Write E2E test including api call

.github/workflows/ci-go.yml

@@ -16,6 +16,7 @@ on:
       - '**.go'
       - 'go.*'
       - 'testdata/**'
+  workflow_dispatch:
 
 jobs:
   build:

.github/workflows/ci-googleapi.yml

@@ -0,0 +1,21 @@
+name: 📡
+
+on:
+  # This test actually send request to Google API, so do not add frequently triggers as push/PR
+  schedule:
+    # Every 10:42 JST
+    # https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#schedule
+    - cron: '42 1 * * *'
+  workflow_dispatch:
+
+jobs:
+  test-actual-api:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: 'go.mod'
+          cache-dependency-path: 'go.sum'
+      - run: go test -tags=apitest ./...

.vscode/settings.json

@@ -15,5 +15,8 @@
         "command": ["nixpkgs-fmt"]
       }
     }
+  },
+  "gopls": {
+    "build.buildFlags": ["-tags=apitest"]
   }
 }

README.md

@@ -1,6 +1,7 @@
 # gwurl - "Google distributing Windows installer"'s URL
 
 [![CI - Go Status](https://github.com/kachick/gwurl/actions/workflows/ci-go.yml/badge.svg?branch=main)](https://github.com/kachick/gwurl/actions/workflows/ci-go.yml?query=branch%3Amain+)
+[![CI - E2E Status](https://github.com/kachick/gwurl/actions/workflows/ci-googleapi.yml/badge.svg?branch=main)](https://github.com/kachick/gwurl/actions/workflows/ci-googleapi.yml?query=branch%3Amain+)
 [![CI - Nix Status](https://github.com/kachick/gwurl/actions/workflows/ci-nix.yml/badge.svg?branch=main)](https://github.com/kachick/gwurl/actions/workflows/ci-nix.yml?query=branch%3Amain+)
 
 ## Usage

Taskfile.yml

@@ -19,6 +19,9 @@ tasks:
   test:
     cmds:
       - go test ./...
+  test-all:
+    cmds:
+      - go test -tags=apitest ./...
   fmt:
     cmds:
       - dprint fmt

internal/googleapi/googleapi.go

@@ -6,6 +6,8 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"net/url"
+	"slices"
 
 	"golang.org/x/xerrors"
 )
@@ -85,3 +87,23 @@ func PostGoogleAPI(apiOs GoogleApiOs, apiApp GoogleApiApp) (Response, error) {
 
 	return responseObject, nil
 }
+
+func GetPermalinks(resp Response) ([]string, error) {
+	installerActionIdx := slices.IndexFunc(resp.App.UpdateCheck.Manifest.Actions, func(a Action) bool {
+		return a.Event == "install"
+	})
+	if installerActionIdx < 0 {
+		return nil, xerrors.Errorf("api didn't return installer information: %v", installerActionIdx)
+	}
+	installerFilename := resp.App.UpdateCheck.Manifest.Actions[installerActionIdx].Run
+
+	permalinks := make([]string, 0, len(resp.App.UpdateCheck.Urls))
+	for _, u := range resp.App.UpdateCheck.Urls {
+		permalink, err := url.JoinPath(u.Codebase, installerFilename)
+		if err != nil {
+			return nil, xerrors.Errorf("Cannot build final link with the result: %w", err)
+		}
+		permalinks = append(permalinks, permalink)
+	}
+	return permalinks, nil
+}

