refactor: go1.16 required now, so drop support for go1.9 to go1.15

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.9.x, 1.10.x, 1.11.x, 1.12.x, 1.13.x, 1.14.x, 1.15.x, 1.16.x, 1.17.x, 1.18.x, tip]
+        go-version: [1.16.x, 1.17.x, 1.18.x, tip]
         full-tests: [false]
         include:
           - go-version: 1.19.x
@@ -41,7 +41,7 @@ jobs:
         if: matrix.full-tests
         run: |
           curl -sL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh |
-              sh -s -- -b $HOME/go/bin v1.49.0
+              sh -s -- -b $HOME/go/bin v1.50.0
           echo $PATH
           $HOME/go/bin/golangci-lint run --max-issues-per-linter 0 \
                                          --max-same-issues 0 \
@@ -71,16 +71,6 @@ jobs:
               GO_TEST_RACE_SAFE_FLAGS="$cover_flags-race-safe.out"
           fi
 
-          case ${{ matrix.go-version }} in
-              1.9.x | 1.10.x) # Before go 1.11, go modules are not available
-                  mkdir -p ../src/github.com/maxatome
-                  ln -s $(pwd) ../src/github.com/$GITHUB_REPOSITORY
-                  export GOPATH=$(dirname $(pwd))
-                  cd $GOPATH/src/github.com/$GITHUB_REPOSITORY
-                  go get -t ./...
-                  ;;
-          esac
-
           export GORACE="halt_on_error=1"
           echo "CLASSIC ==========================================="
           go test                  $GO_TEST_FLAGS           ./...

.golangci.yml

@@ -1,2 +1,2 @@
 run:
-  go: '1.9'
+  go: '1.16'

README.md

@@ -12,7 +12,7 @@ go-testdeep
 
 **Extremely flexible golang deep comparison, extends the go testing package.**
 
-Currently supports go 1.9 → 1.19.
+Currently supports go 1.16 → 1.19.
 
 - [Latest news](#latest-news)
 - [Synopsis](#synopsis)
@@ -203,7 +203,7 @@ details.**
 ## Installation
 
 ```sh
-$ go get -u github.com/maxatome/go-testdeep
+$ go get github.com/maxatome/go-testdeep
 ```
 
 

helpers/tdhttp/example_test.go

@@ -10,7 +10,7 @@ import (
 	"encoding/json"
 	"encoding/xml"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"net/url"
 	"strconv"
@@ -103,7 +103,7 @@ func Example() {
 				return
 			}
 		case "application/x-www-form-urlencoded":
-			b, err := ioutil.ReadAll(req.Body)
+			b, err := io.ReadAll(req.Body)
 			if err != nil {
 				http.Error(w, "Bad request", http.StatusBadRequest)
 				return

helpers/tdhttp/internal/response_test.go

@@ -8,7 +8,7 @@ package internal_test
 
 import (
 	"bytes"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"testing"
 
@@ -28,7 +28,7 @@ func newResponse(body string) *http.Response {
 			"A": []string{"foo"},
 			"B": []string{"bar"},
 		},
-		Body: ioutil.NopCloser(bytes.NewBufferString(body)),
+		Body: io.NopCloser(bytes.NewBufferString(body)),
 	}
 }
 

helpers/tdhttp/multipart_test.go

@@ -9,7 +9,6 @@ package tdhttp_test
 import (
 	"bytes"
 	"io"
-	"io/ioutil"
 	"mime/multipart"
 	"net/http"
 	"os"
@@ -38,7 +37,7 @@ func TestMultipartPart(t *testing.T) {
 	}
 
 	// Full empty
-	b, err := ioutil.ReadAll(&tdhttp.MultipartPart{})
+	b, err := io.ReadAll(&tdhttp.MultipartPart{})
 	assert.CmpNoError(err)
 	assert.Len(b, 0)
 
@@ -143,11 +142,11 @@ hey!
 yo!`)
 
 	// With file name
-	dir, err := ioutil.TempDir("", "multipart")
+	dir, err := os.MkdirTemp("", "multipart")
 	require.CmpNoError(err)
 	defer os.RemoveAll(dir)
 	filePath := filepath.Join(dir, "body.txt")
-	require.CmpNoError(ioutil.WriteFile(filePath, []byte("hey!\nyo!"), 0666))
+	require.CmpNoError(os.WriteFile(filePath, []byte("hey!\nyo!"), 0666))
 
 	check(tdhttp.NewMultipartPartFile("pipo", filePath),
 		`Content-Disposition: form-data; name="pipo"; filename="body.txt"%CR
@@ -165,7 +164,7 @@ hey!
 yo!`)
 
 	// Error during os.Open
-	_, err = ioutil.ReadAll(
+	_, err = io.ReadAll(
 		tdhttp.NewMultipartPartFile("pipo", filepath.Join(dir, "unknown.xxx")),
 	)
 	assert.CmpError(err)
@@ -174,11 +173,11 @@ yo!`)
 func TestMultipartBody(t *testing.T) {
 	assert, require := td.AssertRequire(t)
 
