fix: Validation if terraform version not defined and Add more tests (#19

)

* Validation if terraform version is not defined in terraform files.

* Fix null pointer exception when returning errors

* Enhance error handling with proper messages

go.mod

@@ -3,77 +3,91 @@ module github.com/rootsami/terradrift
 go 1.18
 
 require (
-	github.com/gin-gonic/gin v1.8.1
+	github.com/gin-gonic/gin v1.9.0
 	github.com/hashicorp/go-version v1.6.0
-	github.com/hashicorp/hc-install v0.4.0
-	github.com/hashicorp/terraform-config-inspect v0.0.0-20221020162138-81db043ad408
-	github.com/hashicorp/terraform-exec v0.17.2
+	github.com/hashicorp/hc-install v0.5.0
+	github.com/hashicorp/terraform-config-inspect v0.0.0-20230324223604-71b695beb305
+	github.com/hashicorp/terraform-exec v0.18.1
 	github.com/olekukonko/tablewriter v0.0.5
 	github.com/prometheus/client_golang v1.14.0
 	github.com/sirupsen/logrus v1.9.0
-	golang.org/x/exp v0.0.0-20221204150635-6dcec336b2bb
+	golang.org/x/exp v0.0.0-20230321023759-10a507213a29
 	gopkg.in/yaml.v2 v2.4.0
 )
 
 require (
-	github.com/Microsoft/go-winio v0.4.16 // indirect
-	github.com/ProtonMail/go-crypto v0.0.0-20210428141323-04723f9f07d7 // indirect
-	github.com/acomagu/bufpipe v1.0.3 // indirect
-	github.com/agext/levenshtein v1.2.2 // indirect
+	github.com/Microsoft/go-winio v0.6.0 // indirect
+	github.com/ProtonMail/go-crypto v0.0.0-20230321155629-9a39f2531310 // indirect
+	github.com/acomagu/bufpipe v1.0.4 // indirect
+	github.com/agext/levenshtein v1.2.3 // indirect
 	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
 	github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 // indirect
 	github.com/apparentlymart/go-textseg v1.0.0 // indirect
 	github.com/apparentlymart/go-textseg/v13 v13.0.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.1.2 // indirect
-	github.com/emirpasic/gods v1.12.0 // indirect
+	github.com/bytedance/sonic v1.8.6 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
+	github.com/cloudflare/circl v1.3.2 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/emirpasic/gods v1.18.1 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
 	github.com/go-git/gcfg v1.5.0 // indirect
-	github.com/go-git/go-billy/v5 v5.3.1 // indirect
-	github.com/go-playground/locales v0.14.0 // indirect
-	github.com/go-playground/universal-translator v0.18.0 // indirect
-	github.com/go-playground/validator/v10 v10.10.0 // indirect
-	github.com/goccy/go-json v0.9.7 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/google/go-cmp v0.5.8 // indirect
-	github.com/hashicorp/hcl v0.0.0-20170504190234-a4b07c25de5f // indirect
-	github.com/hashicorp/hcl/v2 v2.0.0 // indirect
-	github.com/imdario/mergo v0.3.12 // indirect
+	github.com/go-git/go-billy/v5 v5.4.1 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.12.0 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/hashicorp/hcl/v2 v2.16.2 // indirect
+	github.com/imdario/mergo v0.3.15 // indirect
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/kevinburke/ssh_config v0.0.0-20201106050909-4977a11b4351 // indirect
-	github.com/leodido/go-urn v1.2.1 // indirect
-	github.com/mattn/go-isatty v0.0.16 // indirect
+	github.com/kevinburke/ssh_config v1.2.0 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
+	github.com/leodido/go-urn v1.2.2 // indirect
+	github.com/mattn/go-isatty v0.0.18 // indirect
 	github.com/mattn/go-runewidth v0.0.14 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
-	github.com/mitchellh/go-wordwrap v1.0.0 // indirect
+	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.1 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.7 // indirect
+	github.com/pjbgf/sha1cd v0.3.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_model v0.3.0 // indirect
-	github.com/prometheus/common v0.37.0 // indirect
-	github.com/prometheus/procfs v0.8.0 // indirect
-	github.com/rivo/uniseg v0.4.3 // indirect
+	github.com/prometheus/common v0.42.0 // indirect
+	github.com/prometheus/procfs v0.9.0 // indirect
+	github.com/rivo/uniseg v0.4.4 // indirect
 	github.com/robfig/cron/v3 v3.0.1 // indirect
-	github.com/sergi/go-diff v1.2.0 // indirect
-	github.com/ugorji/go/codec v1.2.7 // indirect
-	github.com/xanzy/ssh-agent v0.3.0 // indirect
-	golang.org/x/net v0.2.0 // indirect
+	github.com/sergi/go-diff v1.3.1 // indirect
+	github.com/skeema/knownhosts v1.1.0 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.11 // indirect
+	github.com/xanzy/ssh-agent v0.3.3 // indirect
+	golang.org/x/arch v0.3.0 // indirect
+	golang.org/x/mod v0.9.0 // indirect
+	golang.org/x/net v0.8.0 // indirect
 	golang.org/x/sync v0.1.0 // indirect
-	golang.org/x/sys v0.3.0 // indirect
-	golang.org/x/term v0.3.0 // indirect
-	google.golang.org/protobuf v1.28.1 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	golang.org/x/term v0.6.0 // indirect
+	golang.org/x/tools v0.7.0 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
 require (
-	github.com/go-co-op/gocron v1.16.2
-	github.com/go-git/go-git/v5 v5.4.2
+	github.com/go-co-op/gocron v1.19.0
+	github.com/go-git/go-git/v5 v5.6.1
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
-	github.com/hashicorp/terraform-json v0.14.0 // indirect
-	github.com/zclconf/go-cty v1.10.0 // indirect
-	golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 // indirect
-	golang.org/x/text v0.4.0 // indirect
+	github.com/hashicorp/terraform-json v0.16.0
+	github.com/stretchr/testify v1.8.2
+	github.com/zclconf/go-cty v1.13.1 // indirect
+	golang.org/x/crypto v0.7.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
 )