Merge pull request #209 from sshota0809/issue/119

Replace manual terraform execution with hashicorp/terraform-exec

go.mod

@@ -13,6 +13,7 @@ require (
 	github.com/hashicorp/go-plugin v1.3.0
 	github.com/hashicorp/go-version v1.2.1
 	github.com/hashicorp/terraform v0.14.0
+	github.com/hashicorp/terraform-exec v0.12.0
 	github.com/hashicorp/yamux v0.0.0-20181012175058-2f1d1f20f75d // indirect
 	github.com/jarcoal/httpmock v1.0.6
 	github.com/jmespath/go-jmespath v0.3.0

go.sum

@@ -87,11 +87,14 @@ github.com/agext/levenshtein v1.2.2 h1:0S/Yg6LYmFJ5stwQeRp6EeOcCbj7xiqQSdNelsXva
 github.com/agext/levenshtein v1.2.2/go.mod h1:JEDfjyjHDjOF/1e4FlBE/PkbqA9OfWu2ki2W0IB5558=
 github.com/agl/ed25519 v0.0.0-20150830182803-278e1ec8e8a6/go.mod h1:WPjqKcmVOxf0XSf3YxCJs6N6AOSrOx3obionmG7T0y0=
 github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
+github.com/alcortesm/tgz v0.0.0-20161220082320-9c5fe88206d7/go.mod h1:6zEj6s6u/ghQa61ZWa/C2Aw3RkjiTBOix7dkqa1VLIs=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/aliyun/alibaba-cloud-sdk-go v0.0.0-20190329064014-6e358769c32a/go.mod h1:T9M45xf79ahXVelWoOBmH0y4aC1t5kXO5BxwyakgIGA=
 github.com/aliyun/aliyun-oss-go-sdk v0.0.0-20190103054945-8205d1f41e70/go.mod h1:T/Aws4fEfogEE9v+HPhhw+CntffsBHJ8nXQCwKr0/g8=
 github.com/aliyun/aliyun-tablestore-go-sdk v4.1.2+incompatible/go.mod h1:LDQHRZylxvcg8H7wBIDfvO5g/cy4/sz1iucBlc2l3Jw=
+github.com/andybalholm/crlf v0.0.0-20171020200849-670099aa064f/go.mod h1:k8feO4+kXDxro6ErPXBRTJ/ro2mf0SsFG8s7doP9kJE=
+github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
 github.com/antchfx/xpath v0.0.0-20190129040759-c8489ed3251e/go.mod h1:Yee4kTMuNiPYJ7nSNorELQMr1J33uOpXDMByNYhvtNk=
 github.com/antchfx/xquery v0.0.0-20180515051857-ad5b8c7a47b0/go.mod h1:LzD22aAzDP8/dyiCKFp31He4m2GPjl0AFyzDtZzUu9M=
 github.com/apparentlymart/go-cidr v1.0.1 h1:NmIwLZ/KdsjIUlhf+/Np40atNXm/+lZ5txfTJ/SpF+U=
@@ -116,6 +119,7 @@ github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmV
 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=
+github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
 github.com/aws/aws-sdk-go v1.15.78/go.mod h1:E3/ieXAlvM0XWO57iftYVDLLvQ824smPP3ATZkfNZeM=
 github.com/aws/aws-sdk-go v1.25.3/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-sdk-go v1.30.12/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
@@ -177,6 +181,7 @@ github.com/eapache/go-resiliency v1.2.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5m
 github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385/go.mod h1:0vRUJqYpeSZifjYj7uP3BG/gKcuzL9xWVV/Y+cK33KM=
 github.com/elazarl/goproxy v0.0.0-20170405201442-c4fc26588b6e/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
 github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
+github.com/emirpasic/gods v1.12.0/go.mod h1:YfzfFFoVP/catgzJb4IKIqXjX78Ha8FMSDh3ymbK86o=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
@@ -190,6 +195,7 @@ github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5Kwzbycv
 github.com/fatih/color v1.9.0 h1:8xPHl4/q1VyqGIPif1F+1V3Y3lSmrq01EabUW3CoW5s=
 github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL+zU=
 github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
+github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/gavv/httpexpect v2.0.0+incompatible/go.mod h1:x+9tiU1YnrOvnB725RkpoLv1M62hOWzwo5OXotisrKc=
@@ -199,8 +205,13 @@ github.com/ghodss/yaml v0.0.0-20150909031657-73d445a93680/go.mod h1:4dBDuWmgqj2H
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/gin-contrib/sse v0.0.0-20190301062529-5545eab6dad3/go.mod h1:VJ0WA2NBN22VlZ2dKZQPAPnyWw5XTlK1KymzLKsr59s=
 github.com/gin-gonic/gin v1.4.0/go.mod h1:OW2EZn3DO8Ln9oIKOvM++LBO+5UPHJJDH72/q/3rZdM=
+github.com/gliderlabs/ssh v0.2.2/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
 github.com/go-check/check v0.0.0-20180628173108-788fd7840127/go.mod h1:9ES+weclKsC9YodN5RgxqK/VD9HM9JsCSh7rNhMZE98=
 github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm6/TyX73Q=
+github.com/go-git/gcfg v1.5.0/go.mod h1:5m20vg6GwYabIxaOonVkTdrILxQMpEShl1xiMF4ua+E=
+github.com/go-git/go-billy/v5 v5.0.0/go.mod h1:pmpqyWchKfYfrkb/UVH4otLvyi/5gJlGI4Hb3ZqZ3W0=
+github.com/go-git/go-git-fixtures/v4 v4.0.1/go.mod h1:m+ICp2rF3jDhFgEZ/8yziagdT1C+ZpZcrJjappBCDSw=
+github.com/go-git/go-git/v5 v5.1.0/go.mod h1:ZKfuPUoY1ZqIG4QG9BDBh3G4gLM5zvPuSJAozQrZuyM=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
@@ -321,10 +332,12 @@ github.com/hashicorp/errwrap v1.0.0 h1:hLrqtEDnRye3+sgx6z4qVLNuviH3MR5aQ0ykNJa/U
 github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
 github.com/hashicorp/go-azure-helpers v0.10.0/go.mod h1:YuAtHxm2v74s+IjQwUG88dHBJPd5jL+cXr5BGVzSKhE=
