chore(tutorials): go mod tidy and add regression tests

tutorials/basics/main_test.go

@@ -0,0 +1,69 @@
+package main
+
+import (
+	"strings"
+	"testing"
+
+	tea "charm.land/bubbletea/v2"
+)
+
+func TestBasicsModel(t *testing.T) {
+	m := initialModel()
+	if len(m.choices) == 0 {
+		t.Fatal("expected non-empty initial choices")
+	}
+	if m.cursor != 0 {
+		t.Fatalf("expected initial cursor 0, got %d", m.cursor)
+	}
+	if m.Init() != nil {
+		t.Fatal("expected nil Init command")
+	}
+
+	// Move cursor down
+	res, _ := m.Update(tea.KeyPressMsg{Text: "down"})
+	m = res.(model)
+	if m.cursor != 1 {
+		t.Fatalf("expected cursor 1 after down, got %d", m.cursor)
+	}
+
+	// Toggle selection on item 1
+	res, _ = m.Update(tea.KeyPressMsg{Text: "enter"})
+	m = res.(model)
+	if _, ok := m.selected[1]; !ok {
+		t.Fatal("expected item 1 to be selected")
+	}
+
+	// Move cursor up
+	res, _ = m.Update(tea.KeyPressMsg{Text: "up"})
+	m = res.(model)
+	if m.cursor != 0 {
+		t.Fatalf("expected cursor 0 after up, got %d", m.cursor)
+	}
+
+	// Toggle selection off on item 1
+	res, _ = m.Update(tea.KeyPressMsg{Text: "down"})
+	m = res.(model)
+	res, _ = m.Update(tea.KeyPressMsg{Text: "enter"})
+	m = res.(model)
+	if _, ok := m.selected[1]; ok {
+		t.Fatal("expected item 1 to be deselected")
+	}
+
+	// Quit command
+	_, cmd := m.Update(tea.KeyPressMsg{Text: "q"})
+	if cmd == nil {
+		t.Fatal("expected non-nil quit command")
+	}
+	if _, ok := cmd().(tea.QuitMsg); !ok {
+		t.Fatalf("expected QuitMsg from quit command, got %T", cmd())
+	}
+
+	// View output
+	view := m.View()
+	if !strings.Contains(view.Content, "What should we buy at the market?") {
+		t.Fatalf("expected title in view content, got %q", view.Content)
+	}
+	if view.WindowTitle != "Grocery List" {
+		t.Fatalf("expected window title %q, got %q", "Grocery List", view.WindowTitle)
+	}
+}

tutorials/commands/main_test.go

@@ -0,0 +1,66 @@
+package main
+
+import (
+	"errors"
+	"strings"
+	"testing"
+
+	tea "charm.land/bubbletea/v2"
+)
+
+func TestCommandsModel(t *testing.T) {
+	m := model{}
+
+	// Verify Init returns checkServer command
+	if m.Init() == nil {
+		t.Fatal("expected non-nil Init command")
+	}
+
+	// Update with statusMsg
+	res, cmd := m.Update(statusMsg(200))
+	m = res.(model)
+	if m.status != 200 {
+		t.Fatalf("expected status 200, got %d", m.status)
+	}
+	if cmd == nil {
+		t.Fatal("expected quit command on statusMsg")
+	}
+	if _, ok := cmd().(tea.QuitMsg); !ok {
+		t.Fatalf("expected QuitMsg, got %T", cmd())
+	}
+
+	// View with success status
+	view := m.View()
+	if !strings.Contains(view.Content, "200 OK!") {
+		t.Fatalf("expected status text in view content, got %q", view.Content)
+	}
+
+	// Update with errMsg
+	testErr := errors.New("connection failed")
+	res, cmd = m.Update(errMsg{err: testErr})
+	m = res.(model)
+	if m.err == nil || m.err.Error() != "connection failed" {
+		t.Fatalf("expected error message, got %v", m.err)
+	}
+	if cmd == nil {
+		t.Fatal("expected quit command on errMsg")
+	}
+	if _, ok := cmd().(tea.QuitMsg); !ok {
+		t.Fatalf("expected QuitMsg, got %T", cmd())
+	}
+
+	// View with error
+	view = m.View()
+	if !strings.Contains(view.Content, "We had some trouble: connection failed") {
+		t.Fatalf("expected error description in view content, got %q", view.Content)
+	}
+
+	// Key Ctrl+C
+	_, cmd = m.Update(tea.KeyPressMsg{Code: 'c', Mod: tea.ModCtrl})
+	if cmd == nil {
+		t.Fatal("expected quit command on Ctrl+C")
+	}
+	if _, ok := cmd().(tea.QuitMsg); !ok {
+		t.Fatalf("expected QuitMsg, got %T", cmd())
+	}
+}