internal/googleapi/googleapi_test.go

@@ -0,0 +1,104 @@
+//go:build apitest
+// +build apitest
+
+package googleapi
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	"github.com/google/go-cmp/cmp/cmpopts"
+)
+
+func TestPostGoogleAPI(t *testing.T) {
+	testCases := []struct {
+		description string
+		input       GoogleApiApp
+		want        []string
+		ok          bool
+	}{
+		{
+			description: "Google Japanese IME",
+			input: GoogleApiApp{
+				Appid: "{DDCCD2A9-025E-4142-BCEB-F467B88CF830}",
+				Ap:    "external-stable-universal",
+			},
+			want: []string{
+				"http://edgedl.me.gvt1.com/edgedl/release2/kjspmop3m4hu2sbbaotsynsgja_2.29.5370.0/GoogleJapaneseInput64-2.29.5370.0.msi",
+				"https://edgedl.me.gvt1.com/edgedl/release2/kjspmop3m4hu2sbbaotsynsgja_2.29.5370.0/GoogleJapaneseInput64-2.29.5370.0.msi",
+				"http://dl.google.com/release2/kjspmop3m4hu2sbbaotsynsgja_2.29.5370.0/GoogleJapaneseInput64-2.29.5370.0.msi",
+				"https://dl.google.com/release2/kjspmop3m4hu2sbbaotsynsgja_2.29.5370.0/GoogleJapaneseInput64-2.29.5370.0.msi",
+				"http://www.google.com/dl/release2/kjspmop3m4hu2sbbaotsynsgja_2.29.5370.0/GoogleJapaneseInput64-2.29.5370.0.msi",
+				"https://www.google.com/dl/release2/kjspmop3m4hu2sbbaotsynsgja_2.29.5370.0/GoogleJapaneseInput64-2.29.5370.0.msi",
+			},
+			ok: true,
+		},
+		{
+			description: "Google Chrome",
+			input: GoogleApiApp{
+				Appid: "{8A69D345-D564-463C-AFF1-A69D9E530F96}",
+				Ap:    "x64-stable-statsdef_1",
+			},
+			want: []string{
+				"http://edgedl.me.gvt1.com/edgedl/release2/chrome/adno2uyj7yhsdmrqsizskbq3um2q_122.0.6261.129/122.0.6261.129_chrome_installer.exe",
+				"https://edgedl.me.gvt1.com/edgedl/release2/chrome/adno2uyj7yhsdmrqsizskbq3um2q_122.0.6261.129/122.0.6261.129_chrome_installer.exe",
+				"http://dl.google.com/release2/chrome/adno2uyj7yhsdmrqsizskbq3um2q_122.0.6261.129/122.0.6261.129_chrome_installer.exe",
+				"https://dl.google.com/release2/chrome/adno2uyj7yhsdmrqsizskbq3um2q_122.0.6261.129/122.0.6261.129_chrome_installer.exe",
+				"http://www.google.com/dl/release2/chrome/adno2uyj7yhsdmrqsizskbq3um2q_122.0.6261.129/122.0.6261.129_chrome_installer.exe",
+				"https://www.google.com/dl/release2/chrome/adno2uyj7yhsdmrqsizskbq3um2q_122.0.6261.129/122.0.6261.129_chrome_installer.exe",
+			},
+			ok: true,
+		},
+		{
+			description: "Unknown Prams",
+			input: GoogleApiApp{
+				Appid: "foo",
+				Ap:    "bar",
+			},
+			want: nil,
+			ok:   false,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.description, func(t *testing.T) {
+			resp, err := PostGoogleAPI(GoogleApiOs{
+				Platform:     "win",
+				Version:      "10",
+				Architecture: "x64",
+			}, tc.input)
+			if err != nil {
+				if tc.ok {
+					t.Errorf("unexpected error happned: %v", err)
+					return
+				} else {
+					return
+				}
+			}
+
+			urls, err := GetPermalinks(resp)
+			if err != nil {
+				if tc.ok {
+					t.Errorf("unexpected error happned: %v", err)
+					return
+				} else {
+					return
+				}
+			}
+
+			if !tc.ok {
+				t.Errorf("expected error did not happen")
+				return
+			}
+
+			dictComp := func(a string, b string) bool {
+				return strings.Compare(a, b) == -1
+			}
+
+			if diff := cmp.Diff(tc.want, urls, cmpopts.SortSlices(dictComp)); diff != "" {
+				t.Errorf("wrong result: %s", diff)
+			}
+		})
+	}
+}