 github.com/hashicorp/go-azure-helpers v0.12.0/go.mod h1:Zc3v4DNeX6PDdy7NljlYpnrdac1++qNW0I4U+ofGwpg=
+github.com/hashicorp/go-checkpoint v0.5.0 h1:MFYpPZCnQqQTE18jFwSII6eUQrD/oxMFp3mlgcqk5mU=
 github.com/hashicorp/go-checkpoint v0.5.0/go.mod h1:7nfLNL10NsxqO4iWuW6tWW0HjZuDrwkBuEQsVcpCOgg=
 github.com/hashicorp/go-cleanhttp v0.5.0/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
 github.com/hashicorp/go-cleanhttp v0.5.1 h1:dH3aiDG9Jvb5r5+bYHsikaOUIpcM0xvgMXVoDkXMzJM=
 github.com/hashicorp/go-cleanhttp v0.5.1/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
+github.com/hashicorp/go-getter v1.4.0/go.mod h1:7qxyCd8rBfcShwsvxgIguu4KbS3l8bUCwg2Umn7RjeY=
 github.com/hashicorp/go-getter v1.4.2-0.20200106182914-9813cbd4eb02 h1:l1KB3bHVdvegcIf5upQ5mjcHjs2qsWnKh4Yr9xgIuu8=
 github.com/hashicorp/go-getter v1.4.2-0.20200106182914-9813cbd4eb02/go.mod h1:7qxyCd8rBfcShwsvxgIguu4KbS3l8bUCwg2Umn7RjeY=
 github.com/hashicorp/go-getter v1.5.0 h1:ciWJaeZWSMbc5OiLMpKp40MKFPqO44i0h3uyfXPBkkk=
@@ -386,6 +399,10 @@ github.com/hashicorp/terraform v0.14.0 h1:s0OivKdekGqireI8vzOXkXUHb0QxNfG8rnGuPS
 github.com/hashicorp/terraform v0.14.0/go.mod h1:K/qLM9bt3zVQPWrOn7IWiHbmNms5bn2O4UWycd2kMjk=
 github.com/hashicorp/terraform-config-inspect v0.0.0-20191212124732-c6ae6269b9d7 h1:Pc5TCv9mbxFN6UVX0LH6CpQrdTM5YjbVI2w15237Pjk=
 github.com/hashicorp/terraform-config-inspect v0.0.0-20191212124732-c6ae6269b9d7/go.mod h1:p+ivJws3dpqbp1iP84+npOyAmTTOLMgCzrXd3GSdn/A=
+github.com/hashicorp/terraform-exec v0.12.0 h1:Tb1VC2gqArl9EJziJjoazep2MyxMk00tnNKV/rgMba0=
+github.com/hashicorp/terraform-exec v0.12.0/go.mod h1:SGhto91bVRlgXQWcJ5znSz+29UZIa8kpBbkGwQ+g9E8=
+github.com/hashicorp/terraform-json v0.8.0 h1:XObQ3PgqU52YLQKEaJ08QtUshAfN3yu4u8ebSW0vztc=
+github.com/hashicorp/terraform-json v0.8.0/go.mod h1:3defM4kkMfttwiE7VakJDwCd4R+umhSQnvJwORXbprE=
 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/terraform-svchost v0.0.0-20200729002733-f050f53b9734 h1:HKLsbzeOsfXmKNpr3GiT18XAblV0BjCbzL8KQAMZGa0=
@@ -407,6 +424,8 @@ github.com/iris-contrib/pongo2 v0.0.1/go.mod h1:Ssh+00+3GAZqSQb30AvBRNxBx7rf0Gqw
 github.com/iris-contrib/schema v0.0.1/go.mod h1:urYA3uvUNG1TIIjOSCzHr9/LmbQo8LrOcOqfqxa4hXw=
 github.com/jarcoal/httpmock v1.0.6 h1:e81vOSexXU3mJuJ4l//geOmKIt+Vkxerk1feQBC8D0g=
 github.com/jarcoal/httpmock v1.0.6/go.mod h1:ATjnClrvW/3tijVmpL/va5Z3aAyGvqU3gCT8nX0Txik=
+github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99/go.mod h1:1lJo3i6rXxKeerYnT8Nvf0QmHCRC1n8sfWVwXF2Frvo=
+github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
 github.com/jhump/protoreflect v1.6.0 h1:h5jfMVslIg6l29nsMs0D8Wj17RDVdNYti0vDN/PZZoE=
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 github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
@@ -437,6 +456,7 @@ github.com/kataras/iris/v12 v12.1.8/go.mod h1:LMYy4VlP67TQ3Zgriz8RE2h2kMZV2SgMYb
 github.com/kataras/neffos v0.0.14/go.mod h1:8lqADm8PnbeFfL7CLXh1WHw53dG27MC3pgi2R1rmoTE=
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+github.com/kevinburke/ssh_config v0.0.0-20190725054713-01f96b0aa0cd/go.mod h1:CT57kijsi8u/K/BOFA39wgDQJ9CxiF4nAY/ojJ6r6mM=
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@@ -506,6 +526,7 @@ github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3N
 github.com/mitchellh/cli v1.0.0 h1:iGBIsUe3+HZ/AD/Vd7DErOt5sU9fa8Uj7A2s1aggv1Y=
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+github.com/mitchellh/cli v1.1.1/go.mod h1:xcISNoH86gajksDmfB23e/pu+B+GeFRMYmoHXxx3xhI=
 github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db/go.mod h1:l0dey0ia/Uv7NcFFVbCLtqEBQbrT4OCwCSKTEv6enCw=
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@@ -609,6 +630,7 @@ github.com/schollz/closestmatch v2.1.0+incompatible/go.mod h1:RtP1ddjLong6gTkbtm
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
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@@ -707,6 +729,7 @@ github.com/zclconf/go-cty v1.2.1 h1:vGMsygfmeCl4Xb6OA5U5XVAaQZ69FvoG7X2jUtQujb8=
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+github.com/zclconf/go-cty-debug v0.0.0-20191215020915-b22d67c1ba0b/go.mod h1:ZRKQfBXbGkpdV6QMzT3rU1kSTAnfu1dO8dPKjYprgj8=
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@@ -737,6 +760,7 @@ golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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+golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200510223506-06a226fb4e37/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
@@ -1068,6 +1092,7 @@ gopkg.in/ini.v1 v1.51.1/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/mgo.v2 v2.0.0-20180705113604-9856a29383ce/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=