tutorials/go.mod

@@ -1,29 +1,26 @@
 module tutorial
 
-go 1.24.2
-
-toolchain go1.24.10
+go 1.26.0
 
 require charm.land/bubbletea/v2 v2.0.0-00010101000000-000000000000
 
 require (
-	github.com/charmbracelet/colorprofile v0.4.1 // indirect
-	github.com/charmbracelet/ultraviolet v0.0.0-20260205113103-524a6607adb8 // indirect
-	github.com/charmbracelet/x/ansi v0.11.6 // indirect
+	github.com/charmbracelet/colorprofile v0.4.3 // indirect
+	github.com/charmbracelet/ultraviolet v0.0.0-20260703014108-f5a850f9c2b7 // indirect
+	github.com/charmbracelet/x/ansi v0.11.7 // indirect
 	github.com/charmbracelet/x/term v0.2.2 // indirect
 	github.com/charmbracelet/x/termios v0.1.1 // indirect
 	github.com/charmbracelet/x/windows v0.2.2 // indirect
-	github.com/clipperhouse/displaywidth v0.9.0 // indirect
-	github.com/clipperhouse/stringish v0.1.1 // indirect
-	github.com/clipperhouse/uax29/v2 v2.5.0 // indirect
-	github.com/lucasb-eyer/go-colorful v1.3.0 // indirect
-	github.com/mattn/go-runewidth v0.0.19 // indirect
+	github.com/clipperhouse/displaywidth v0.11.0 // indirect
+	github.com/clipperhouse/uax29/v2 v2.7.0 // indirect
+	github.com/lucasb-eyer/go-colorful v1.4.0 // indirect
+	github.com/mattn/go-runewidth v0.0.23 // indirect
 	github.com/muesli/cancelreader v0.2.2 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
 	golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
-	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/sys v0.40.0 // indirect
+	golang.org/x/sync v0.21.0 // indirect
+	golang.org/x/sys v0.46.0 // indirect
 )
 
