diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 0e06201..5c13d17 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -7,194 +7,36 @@ on:
     branches: [main]
 
 jobs:
-  test-pull-request:
+  list-files:
     runs-on: ubuntu-latest
+    outputs:
+      files: ${{env.FILES}}
     steps:
       - uses: actions/checkout@v3
-      - uses: ./
+      - uses: actions/setup-go@v3
         with:
-          data: |
-            {
-              "event_name": "pull_request",
-              "event": {
-                "number": 149,
-                "sender": {
-                  "login": "suzuki-shunsuke"
-                },
-                "repository": {
-                  "full_name": "gha-trigger/gha-trigger",
-                  "name": "gha-trigger",
-                  "owner": {
-                    "login": "gha-trigger"
-                  }
-                },
-                "pull_request": {
-                  "base": {
-                    "ref": "main"
-                  },
-                  "head": {
-                    "sha": "b6d8f3331c6845997b9408163a127e01fd32c120",
-                    "ref": "renovate/github.com-aws-aws-sdk-go-1.x"
-                  },
-                  "html_url": "https://github.com/gha-trigger/step-summary-action/pull/9"
-                }
-              },
-              "pull_request": {
-                "merge_commit_sha": "4528ea7ab7a8eef7e596097934a78eab90fb8b33",
-                "base": {
-                  "ref": "main"
-                },
-                "head": {
-                  "sha": "b6d8f3331c6845997b9408163a127e01fd32c120",
-                  "ref": "renovate/github.com-aws-aws-sdk-go-1.x"
-                },
-                "html_url": "https://github.com/gha-trigger/step-summary-action/pull/9"
-              }
-            }
-      - name: Test GHA_ACTOR
-        run: |
-          [ "$GHA_ACTOR" = suzuki-shunsuke ]
-      - name: Test GHA_EVENT_NAME
-        run: |
-          [ "$GHA_EVENT_NAME" = pull_request ]
-      - name: Test GHA_REPOSITORY
-        run: |
-          [ "$GHA_REPOSITORY" = gha-trigger/gha-trigger ]
-      - name: Test GHA_REPOSITORY_OWNER
-        run: |
-          [ "$GHA_REPOSITORY_OWNER" = gha-trigger ]
-      - name: Test GHA_REPOSITORY_NAME
-        run: |
-          [ "$GHA_REPOSITORY_NAME" = gha-trigger ]
-      - name: Test GHA_SHA
-        run: |
-          [ "$GHA_SHA" = 4528ea7ab7a8eef7e596097934a78eab90fb8b33 ]
-      - name: Test GHA_COMMIT_STATUS_SHA
-        run: |
-          [ "$GHA_COMMIT_STATUS_SHA" = b6d8f3331c6845997b9408163a127e01fd32c120 ]
-      - name: Test GHA_BASE_REF
-        run: |
-          [ "$GHA_BASE_REF" = main ]
-      - name: Test GHA_HEAD_SHA
-        run: |
-          [ "$GHA_HEAD_SHA" = b6d8f3331c6845997b9408163a127e01fd32c120 ]
-      - name: Test GHA_REF
-        run: |
-          [ "$GHA_REF" = refs/pull/149/merge ]
-      - name: Test GHA_REF_NAME
-        run: |
-          [ "$GHA_REF_NAME" = 149/merge ]
-      - name: Test GHA_PULL_REQUEST_NUMBER
-        run: |
-          [ "$GHA_PULL_REQUEST_NUMBER" = 149 ]
-      - name: Test GHA_ENV
-        run: |
-          [ -n "$GHA_ENV" ]
-  test-push:
+          go-version: "1.19.1"
+          cache: true
+      - run: go run ./cmd/list
+
+  test:
     runs-on: ubuntu-latest
+    name: "test (${{matrix.file}})"
+    needs: list-files
+    env:
+      FILE: ${{matrix.file}}
+    strategy:
+      fail-fast: false
+      matrix:
+        file: ${{fromJSON(needs.list-files.outputs.files)}}
     steps:
       - uses: actions/checkout@v3
-      - uses: ./
+      - uses: actions/setup-go@v3
         with:
-          data: |
-            {
-              "event_name": "push",
-              "event": {
-                "ref": "refs/heads/renovate/github.com-aws-aws-sdk-go-1.x",
-                "sender": {
-                  "login": "suzuki-shunsuke"
-                },
-                "head_commit": {
-                  "id": "a705bd6d8bc3882c983477cb3f20ab74ef8c24c2"
-                },
-                "repository": {
-                  "full_name": "gha-trigger/gha-trigger",
-                  "name": "gha-trigger",
-                  "owner": {
-                    "login": "gha-trigger"
-                  }
-                }
-              }
-            }
-      - name: Test GHA_ACTOR
-        run: |
-          [ "$GHA_ACTOR" = suzuki-shunsuke ]
-      - name: Test GHA_EVENT_NAME
-        run: |
-          [ "$GHA_EVENT_NAME" = push ]
-      - name: Test GHA_REPOSITORY
-        run: |
-          [ "$GHA_REPOSITORY" = gha-trigger/gha-trigger ]
-      - name: Test GHA_REPOSITORY_OWNER
-        run: |
-          [ "$GHA_REPOSITORY_OWNER" = gha-trigger ]
-      - name: Test GHA_REPOSITORY_NAME
-        run: |
-          [ "$GHA_REPOSITORY_NAME" = gha-trigger ]
-      - name: Test GHA_SHA
-        run: |
-          [ "$GHA_SHA" = a705bd6d8bc3882c983477cb3f20ab74ef8c24c2 ]
-      - name: Test GHA_COMMIT_STATUS_SHA
-        run: |
-          [ "$GHA_COMMIT_STATUS_SHA" = a705bd6d8bc3882c983477cb3f20ab74ef8c24c2 ]
-      - name: Test GHA_REF
-        run: |
-          [ "$GHA_REF" = refs/heads/renovate/github.com-aws-aws-sdk-go-1.x ]
-      - name: Test GHA_REF_NAME
-        run: |
-          [ "$GHA_REF_NAME" = renovate/github.com-aws-aws-sdk-go-1.x ]
-      - name: Test GHA_ENV
-        run: |
-          [ -n "$GHA_ENV" ]
-  test-release:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
+          go-version: "1.19.1"
+          cache: true
+      - run: go run ./cmd/setter "$FILE"
       - uses: ./
         with:
-          data: |
-            {
-              "event_name": "release",
-              "event": {
-                "sender": {
-                  "login": "suzuki-shunsuke"
-                },
-                "release": {
-                  "tag_name": "v0.1.0"
-                },
-                "repository": {
-                  "full_name": "gha-trigger/gha-trigger",
-                  "name": "gha-trigger",
-                  "owner": {
-                    "login": "gha-trigger"
-                  }
-                }
-              }
-            }
-      - name: Test GHA_ACTOR
-        run: |
-          [ "$GHA_ACTOR" = suzuki-shunsuke ]
-      - name: Test GHA_EVENT_NAME
-        run: |
-          [ "$GHA_EVENT_NAME" = release ]
-      - name: Test GHA_REPOSITORY
-        run: |
-          [ "$GHA_REPOSITORY" = gha-trigger/gha-trigger ]
-      - name: Test GHA_REPOSITORY_OWNER
-        run: |
-          [ "$GHA_REPOSITORY_OWNER" = gha-trigger ]
-      - name: Test GHA_REPOSITORY_NAME
