Add dependencies

Add apparentlymart/terraform-plugin-test, zclconf/go-cty, and hashicorp-terraform-json.

This commit is likely to be amended in future.

go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/agl/ed25519 v0.0.0-20170116200512-5312a6153412 // indirect
 	github.com/apparentlymart/go-cidr v1.0.1
 	github.com/apparentlymart/go-dump v0.0.0-20190214190832-042adf3cf4a0
+	github.com/apparentlymart/terraform-plugin-test v1.1.0
 	github.com/armon/go-radix v1.0.0 // indirect
 	github.com/aws/aws-sdk-go v1.25.3 // indirect
 	github.com/davecgh/go-spew v1.1.1
@@ -27,6 +28,7 @@ require (
 	github.com/hashicorp/hcl/v2 v2.0.0
 	github.com/hashicorp/logutils v1.0.0
 	github.com/hashicorp/terraform-config-inspect v0.0.0-20191115094559-17f92b0546e8
+	github.com/hashicorp/terraform-json v0.3.1
 	github.com/hashicorp/terraform-svchost v0.0.0-20191011084731-65d371908596
 	github.com/hashicorp/yamux v0.0.0-20181012175058-2f1d1f20f75d // indirect
 	github.com/keybase/go-crypto v0.0.0-20161004153544-93f5b35093ba
@@ -42,7 +44,7 @@ require (
 	github.com/posener/complete v1.2.1 // indirect
 	github.com/spf13/afero v1.2.2
 	github.com/vmihailenco/msgpack v4.0.1+incompatible // indirect
-	github.com/zclconf/go-cty v1.1.0
+	github.com/zclconf/go-cty v1.2.1
 	github.com/zclconf/go-cty-yaml v1.0.1
 	golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586
 	golang.org/x/net v0.0.0-20191009170851-d66e71096ffb

go.sum

@@ -22,6 +22,10 @@ github.com/apparentlymart/go-dump v0.0.0-20190214190832-042adf3cf4a0 h1:MzVXffFU
 github.com/apparentlymart/go-dump v0.0.0-20190214190832-042adf3cf4a0/go.mod h1:oL81AME2rN47vu18xqj1S1jPIPuN7afo62yKTNn3XMM=
 github.com/apparentlymart/go-textseg v1.0.0 h1:rRmlIsPEEhUTIKQb7T++Nz/A5Q6C9IuX2wFoYVvnCs0=
 github.com/apparentlymart/go-textseg v1.0.0/go.mod h1:z96Txxhf3xSFMPmb5X/1W05FF/Nj9VFpLOpjS5yuumk=
+github.com/apparentlymart/terraform-plugin-test v1.0.0 h1:lJpkZlnNBJWZk8pKVj3cVyeLAbAvUjo330KfxsGxYYw=
+github.com/apparentlymart/terraform-plugin-test v1.0.0/go.mod h1:hYbuAV3amDbqrFlZLG1smC/QK5ZG2e1Jpq9m+Ug2qvk=
+github.com/apparentlymart/terraform-plugin-test v1.1.0 h1:/2DA0xnGGzJW81tAajFeyMzq2pCry84gxa7+tWKmSFE=
+github.com/apparentlymart/terraform-plugin-test v1.1.0/go.mod h1:hYbuAV3amDbqrFlZLG1smC/QK5ZG2e1Jpq9m+Ug2qvk=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/armon/go-radix v1.0.0 h1:F4z6KzEeeQIMeLFa97iZU6vupzoecKdU5TX24SNppXI=
 github.com/armon/go-radix v1.0.0/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
@@ -103,6 +107,9 @@ github.com/hashicorp/logutils v1.0.0 h1:dLEQVugN8vlakKOUE3ihGLTZJRB4j+M2cdTm/ORI
 github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64=
 github.com/hashicorp/terraform-config-inspect v0.0.0-20191115094559-17f92b0546e8 h1:+RyjwU+Gnd/aTJBPZVDNm903eXVjjqhbaR4Ypx3xYyY=
 github.com/hashicorp/terraform-config-inspect v0.0.0-20191115094559-17f92b0546e8/go.mod h1:p+ivJws3dpqbp1iP84+npOyAmTTOLMgCzrXd3GSdn/A=
+github.com/hashicorp/terraform-json v0.3.0/go.mod h1:wXV7+To33w9ism+RXUnaYk67mR6lnsflM2espC7RR58=
+github.com/hashicorp/terraform-json v0.3.1 h1:vRiOLck4YX4UqzljVhdQKsVLixX4L+Pgnm/q+xu6QvE=
+github.com/hashicorp/terraform-json v0.3.1/go.mod h1:MdwQStcJb00ht55L/2YH0ypAO9RNtczJ1MaUlf+gJcg=
 github.com/hashicorp/terraform-svchost v0.0.0-20191011084731-65d371908596 h1:hjyO2JsNZUKT1ym+FAdlBEkGPevazYsmVgIMw7dVELg=
 github.com/hashicorp/terraform-svchost v0.0.0-20191011084731-65d371908596/go.mod h1:kNDNcF7sN4DocDLBkQYz73HGKwN1ANB1blq4lIYLYvg=
 github.com/hashicorp/yamux v0.0.0-20180604194846-3520598351bb/go.mod h1:+NfK9FKeTrX5uv1uIXGdwYDTeHna2qgaIlx54MXqjAM=
@@ -178,9 +185,12 @@ github.com/vmihailenco/msgpack v3.3.3+incompatible h1:wapg9xDUZDzGCNFlwc5SqI1rvc
 github.com/vmihailenco/msgpack v3.3.3+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=
 github.com/vmihailenco/msgpack v4.0.1+incompatible h1:RMF1enSPeKTlXrXdOcqjFUElywVZjjC6pqse21bKbEU=
 github.com/vmihailenco/msgpack v4.0.1+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=
+github.com/zclconf/go-cty v0.0.0-20190430221426-d36a6f0dbffd/go.mod h1:xnAOWiHeOqg2nWS62VtQ7pbOu17FtxJNW8RLEih+O3s=
 github.com/zclconf/go-cty v1.0.0/go.mod h1:xnAOWiHeOqg2nWS62VtQ7pbOu17FtxJNW8RLEih+O3s=
 github.com/zclconf/go-cty v1.1.0 h1:uJwc9HiBOCpoKIObTQaLR+tsEXx1HBHnOsOOpcdhZgw=
 github.com/zclconf/go-cty v1.1.0/go.mod h1:xnAOWiHeOqg2nWS62VtQ7pbOu17FtxJNW8RLEih+O3s=
+github.com/zclconf/go-cty v1.2.1 h1:vGMsygfmeCl4Xb6OA5U5XVAaQZ69FvoG7X2jUtQujb8=
+github.com/zclconf/go-cty v1.2.1/go.mod h1:hOPWgoHbaTUnI5k4D2ld+GRpFJSCe6bCM7m1q/N4PQ8=
 github.com/zclconf/go-cty-yaml v1.0.1 h1:up11wlgAaDvlAGENcFDnZgkn0qUJurso7k6EpURKNF8=
 github.com/zclconf/go-cty-yaml v1.0.1/go.mod h1:IP3Ylp0wQpYm50IHK8OZWKMu6sPJIUgKa8XhiVHura0=
 go.opencensus.io v0.21.0 h1:mU6zScU4U1YAFPHEHYk+3JC4SY7JxgkqS10ZOSyksNg=