Update dependencies, add support for from/to jsonInJson

go.mod

@@ -3,7 +3,7 @@ module github.com/breml/tfreveal
 go 1.22.3
 
 require (
-	github.com/breml/jsondiffprinter v0.0.10
+	github.com/breml/jsondiffprinter v0.0.11
 	github.com/ghetzel/go-stockutil v1.11.4
 	github.com/hashicorp/terraform-json v0.22.1
 	github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db
@@ -20,24 +20,24 @@ require (
 	github.com/ghetzel/uuid v0.0.0-20171129191014-dec09d789f3d // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
-	github.com/hashicorp/go-version v1.6.0 // indirect
+	github.com/hashicorp/go-version v1.7.0 // indirect
 	github.com/jbenet/go-base58 v0.0.0-20150317085156-6237cf65f3a6 // indirect
 	github.com/jdkato/prose v1.2.1 // indirect
 	github.com/juliangruber/go-intersect v1.1.0 // indirect
 	github.com/mattn/go-isatty v0.0.16 // indirect
-	github.com/mitchellh/mapstructure v1.4.3 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/sergi/go-diff v1.3.1 // indirect
-	github.com/tidwall/gjson v1.17.1 // indirect
+	github.com/tidwall/gjson v1.17.3 // indirect
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.1 // indirect
 	github.com/tidwall/sjson v1.2.5 // indirect
 	github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1 // indirect
-	github.com/zclconf/go-cty v1.14.4 // indirect
-	golang.org/x/sys v0.15.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
+	github.com/zclconf/go-cty v1.15.0 // indirect
+	golang.org/x/text v0.17.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 	gopkg.in/neurosnap/sentences.v1 v1.0.7 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/client-go v0.24.1 // indirect
+	k8s.io/client-go v0.30.3 // indirect
 )

main_test.go

@@ -1,9 +1,11 @@
 package main
 
 import (
+	"bytes"
 	"io"
 	"os"
 	"path/filepath"
+	"sync"
 	"testing"
 
 	"github.com/stretchr/testify/require"
@@ -23,20 +25,29 @@ func TestMain0(t *testing.T) {
 			r, w, err := os.Pipe()
 			require.NoError(t, err)
 
+			var copyErr error
+			buf := bytes.NewBuffer(nil)
+			wg := sync.WaitGroup{}
+			wg.Add(1)
+			go func() {
+				defer wg.Done()
+				_, copyErr = io.Copy(buf, r)
+			}()
+
 			os.Stdout = w
 
 			err = main0([]string{"tfreveal", "--no-color", filepath.Join(filename, "plan.json")})
 			require.NoError(t, err)
 			err = w.Close()
 			require.NoError(t, err)
 
-			out, err := io.ReadAll(r)
-			require.NoError(t, err)
-
 			want, err := os.ReadFile(filepath.Join(filename, "output.golden"))
 			require.NoError(t, err)
 
-			require.Equal(t, string(want), string(out))
+			wg.Wait()
+			require.NoError(t, copyErr)
+
+			require.Equal(t, string(want), buf.String())
 		})
 	}
 }

testdata/advanced/after/main.tf

@@ -91,6 +91,18 @@ resource "local_file" "foo" {
   file_permission = "0660"
 }
 
+resource "local_file" "string2json" {
+  content = jsonencode({
+    "key": "some random json"
+  })
+  filename = "${path.module}/string2json"
+}
+
+resource "local_file" "json2string" {
+  content  = "some random string"
+  filename = "${path.module}/json2string"
+}
+
 output "string" {
   value = "some text 1"
 }

testdata/advanced/before/main.tf

@@ -90,6 +90,18 @@ resource "local_file" "foo" {
   filename = "${path.module}/foo.bar"
 }
 
+resource "local_file" "string2json" {
+  content  = "some random string"
+  filename = "${path.module}/string2json"
+}
+
+resource "local_file" "json2string" {
+  content = jsonencode({
+    "key": "some random json"
+  })
+  filename = "${path.module}/json2string"
+}
+
 output "string" {
   value = "some text"
 }

testdata/advanced/output.golden

@@ -70,9 +70,43 @@ Changes to Resources:
         # (5 unchanged attribute hidden)
     }
 
