Remove hard-coded versions from integration tests (#835)

Author: wata727

integration/cty-based-eval/result.json renamed to integration/cty-based-eval/result.json.tmpl

@@ -4,7 +4,7 @@
       "rule": {
         "name": "aws_resource_missing_tags",
         "severity": "info",
-        "link": "https://github.com/terraform-linters/tflint-ruleset-aws/blob/v0.37.0/docs/rules/aws_resource_missing_tags.md"
+        "link": "https://github.com/terraform-linters/tflint-ruleset-aws/blob/v{{.Version}}/docs/rules/aws_resource_missing_tags.md"
       },
       "message": "The resource is missing the following tags: \"Environment\", \"Name\", \"Type\".",
       "range": {

integration/integration_test.go

@@ -3,15 +3,23 @@ package integration
 import (
 	"bytes"
 	"encoding/json"
+	"fmt"
 	"os"
 	"os/exec"
 	"path/filepath"
 	"runtime"
+	"strings"
 	"testing"
+	"text/template"
 
 	"github.com/google/go-cmp/cmp"
+	"github.com/terraform-linters/tflint-ruleset-aws/project"
 )
 
+type meta struct {
+	Version string
+}
+
 func TestIntegration(t *testing.T) {
 	cases := []struct {
 		Name    string
@@ -96,19 +104,13 @@ func TestIntegration(t *testing.T) {
 				t.Fatalf("%s, stdout=%s stderr=%s", err, stdout.String(), stderr.String())
 			}
 
-			var b []byte
-			var err error
-			if runtime.GOOS == "windows" && IsWindowsResultExist() {
-				b, err = os.ReadFile(filepath.Join(testDir, "result_windows.json"))
-			} else {
-				b, err = os.ReadFile(filepath.Join(testDir, "result.json"))
-			}
+			rawWant, err := readResultFile(testDir)
 			if err != nil {
 				t.Fatal(err)
 			}
 
-			var expected interface{}
-			if err := json.Unmarshal(b, &expected); err != nil {
+			var want interface{}
+			if err := json.Unmarshal(rawWant, &want); err != nil {
 				t.Fatal(err)
 			}
 
@@ -117,14 +119,32 @@ func TestIntegration(t *testing.T) {
 				t.Fatal(err)
 			}
 
-			if diff := cmp.Diff(got, expected); diff != "" {
+			if diff := cmp.Diff(got, want); diff != "" {
 				t.Fatal(diff)
 			}
 		})
 	}
 }
 
-func IsWindowsResultExist() bool {
-	_, err := os.Stat("result_windows.json")
-	return !os.IsNotExist(err)
+func readResultFile(dir string) ([]byte, error) {
+	resultFile := "result.json"
+	if runtime.GOOS == "windows" {
+		if _, err := os.Stat(filepath.Join(dir, "result_windows.json")); !os.IsNotExist(err) {
+			resultFile = "result_windows.json"
+		}
+	}
+	if _, err := os.Stat(fmt.Sprintf("%s.tmpl", resultFile)); !os.IsNotExist(err) {
+		resultFile = fmt.Sprintf("%s.tmpl", resultFile)
+	}
+
+	if !strings.HasSuffix(resultFile, ".tmpl") {
+		return os.ReadFile(filepath.Join(dir, resultFile))
+	}
+
+	want := new(bytes.Buffer)
+	tmpl := template.Must(template.ParseFiles(filepath.Join(dir, resultFile)))
+	if err := tmpl.Execute(want, meta{Version: project.Version}); err != nil {
+		return nil, err
+	}
+	return want.Bytes(), nil
 }

integration/map-attribute/result.json renamed to integration/map-attribute/result.json.tmpl

@@ -4,7 +4,7 @@
       "rule": {
         "name": "aws_resource_missing_tags",
         "severity": "info",
-        "link": "https://github.com/terraform-linters/tflint-ruleset-aws/blob/v0.37.0/docs/rules/aws_resource_missing_tags.md"
+        "link": "https://github.com/terraform-linters/tflint-ruleset-aws/blob/v{{.Version}}/docs/rules/aws_resource_missing_tags.md"
       },
       "message": "The resource is missing the following tags: \"Environment\", \"Name\", \"Type\".",
       "range": {

integration/rule-config/result.json renamed to integration/rule-config/result.json.tmpl

@@ -4,7 +4,7 @@
       "rule": {
         "name": "aws_s3_bucket_name",
         "severity": "error",
-        "link": "https://github.com/terraform-linters/tflint-ruleset-aws/blob/v0.37.0/docs/rules/aws_s3_bucket_name.md"
+        "link": "https://github.com/terraform-linters/tflint-ruleset-aws/blob/v{{.Version}}/docs/rules/aws_s3_bucket_name.md"
       },
       "message": "Bucket name \"foo_bar\" does not match regex \"^[a-z\\-]+$\"",
       "range": {
@@ -24,7 +24,7 @@
       "rule": {
         "name": "aws_s3_bucket_name",
         "severity": "error",
-        "link": "https://github.com/terraform-linters/tflint-ruleset-aws/blob/v0.37.0/docs/rules/aws_s3_bucket_name.md"
+        "link": "https://github.com/terraform-linters/tflint-ruleset-aws/blob/v{{.Version}}/docs/rules/aws_s3_bucket_name.md"
       },
       "message": "Bucket names can consist only of lowercase letters, numbers, dots (.), and hyphens (-). (name: \"foo_bar\", regex: \"[^a-z0-9\\\\.\\\\-]\")",
       "range": {