-        run: |
-          [ "$GHA_REPOSITORY_NAME" = gha-trigger ]
-      - name: Test GHA_SHA
-        run: |
-          [ "$GHA_SHA" = "" ]
-      - name: Test GHA_REF
-        run: |
-          [ "$GHA_REF" = v0.1.0 ]
-      - name: Test GHA_REF_NAME
-        run: |
-          [ "$GHA_REF_NAME" = v0.1.0 ]
-      - name: Test GHA_ENV
-        run: |
-          [ -n "$GHA_ENV" ]
+          data: ${{toJSON(fromJSON(env.DATA).data)}}
+      - run: go run ./cmd/tester "$FILE"
diff --git a/cmd/list/main.go b/cmd/list/main.go
new file mode 100644
index 0000000..477fa85
--- /dev/null
+++ b/cmd/list/main.go
@@ -0,0 +1,29 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"path/filepath"
+
+	"github.com/sethvargo/go-githubactions"
+)
+
+func main() {
+	if err := core(); err != nil {
+		log.Fatal(err)
+	}
+}
+
+func core() error {
+	files, err := filepath.Glob("testdata/*/*")
+	if err != nil {
+		return err
+	}
+	b, err := json.Marshal(files)
+	if err != nil {
+		return err
+	}
+
+	githubactions.SetEnv("FILES", string(b))
+	return nil
+}
diff --git a/cmd/setter/main.go b/cmd/setter/main.go
new file mode 100644
index 0000000..ff37154
--- /dev/null
+++ b/cmd/setter/main.go
@@ -0,0 +1,44 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"os"
+
+	"github.com/sethvargo/go-githubactions"
+	"gopkg.in/yaml.v3"
+)
+
+func main() {
+	if err := core(); err != nil {
+		log.Fatal(err)
+	}
+}
+
+type Config struct {
+	Envs map[string]string
+	Data interface{}
+}
+
+func core() error {
+	// read config file
+	// test envs
+	file := os.Args[1]
+	cfg := &Config{}
+	f, err := os.Open(file)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	if err := yaml.NewDecoder(f).Decode(cfg); err != nil {
+		return err
+	}
+
+	b, err := json.Marshal(cfg)
+	if err != nil {
+		return err
+	}
+
+	githubactions.SetEnv("DATA", string(b))
+	return nil
+}
diff --git a/cmd/tester/main.go b/cmd/tester/main.go
new file mode 100644
index 0000000..314ba98
--- /dev/null
+++ b/cmd/tester/main.go
@@ -0,0 +1,47 @@
+package main
+
+import (
+	"errors"
+	"log"
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
+
+func main() {
+	if err := core(); err != nil {
+		log.Fatal(err)
+	}
+}
+
+type Config struct {
+	Envs map[string]string
+	Data interface{}
+}
+
+func core() error {
+	// read config file
+	// test envs
+	file := os.Args[1]
+	cfg := &Config{}
+	f, err := os.Open(file)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	if err := yaml.NewDecoder(f).Decode(cfg); err != nil {
+		return err
+	}
+	failed := false
+	for envName, expValue := range cfg.Envs {
+		actValue := os.Getenv(envName)
+		if expValue != actValue {
+			log.Printf("[ERROR] the environment variable %s is wrong: wanted %s, got %s", envName, expValue, actValue)
+			failed = true
+		}
+	}
+	if failed {
+		return errors.New("[ERROR] Some environment variables are wrong")
+	}
+	return nil
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..ad34a8f
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,10 @@
+module github.com/gha-trigger/set-env-action
+
+go 1.19
+
+require (
+	github.com/sethvargo/go-githubactions v1.0.0
+	gopkg.in/yaml.v3 v3.0.1
+)
+
+require github.com/sethvargo/go-envconfig v0.6.0 // indirect
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..36f579c