+  # local_file.json2string must be replaced
+-/+ local_file.json2string = {
+      ~ content = jsonencode(
+            {
+              - key = "some random json"
+            }
+        ) -> "some random string" # forces replacement
+      ~ content_base64sha256 = "HYsNaOjaBgmFTRuYj4T4J4Ve7InaRVmfw2wgDbwr8Cs=" -> "(known after apply)"
+      ~ content_base64sha512 = "COm1PXnJevPHVeZququDXk5+U5hDeA4dLmTnUpdeMhoF/3+isI46Hgkg5Dln9HCVN7Ythqjq4mrIP4t67bq3Ow==" -> "(known after apply)"
+      ~ content_md5 = "31dd41a76bb193c928caf767ac8e8340" -> "(known after apply)"
+      ~ content_sha1 = "72e1eb91ff698efdaa1a82b5977634a04cf2985d" -> "(known after apply)"
+      ~ content_sha256 = "1d8b0d68e8da0609854d1b988f84f827855eec89da45599fc36c200dbc2bf02b" -> "(known after apply)"
+      ~ content_sha512 = "08e9b53d79c97af3c755e66abaab835e4e7e539843780e1d2e64e752975e321a05ff7fa2b08e3a1e0920e43967f4709537b62d86a8eae26ac83f8b7aedbab73b" -> "(known after apply)"
+      ~ id = "72e1eb91ff698efdaa1a82b5977634a04cf2985d" -> "(known after apply)"
+        # (6 unchanged attribute hidden)
+    }
+
+  # local_file.string2json must be replaced
+-/+ local_file.string2json = {
+      ~ content = "some random string" -> jsonencode(
+            {
+              + key = "some random json"
+            }
+        ) # forces replacement
+      ~ content_base64sha256 = "Q0LgjQHySsRRvDu/9oZAhWO1wm04bQwYh5JE9eeXTX0=" -> "(known after apply)"
+      ~ content_base64sha512 = "eaxV3784RhIgGecPVkfZ+wZlola4sUqDaG/V8Hr+Y5LKG7a3UJ5UkF9VRA4UYOGmtnlGI0hcm7nVJeq2u1AGFw==" -> "(known after apply)"
+      ~ content_md5 = "76712b27e483bc0ba2ce8d2109210c22" -> "(known after apply)"
+      ~ content_sha1 = "8d7219cf3e6259b90b70d5b5e2d39b27f946e4b8" -> "(known after apply)"
+      ~ content_sha256 = "4342e08d01f24ac451bc3bbff686408563b5c26d386d0c18879244f5e7974d7d" -> "(known after apply)"
+      ~ content_sha512 = "79ac55dfbf3846122019e70f5647d9fb0665a256b8b14a83686fd5f07afe6392ca1bb6b7509e54905f55440e1460e1a6b6794623485c9bb9d525eab6bb500617" -> "(known after apply)"
+      ~ id = "8d7219cf3e6259b90b70d5b5e2d39b27f946e4b8" -> "(known after apply)"
+        # (6 unchanged attribute hidden)
+    }
+
   # null_resource.cluster must be replaced
 -/+ null_resource.cluster = {
-      ~ id = "7713440656663291188" -> "(known after apply)"
+      ~ id = "2582010537129087805" -> "(known after apply)"
         triggers = { # forces replacement
           ~ secret = "secure" -> "still secure"
         }
@@ -86,17 +120,17 @@ Changes to Resources:
     }
 
   - null_resource.cluster_old = {
-      - id = "342286906083046084"
+      - id = "6045924575212971352"
       - triggers = {
           - secret = "very very secure"
         }
     }
 
   ~ time_offset.example = {
-      ~ day = 2 -> 3
+      ~ day = 16 -> 17
       ~ offset_days = 7 -> 8
-      ~ rfc3339 = "2024-06-02T15:18:04Z" -> "2024-06-03T15:18:04Z"
-      ~ unix = 1717341484 -> 1717427884
+      ~ rfc3339 = "2024-08-16T06:48:48Z" -> "2024-08-17T06:48:48Z"
+      ~ unix = 1723790928 -> 1723877328
         # (13 unchanged attribute hidden)
     }