
 	"path/filepath"
 	"reflect"
 	"runtime"
@@ -213,6 +214,82 @@ func TestObjectKey(t *testing.T) {
 	}
 }
 
+// Official HCL tests
+func TestParse(t *testing.T) {
+	cases := []struct {
+		Name string
+		Err  bool
+	}{
+		{
+			"assign_colon.hcl",
+			true,
+		},
+		{
+			"comment.hcl",
+			false,
+		},
+		{
+			"comment_single.hcl",
+			false,
+		},
+		{
+			"empty.hcl",
+			false,
+		},
+		{
+			"list_comma.hcl",
+			false,
+		},
+		{
+			"multiple.hcl",
+			false,
+		},
+		{
+			"structure.hcl",
+			false,
+		},
+		{
+			"structure_basic.hcl",
+			false,
+		},
+		{
+			"structure_empty.hcl",
+			false,
+		},
+		{
+			"complex.hcl",
+			false,
+		},
+		{
+			"assign_deep.hcl",
+			true,
+		},
+		{
+			"types.hcl",
+			false,
+		},
+		{
+			"array_comment.hcl",
+			false,
+		},
+	}
+
+	const fixtureDir = "./test-fixtures"
+
+	for _, tc := range cases {
+		d, err := ioutil.ReadFile(filepath.Join(fixtureDir, tc.Name))
+		if err != nil {
+			t.Fatalf("err: %s", err)
+		}
+
+		p := New(d)
+		_, err = p.Parse()
+		if (err != nil) != tc.Err {
+			t.Fatalf("Input: %s\n\nError: %s", tc.Name, err)
+		}
+	}
+}
+
 // equals fails the test if exp is not equal to act.
 func equals(tb testing.TB, exp, act interface{}) {
 	if !reflect.DeepEqual(exp, act) {

parser/test-fixtures/array_comment.hcl

@@ -0,0 +1,4 @@
+foo = [
+    "1",
+    "2", # comment
+]

parser/test-fixtures/assign_colon.hcl

@@ -0,0 +1,6 @@
+resource = [{
+	"foo": {
+		"bar": {},
+		"baz": [1, 2, "foo"],
+	}
+}]

parser/test-fixtures/assign_deep.hcl

@@ -0,0 +1,5 @@
+resource = [{
+	foo = [{
+		bar = {}
+	}]
+}]

parser/test-fixtures/comment.hcl

@@ -0,0 +1,15 @@
+// Foo
+
+/* Bar */
+
+/*
+/*
+Baz
+*/
+
+# Another
+
+# Multiple
+# Lines
+
+foo = "bar"

parser/test-fixtures/comment_single.hcl

@@ -0,0 +1 @@
+# Hello

parser/test-fixtures/complex.hcl

@@ -0,0 +1,42 @@
+// This comes from Terraform, as a test
+variable "foo" {
+    default = "bar"
+    description = "bar"
+}
+
+provider "aws" {
+  access_key = "foo"
+  secret_key = "bar"
+}
+
+provider "do" {
+  api_key = "${var.foo}"
+}
+
+resource "aws_security_group" "firewall" {
+    count = 5
+}
+
+resource aws_instance "web" {
+    ami = "${var.foo}"
+    security_groups = [
+        "foo",
+        "${aws_security_group.firewall.foo}"
+    ]
+
+    network_interface {
+        device_index = 0
+        description = "Main network interface"
+    }
+}
+
+resource "aws_instance" "db" {
+    security_groups = "${aws_security_group.firewall.*.id}"
+    VPC = "foo"
+
+    depends_on = ["aws_instance.web"]
+}
+
+output "web_ip" {
+    value = "${aws_instance.web.private_ip}"
+}

parser/test-fixtures/complex_key.hcl

@@ -0,0 +1 @@
+foo.bar = "baz"

parser/test-fixtures/list.hcl

@@ -0,0 +1 @@
+foo = [1, 2, "foo"]

parser/test-fixtures/list_comma.hcl

@@ -0,0 +1 @@
+foo = [1, 2, "foo",]

parser/test-fixtures/multiple.hcl

@@ -0,0 +1,2 @@
+foo = "bar"
+key = 7

parser/test-fixtures/old.hcl

@@ -0,0 +1,3 @@
+default = {
+    "eu-west-1": "ami-b1cf19c6",
+}

parser/test-fixtures/structure.hcl

@@ -0,0 +1,5 @@
+// This is a test structure for the lexer
+foo bar "baz" {
+	key = 7
+	foo = "bar"
+}

parser/test-fixtures/structure_basic.hcl

@@ -0,0 +1,5 @@
+foo {
+	value = 7
+	"value" = 8
+	"complex::value" = 9
+}

parser/test-fixtures/structure_empty.hcl

@@ -0,0 +1 @@
+resource "foo" "bar" {}

parser/test-fixtures/types.hcl

@@ -0,0 +1,7 @@
+foo = "bar"
+bar = 7
+baz = [1,2,3]
+foo = -12
+bar = 3.14159
+foo = true
+bar = false