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package aitool
import (
"fmt"
"reflect"
"testing"
)
func TestChain(t *testing.T) {
t.Parallel()
tests := []struct {
name string
preferred string
want []Tool
}{
{
name: "default chain when empty",
want: []Tool{ToolOpencode, ToolHexAI, ToolClaude, ToolAmp},
},
{
name: "default chain when opencode",
preferred: "opencode",
want: []Tool{ToolOpencode, ToolHexAI, ToolClaude, ToolAmp},
},
{
name: "hexai chain",
preferred: "hexai",
want: []Tool{ToolHexAI, ToolClaude, ToolAmp},
},
{
name: "claude alias chain",
preferred: "claude-code",
want: []Tool{ToolClaude, ToolAmp},
},
{
name: "amp only",
preferred: "amp",
want: []Tool{ToolAmp},
},
{
name: "unknown tool",
preferred: "unknown",
want: nil,
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
got := Chain(tt.preferred)
if !reflect.DeepEqual(got, tt.want) {
t.Fatalf("Chain(%q) = %#v, want %#v", tt.preferred, got, tt.want)
}
})
}
}
func TestFirstAvailable(t *testing.T) {
t.Parallel()
lookPath := fakeLookPath("claude", "amp")
got := FirstAvailable("", lookPath)
if got != ToolClaude {
t.Fatalf("FirstAvailable() = %q, want %q", got, ToolClaude)
}
}
func TestFirstAvailable_NoToolsFound(t *testing.T) {
t.Parallel()
got := FirstAvailable("", fakeLookPath())
if got != "" {
t.Fatalf("FirstAvailable() = %q, want empty", got)
}
}
func TestIsAvailable_OpencodeUsesOllamaBinary(t *testing.T) {
t.Parallel()
if !IsAvailable(ToolOpencode, fakeLookPath("ollama")) {
t.Fatal("expected opencode to be available when ollama exists")
}
if IsAvailable(ToolOpencode, fakeLookPath("opencode")) {
t.Fatal("expected opencode to be unavailable when only opencode binary exists")
}
}
func TestAvailableChain_FiltersUnavailableTools(t *testing.T) {
t.Parallel()
got := AvailableChain("", fakeLookPath("hexai", "amp"))
want := []Tool{ToolHexAI, ToolAmp}
if !reflect.DeepEqual(got, want) {
t.Fatalf("AvailableChain() = %#v, want %#v", got, want)
}
}
func fakeLookPath(tools ...string) LookPathFunc {
available := make(map[string]struct{}, len(tools))
for _, tool := range tools {
available[tool] = struct{}{}
}
return func(file string) (string, error) {
if _, ok := available[file]; ok {
return "/usr/bin/" + file, nil
}
return "", fmt.Errorf("%s not found", file)
}
}
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