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,9 @@
+github.com/google/go-cmp v0.4.1 h1:/exdXoGamhu5ONeUJH0deniYLWYvQwW66yvlfiiKTu0=
+github.com/sethvargo/go-envconfig v0.6.0 h1:GxxdoeiNpWgGiVEphNFNObgMYRN/ZvI2dN7rBwadyss=
+github.com/sethvargo/go-envconfig v0.6.0/go.mod h1:00S1FAhRUuTNJazWBWcJGvEHOM+NO6DhoRMAOX7FY5o=
+github.com/sethvargo/go-githubactions v1.0.0 h1:5mYGPNxIwIXaS8MLj4uYGWM8QM8giUVqA4FuSYOZjXE=
+github.com/sethvargo/go-githubactions v1.0.0/go.mod h1:UaidDD1ENTLXzTtj/4MnYjY40/5WLijgn2O8KBsdv7o=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/testdata/pull_request/normal.yaml b/testdata/pull_request/normal.yaml
new file mode 100644
index 0000000..3b66f75
--- /dev/null
+++ b/testdata/pull_request/normal.yaml
@@ -0,0 +1,31 @@
+envs:
+  GHA_ACTOR: suzuki-shunsuke
+  GHA_EVENT_NAME: pull_request
+  GHA_REPOSITORY: gha-trigger/gha-trigger
+  GHA_REPOSITORY_OWNER: gha-trigger
+  GHA_REPOSITORY_NAME: gha-trigger
+  GHA_SHA: 4528ea7ab7a8eef7e596097934a78eab90fb8b33
+  GHA_COMMIT_STATUS_SHA: b6d8f3331c6845997b9408163a127e01fd32c120
+  GHA_BASE_REF: main
+  GHA_HEAD_SHA: b6d8f3331c6845997b9408163a127e01fd32c120
+  GHA_REF: refs/pull/149/merge
+  GHA_REF_NAME: 149/merge
+  GHA_PULL_REQUEST_NUMBER: "149"
+data:
+  event_name: pull_request
+  event:
+    number: 149
+    sender:
+      login: suzuki-shunsuke
+    repository:
+      full_name: gha-trigger/gha-trigger
+      name: gha-trigger
+      owner:
+        login: gha-trigger
+  pull_request:
+    merge_commit_sha: 4528ea7ab7a8eef7e596097934a78eab90fb8b33
+    base:
+      ref: main
+    head:
+      sha: b6d8f3331c6845997b9408163a127e01fd32c120
+      ref: renovate/github.com-aws-aws-sdk-go-1.x
diff --git a/testdata/push/normal.yaml b/testdata/push/normal.yaml
new file mode 100644
index 0000000..1b90c92
--- /dev/null
+++ b/testdata/push/normal.yaml
@@ -0,0 +1,24 @@
+envs:
+  GHA_ACTOR: suzuki-shunsuke
+  GHA_EVENT_NAME: push
+  GHA_REPOSITORY: gha-trigger/gha-trigger
+  GHA_REPOSITORY_OWNER: gha-trigger
+  GHA_REPOSITORY_NAME: gha-trigger
+  GHA_SHA: a705bd6d8bc3882c983477cb3f20ab74ef8c24c2
+  GHA_COMMIT_STATUS_SHA: a705bd6d8bc3882c983477cb3f20ab74ef8c24c2
+  GHA_REF: refs/heads/renovate/github.com-aws-aws-sdk-go-1.x
+  GHA_REF_NAME: renovate/github.com-aws-aws-sdk-go-1.x
+
+data:
+  event_name: push
+  event:
+    ref: refs/heads/renovate/github.com-aws-aws-sdk-go-1.x
+    sender:
+      login: suzuki-shunsuke
+    head_commit:
+      id: a705bd6d8bc3882c983477cb3f20ab74ef8c24c2
+    repository:
+      full_name: gha-trigger/gha-trigger
+      name: gha-trigger
+      owner:
+        login: gha-trigger
diff --git a/testdata/release/normal.yaml b/testdata/release/normal.yaml
new file mode 100644
index 0000000..9f33075
--- /dev/null
+++ b/testdata/release/normal.yaml
@@ -0,0 +1,23 @@
+envs:
+  GHA_ACTOR: suzuki-shunsuke
+  GHA_EVENT_NAME: release
+  GHA_REPOSITORY: gha-trigger/gha-trigger
+  GHA_REPOSITORY_OWNER: gha-trigger
+  GHA_REPOSITORY_NAME: gha-trigger
+  GHA_SHA:
+  GHA_COMMIT_STATUS_SHA:
+  GHA_REF: v0.1.0
+  GHA_REF_NAME: v0.1.0
+
+data:
+  event_name: release
+  event:
+    sender:
+      login: suzuki-shunsuke
+    release:
+      tag_name: v0.1.0
+    repository:
+      full_name: gha-trigger/gha-trigger
+      name: gha-trigger
+      owner:
+        login: gha-trigger