-	dir, err := ioutil.TempDir("", "multipart")
+	dir, err := os.MkdirTemp("", "multipart")
 	require.CmpNoError(err)
 	defer os.RemoveAll(dir)
 	filePath := filepath.Join(dir, "body.txt")
-	require.CmpNoError(ioutil.WriteFile(filePath, []byte("hey!\nyo!"), 0666))
+	require.CmpNoError(os.WriteFile(filePath, []byte("hey!\nyo!"), 0666))
 
 	for _, boundary := range []struct{ in, out string }{
 		{in: "", out: "go-testdeep-42"},
@@ -251,47 +250,47 @@ Content-Disposition: form-data; name="io"%CR
 		if assert.CmpNoError(err) {
 			assert.Cmp(part.FormName(), "pipo")
 			assert.Cmp(part.FileName(), "")
-			assert.Smuggle(part, ioutil.ReadAll, td.String("pipo!\nbingo!"))
+			assert.Smuggle(part, io.ReadAll, td.String("pipo!\nbingo!"))
 		}
 
 		// 1
 		part, err = rd.NextPart()
 		if assert.CmpNoError(err) {
 			assert.Cmp(part.FormName(), "file")
 			assert.Cmp(part.FileName(), "body.txt")
-			assert.Smuggle(part, ioutil.ReadAll, td.String("hey!\nyo!"))
+			assert.Smuggle(part, io.ReadAll, td.String("hey!\nyo!"))
 		}
 
 		// 2
 		part, err = rd.NextPart()
 		if assert.CmpNoError(err) {
 			assert.Cmp(part.FormName(), "string")
 			assert.Cmp(part.FileName(), "")
-			assert.Smuggle(part, ioutil.ReadAll, td.String("zip!\nzap!"))
+			assert.Smuggle(part, io.ReadAll, td.String("zip!\nzap!"))
 		}
 
 		// 3
 		part, err = rd.NextPart()
 		if assert.CmpNoError(err) {
 			assert.Cmp(part.FormName(), "bytes")
 			assert.Cmp(part.FileName(), "")
-			assert.Smuggle(part, ioutil.ReadAll, td.String(`{"ola":"hello"}`))
+			assert.Smuggle(part, io.ReadAll, td.String(`{"ola":"hello"}`))
 		}
 
 		// 4
 		part, err = rd.NextPart()
 		if assert.CmpNoError(err) {
 			assert.Cmp(part.FormName(), "io")
 			assert.Cmp(part.FileName(), "")
-			assert.Smuggle(part, ioutil.ReadAll, td.String(""))
+			assert.Smuggle(part, io.ReadAll, td.String(""))
 		}
 
 		// 5
 		part, err = rd.NextPart()
 		if assert.CmpNoError(err) {
 			assert.Cmp(part.FormName(), "")
 			assert.Cmp(part.FileName(), "")
-			assert.Smuggle(part, ioutil.ReadAll, td.String(""))
+			assert.Smuggle(part, io.ReadAll, td.String(""))
 		}
 
 		// EOF

helpers/tdhttp/request_test.go

@@ -7,7 +7,7 @@
 package tdhttp_test
 
 import (
-	"io/ioutil"
+	"io"
 	"net/http"
 	"net/url"
 	"testing"
@@ -251,7 +251,7 @@ func TestNewRequest(tt *testing.T) {
 			td.StructFields{
 				"URL": td.String("/path"),
 				"Body": td.Smuggle(
-					ioutil.ReadAll,
+					io.ReadAll,
 					[]byte("param1=val1&param1=val2&param2=zip"),
 				),
 			}))
@@ -336,7 +336,7 @@ func TestNewJSONRequest(tt *testing.T) {
 		t.String(req.Header.Get("Foo"), "Bar")
 		t.String(req.Header.Get("Zip"), "Test")
 
-		body, err := ioutil.ReadAll(req.Body)
+		body, err := io.ReadAll(req.Body)
 		if t.CmpNoError(err, "read request body") {
 			t.String(string(body), `{"name":"Bob"}`)
 		}
@@ -445,7 +445,7 @@ func TestNewXMLRequest(tt *testing.T) {
 		t.String(req.Header.Get("Foo"), "Bar")
 		t.String(req.Header.Get("Zip"), "Test")
 
-		body, err := ioutil.ReadAll(req.Body)
+		body, err := io.ReadAll(req.Body)
 		if t.CmpNoError(err, "read request body") {
 			t.String(string(body), `<TestStruct><name>Bob</name></TestStruct>`)
 		}

helpers/tdsuite/suite.go

@@ -24,10 +24,9 @@ var tType = reflect.TypeOf((*td.T)(nil))
 // tests suite, Setup method is called once before any test runs. If
 // Setup returns an error, the tests suite aborts: no tests are run.
 //
-// Starting go1.14, t.Cleanup() can be called in Setup method. It can
-// replace the definition of a [Destroy] method. It can also be used
-// together, in this case cleanup registered functions are called
-// after [Destroy].
+// t.Cleanup() can be called in Setup method. It can replace the
+// definition of a [Destroy] method. It can also be used together, in
+// this case cleanup registered functions are called after [Destroy].
 type Setup interface {
 	Setup(t *td.T) error
 }
@@ -37,10 +36,9 @@ type Setup interface {
 // itself. If PreTest returns an error, the subtest aborts: the test
 // is not run.
 //
-// Starting go1.14, t.Cleanup() can be called in PreTest method. It can
-// replace the definition of a [PostTest] method. It can also be used
-// together, in this case cleanup registered functions are called
-// after [PostTest].
+// t.Cleanup() can be called in PreTest method. It can replace the
+// definition of a [PostTest] method. It can also be used together, in
+// this case cleanup registered functions are called after [PostTest].
 type PreTest interface {
 	PreTest(t *td.T, testName string) error
 }