 replace charm.land/bubbletea/v2 => ../

tutorials/go.sum

@@ -1,11 +1,11 @@
 github.com/aymanbagabas/go-udiff v0.2.0 h1:TK0fH4MteXUDspT88n8CKzvK0X9O2xu9yQjWpi6yML8=
 github.com/aymanbagabas/go-udiff v0.2.0/go.mod h1:RE4Ex0qsGkTAJoQdQQCA0uG+nAzJO/pI/QwceO5fgrA=
-github.com/charmbracelet/colorprofile v0.4.1 h1:a1lO03qTrSIRaK8c3JRxJDZOvhvIeSco3ej+ngLk1kk=
-github.com/charmbracelet/colorprofile v0.4.1/go.mod h1:U1d9Dljmdf9DLegaJ0nGZNJvoXAhayhmidOdcBwAvKk=
-github.com/charmbracelet/ultraviolet v0.0.0-20260205113103-524a6607adb8 h1:eyFRbAmexyt43hVfeyBofiGSEmJ7krjLOYt/9CF5NKA=
-github.com/charmbracelet/ultraviolet v0.0.0-20260205113103-524a6607adb8/go.mod h1:SQpCTRNBtzJkwku5ye4S3HEuthAlGy2n9VXZnWkEW98=
-github.com/charmbracelet/x/ansi v0.11.6 h1:GhV21SiDz/45W9AnV2R61xZMRri5NlLnl6CVF7ihZW8=
-github.com/charmbracelet/x/ansi v0.11.6/go.mod h1:2JNYLgQUsyqaiLovhU2Rv/pb8r6ydXKS3NIttu3VGZQ=
+github.com/charmbracelet/colorprofile v0.4.3 h1:QPa1IWkYI+AOB+fE+mg/5/4HRMZcaXex9t5KX76i20Q=
+github.com/charmbracelet/colorprofile v0.4.3/go.mod h1:/zT4BhpD5aGFpqQQqw7a+VtHCzu+zrQtt1zhMt9mR4Q=
+github.com/charmbracelet/ultraviolet v0.0.0-20260703014108-f5a850f9c2b7 h1:3FmWoGNWK4STvqg0O0Aeav2T7rodWJAPeF0QpH+8gFw=
+github.com/charmbracelet/ultraviolet v0.0.0-20260703014108-f5a850f9c2b7/go.mod h1:f/jRa757WUmaOZrbPspXymbg/GnbF+rwe4OLsG7aXYo=
+github.com/charmbracelet/x/ansi v0.11.7 h1:kzv1kJvjg2S3r9KHo8hDdHFQLEqn4RBCb39dAYC84jI=
+github.com/charmbracelet/x/ansi v0.11.7/go.mod h1:9qGpnAVYz+8ACONkZBUWPtL7lulP9No6p1epAihUZwQ=
 github.com/charmbracelet/x/exp/golden v0.0.0-20241212170349-ad4b7ae0f25f h1:UytXHv0UxnsDFmL/7Z9Q5SBYPwSuRLXHbwx+6LycZ2w=
 github.com/charmbracelet/x/exp/golden v0.0.0-20241212170349-ad4b7ae0f25f/go.mod h1:wDlXFlCrmJ8J+swcL/MnGUuYnqgQdW9rhSD61oNMb6U=
 github.com/charmbracelet/x/term v0.2.2 h1:xVRT/S2ZcKdhhOuSP4t5cLi5o+JxklsoEObBSgfgZRk=
@@ -14,16 +14,14 @@ github.com/charmbracelet/x/termios v0.1.1 h1:o3Q2bT8eqzGnGPOYheoYS8eEleT5ZVNYNy8
 github.com/charmbracelet/x/termios v0.1.1/go.mod h1:rB7fnv1TgOPOyyKRJ9o+AsTU/vK5WHJ2ivHeut/Pcwo=
 github.com/charmbracelet/x/windows v0.2.2 h1:IofanmuvaxnKHuV04sC0eBy/smG6kIKrWG2/jYn2GuM=
 github.com/charmbracelet/x/windows v0.2.2/go.mod h1:/8XtdKZzedat74NQFn0NGlGL4soHB0YQZrETF96h75k=
-github.com/clipperhouse/displaywidth v0.9.0 h1:Qb4KOhYwRiN3viMv1v/3cTBlz3AcAZX3+y9OLhMtAtA=
-github.com/clipperhouse/displaywidth v0.9.0/go.mod h1:aCAAqTlh4GIVkhQnJpbL0T/WfcrJXHcj8C0yjYcjOZA=
-github.com/clipperhouse/stringish v0.1.1 h1:+NSqMOr3GR6k1FdRhhnXrLfztGzuG+VuFDfatpWHKCs=
-github.com/clipperhouse/stringish v0.1.1/go.mod h1:v/WhFtE1q0ovMta2+m+UbpZ+2/HEXNWYXQgCt4hdOzA=
-github.com/clipperhouse/uax29/v2 v2.5.0 h1:x7T0T4eTHDONxFJsL94uKNKPHrclyFI0lm7+w94cO8U=
-github.com/clipperhouse/uax29/v2 v2.5.0/go.mod h1:Wn1g7MK6OoeDT0vL+Q0SQLDz/KpfsVRgg6W7ihQeh4g=
-github.com/lucasb-eyer/go-colorful v1.3.0 h1:2/yBRLdWBZKrf7gB40FoiKfAWYQ0lqNcbuQwVHXptag=
-github.com/lucasb-eyer/go-colorful v1.3.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
-github.com/mattn/go-runewidth v0.0.19 h1:v++JhqYnZuu5jSKrk9RbgF5v4CGUjqRfBm05byFGLdw=
-github.com/mattn/go-runewidth v0.0.19/go.mod h1:XBkDxAl56ILZc9knddidhrOlY5R/pDhgLpndooCuJAs=
+github.com/clipperhouse/displaywidth v0.11.0 h1:lBc6kY44VFw+TDx4I8opi/EtL9m20WSEFgwIwO+UVM8=
+github.com/clipperhouse/displaywidth v0.11.0/go.mod h1:bkrFNkf81G8HyVqmKGxsPufD3JhNl3dSqnGhOoSD/o0=
+github.com/clipperhouse/uax29/v2 v2.7.0 h1:+gs4oBZ2gPfVrKPthwbMzWZDaAFPGYK72F0NJv2v7Vk=
+github.com/clipperhouse/uax29/v2 v2.7.0/go.mod h1:EFJ2TJMRUaplDxHKj1qAEhCtQPW2tJSwu5BF98AuoVM=
+github.com/lucasb-eyer/go-colorful v1.4.0 h1:UtrWVfLdarDgc44HcS7pYloGHJUjHV/4FwW4TvVgFr4=
+github.com/lucasb-eyer/go-colorful v1.4.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
+github.com/mattn/go-runewidth v0.0.23 h1:7ykA0T0jkPpzSvMS5i9uoNn2Xy3R383f9HDx3RybWcw=
+github.com/mattn/go-runewidth v0.0.23/go.mod h1:XBkDxAl56ILZc9knddidhrOlY5R/pDhgLpndooCuJAs=
 github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELUXHmA=
 github.com/muesli/cancelreader v0.2.2/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
 github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
@@ -32,7 +30,7 @@ github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavM
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
-golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
-golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
-golang.org/x/sys v0.40.0 h1:DBZZqJ2Rkml6QMQsZywtnjnnGvHza6BTfYFWY9kjEWQ=
-golang.org/x/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sync v0.21.0 h1:HLII4xRRTtCRkxYp4HNFF0Js/Og6q2i++KXbg0gHCwM=
+golang.org/x/sync v0.21.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
+golang.org/x/sys v0.46.0 h1:noSf2Fq6F8DBgS+LysIkx7rIExoNHJsxOAtPp4rthXw=
+golang.org/x/sys v0.46.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=