test/acceptance/testing.go

@@ -8,7 +8,6 @@ import (
 	"io"
 	"io/ioutil"
 	"os"
-	"os/exec"
 	"path"
 	"strings"
 	"testing"
@@ -26,6 +25,9 @@ import (
 
 	"github.com/cloudskiff/driftctl/logger"
 	"github.com/cloudskiff/driftctl/pkg/cmd"
+
+	"github.com/hashicorp/terraform-exec/tfexec"
+	"github.com/hashicorp/terraform-exec/tfinstall"
 )
 
 type AccCheck struct {
@@ -43,6 +45,23 @@ type AccTestCase struct {
 	Checks            []AccCheck
 	tmpResultFilePath string
 	originalEnv       []string
+	tf                *tfexec.Terraform
+}
+
+func (c *AccTestCase) initTerraformExecutor() error {
+	execPath, err := tfinstall.LookPath().ExecPath(context.Background())
+	if err != nil {
+		return err
+	}
+	c.tf, err = tfexec.NewTerraform(c.Path, execPath)
+	if err != nil {
+		return err
+	}
+	env := c.resolveTerraformEnv()
+	if err := c.tf.SetEnv(env); err != nil {
+		return err
+	}
+	return nil
 }
 
 func (c *AccTestCase) createResultFile(t *testing.T) error {
@@ -96,7 +115,7 @@ func (c *AccTestCase) getResult(t *testing.T) *ScanResult {
  * Retrieve env from os.Environ() but override every variable prefixed with ACC_
  * e.g. ACC_AWS_PROFILE will override AWS_PROFILE
  */
-func (c *AccTestCase) resolveTerraformEnv() []string {
+func (c *AccTestCase) resolveTerraformEnv() map[string]string {
 
 	environMap := make(map[string]string, len(os.Environ()))
 
@@ -114,24 +133,20 @@ func (c *AccTestCase) resolveTerraformEnv() []string {
 		}
 	}
 
-	results := make([]string, 0, len(environMap))
+	return environMap
-	for k, v := range environMap {
-		results = append(results, fmt.Sprintf("%s=%s", k, v))
-	}
-
-	return results
 }
 
 func (c *AccTestCase) terraformInit() error {
+	if err := c.initTerraformExecutor(); err != nil {
+		return err
+	}
 	_, err := os.Stat(path.Join(c.Path, ".terraform"))
 	if os.IsNotExist(err) {
 		logrus.Debug("Running terraform init ...")
-		cmd := exec.Command("terraform", "init", "-input=false")
+		stderr := new(bytes.Buffer)
-		cmd.Dir = c.Path
+		c.tf.SetStderr(stderr)
-		cmd.Env = c.resolveTerraformEnv()
+		if err := c.tf.Init(context.Background()); err != nil {
-		out, err := cmd.CombinedOutput()
+			return errors.Wrap(err, stderr.String())
-		if err != nil {
-			return errors.Wrap(err, string(out))
 		}
 		logrus.Debug("Terraform init done")
 	}
@@ -141,12 +156,10 @@ func (c *AccTestCase) terraformInit() error {
 
 func (c *AccTestCase) terraformApply() error {
 	logrus.Debug("Running terraform apply ...")
-	cmd := exec.Command("terraform", "apply", "-auto-approve")
+	stderr := new(bytes.Buffer)
-	cmd.Dir = c.Path
+	c.tf.SetStderr(stderr)
-	cmd.Env = c.resolveTerraformEnv()
+	if err := c.tf.Apply(context.Background()); err != nil {
-	out, err := cmd.CombinedOutput()
+		return errors.Wrap(err, stderr.String())
-	if err != nil {
-		return errors.Wrap(err, string(out))
 	}
 	logrus.Debug("Terraform apply done")
 
@@ -155,12 +168,10 @@ func (c *AccTestCase) terraformApply() error {
 
 func (c *AccTestCase) terraformDestroy() error {
 	logrus.Debug("Running terraform destroy ...")
-	cmd := exec.Command("terraform", "destroy", "-auto-approve")
+	stderr := new(bytes.Buffer)
-	cmd.Dir = c.Path
+	c.tf.SetStderr(stderr)
-	cmd.Env = c.resolveTerraformEnv()
+	if err := c.tf.Destroy(context.Background()); err != nil {
-	out, err := cmd.CombinedOutput()
+		return errors.Wrap(err, stderr.String())
-	if err != nil {
-		return errors.Wrap(err, string(out))
 	}
 	logrus.Debug("Terraform destroy done")
 
@@ -193,7 +204,12 @@ func runDriftCtlCmd(driftctlCmd *cmd.DriftctlCmd) (*cobra.Command, string, error
 
 func (c *AccTestCase) useTerraformEnv() {
 	c.originalEnv = os.Environ()
-	c.setEnv(c.resolveTerraformEnv())
+	environMap := c.resolveTerraformEnv()
+	env := make([]string, 0, len(environMap))
+	for k, v := range environMap {
+		env = append(env, fmt.Sprintf("%s=%s", k, v))
+	}
+	c.setEnv(env)
 }
 
 func (c *AccTestCase) restoreEnv() {

test/acceptance/testing_test.go

@@ -5,7 +5,6 @@ import (
 	"errors"
 	"os"
 	"reflect"
-	"sort"
 	"testing"
 	"time"
 
@@ -25,9 +24,12 @@ func TestAccTestCase_resolveTerraformEnv(t *testing.T) {
 
 	testCase := AccTestCase{}
 	env := testCase.resolveTerraformEnv()
-	expected := []string{"TEST_VAR=foobar", "TEST_VAR_2=barfoo", "TEST_VAR_3=", "TEST_VAR_4="}
+	expected := map[string]string{
-	sort.Strings(env)
+		"TEST_VAR":   "foobar",
-	sort.Strings(expected)
+		"TEST_VAR_2": "barfoo",
+		"TEST_VAR_3": "",
+		"TEST_VAR_4": "",
+	}
 
 	if !reflect.DeepEqual(expected, env) {
 		t.Fatalf("Variable env override not working, got: %+v, expected %+v", env, expected)