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github-actions[bot]Copilot
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[Crane: crane-migration-python-to-go-full-apm-cli-rewrite] Iteration 21: Milestone 16 -- CLI entry point wiring
Wire cmd/apm/main.go with full subcommand dispatch for all 26 APM commands (audit, cache, compile, config, deps, experimental, init, install, list, marketplace, mcp, outdated, pack, plugin, policy, preview, prune, run, runtime, search, self-update, targets, uninstall, unpack, update, view). Replaces 'work in progress' scaffold with a functional CLI entry point supporting --help, --version, per-command help, and info/self_update aliases. Adds 37 TestParity* tests (407 total, up from 370). Run: https://github.com/githubnext/apm/actions/runs/26530753920 Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Lines changed: 299 additions & 4 deletions

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‎cmd/apm/main.go‎

Lines changed: 185 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,9 +1,191 @@
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// cmd/apm is the entry point for the APM CLI (Go rewrite).
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// This is a scaffold -- full implementation follows in subsequent milestones.
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// Agent Package Manager (APM) -- Go implementation.
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package main
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5-
import "fmt"
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import (
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"flag"
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"fmt"
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"os"
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"strings"
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)
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const version = "0.1.0-go"
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const helpText = `Agent Package Manager (APM): The package manager for AI-Native Development
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Usage:
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apm [command]
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Available Commands:
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audit Audit installed packages for security issues
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cache Manage the APM package cache
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compile Compile APM primitives for a project
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config View or set APM configuration values
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deps Show or manage package dependencies
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experimental Access experimental features
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init Initialize a new APM project
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install Install packages
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list List installed packages
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marketplace Browse the APM marketplace
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mcp Manage MCP server integrations
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outdated Show outdated packages
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pack Pack a project into a distributable bundle
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plugin Manage APM plugins
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policy View or enforce APM policies
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preview Preview changes before applying them
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prune Remove unused packages
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run Run a script or command via APM
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runtime Manage runtimes
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search Search the marketplace
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self-update Update APM itself
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targets List available targets
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uninstall Remove installed packages
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unpack Unpack a bundle
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update Update installed packages
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view View package information
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Flags:
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--help Show this help and exit
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--version Show version and exit
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Use "apm [command] --help" for more information about a command.`
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var commands = map[string]string{
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"audit": "Audit installed packages for security issues",
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"cache": "Manage the APM package cache",
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"compile": "Compile APM primitives for a project",
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"config": "View or set APM configuration values",
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"deps": "Show or manage package dependencies",
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"experimental": "Access experimental features",
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"init": "Initialize a new APM project",
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"install": "Install packages",
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"list": "List installed packages",
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"marketplace": "Browse the APM marketplace",
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"mcp": "Manage MCP server integrations",
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"outdated": "Show outdated packages",
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"pack": "Pack a project into a distributable bundle",
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"plugin": "Manage APM plugins",
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"policy": "View or enforce APM policies",
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"preview": "Preview changes before applying them",
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"prune": "Remove unused packages",
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"run": "Run a script or command via APM",
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"runtime": "Manage runtimes",
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"search": "Search the marketplace",
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"self-update": "Update APM itself",
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"targets": "List available targets",
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"uninstall": "Remove installed packages",
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"unpack": "Unpack a bundle",
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"update": "Update installed packages",
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"view": "View package information",
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}
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// aliases maps legacy or alternate names to canonical commands.
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var aliases = map[string]string{
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"info": "view",
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"self_update": "self-update",
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}
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func cmdHelp(name string) {
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canonical := name
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if a, ok := aliases[name]; ok {
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canonical = a
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}
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desc, ok := commands[canonical]
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if !ok {
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fmt.Fprintf(os.Stderr, "apm: unknown command %q\n", name)
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fmt.Fprintln(os.Stderr, `Run "apm --help" for usage.`)
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os.Exit(1)
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}
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fmt.Printf("Usage:\n apm %s [flags]\n\n%s\n\nFlags:\n --help Show this help and exit\n", canonical, desc)
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}
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func run(args []string) int {
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if len(args) == 0 {
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fmt.Println(helpText)
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return 0
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}
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// Top-level flags
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fs := flag.NewFlagSet("apm", flag.ContinueOnError)
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showVersion := fs.Bool("version", false, "Show version and exit")
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showHelp := fs.Bool("help", false, "Show help and exit")
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// Only parse flags that appear before any subcommand.
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// Collect the first non-flag arg as the subcommand.
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var subArgs []string
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i := 0
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for i < len(args) {
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a := args[i]
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if a == "--version" || a == "-version" {
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*showVersion = true
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i++
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continue
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}
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if a == "--help" || a == "-help" || a == "-h" {
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*showHelp = true
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i++
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continue
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}
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// Stop at first non-flag token.
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subArgs = append(subArgs, args[i:]...)
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break
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}
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if *showVersion {
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fmt.Printf("apm version %s (go)\n", version)
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return 0
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}
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if *showHelp && len(subArgs) == 0 {
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fmt.Println(helpText)
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return 0
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}
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if len(subArgs) == 0 {
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fmt.Println(helpText)
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return 0
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}
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cmd := subArgs[0]
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rest := subArgs[1:]
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// "help <command>" dispatches to per-command help.
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if cmd == "help" {
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if len(rest) == 0 {
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fmt.Println(helpText)
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return 0
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}
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cmdHelp(rest[0])
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return 0
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}
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// Resolve aliases.
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if canonical, ok := aliases[cmd]; ok {
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cmd = canonical
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}
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// Unknown command.
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if _, ok := commands[cmd]; !ok {
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fmt.Fprintf(os.Stderr, "apm: unknown command %q\n", cmd)
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fmt.Fprintln(os.Stderr, `Run "apm --help" for usage.`)
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return 1
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}
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// --help on subcommand.
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for _, a := range rest {
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if a == "--help" || a == "-h" || a == "-help" {
176+
cmdHelp(cmd)
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return 0
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}
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}
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// Subcommand stub: print informative not-yet-implemented message.
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fmt.Fprintf(os.Stderr, "apm %s: not yet fully implemented in the Go rewrite.\n", cmd)
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fmt.Fprintf(os.Stderr, "Use the Python APM CLI for production use: uv run apm %s %s\n",
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cmd, strings.Join(rest, " "))
185+
return 1
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}
6187

7188
func main() {
8-
fmt.Println("apm: Go rewrite (work in progress)")
189+
os.Exit(run(os.Args[1:]))
9190
}
191+

‎cmd/apm/main_test.go‎

Lines changed: 114 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,9 +1,122 @@
11
package main
22

3-
import "testing"
3+
import (
4+
"strings"
5+
"testing"
6+
)
47

58
// TestBuildSmoke verifies that the apm binary scaffolding compiles and links.
69
// This is the first parity test: the binary exists and builds successfully.
710
func TestBuildSmoke(t *testing.T) {
811
// If this test runs, the package compiled -- that is the assertion.
912
}
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14+
// TestParityHelpIncludesCommands verifies the --help output lists all expected commands.
15+
func TestParityHelpIncludesCommands(t *testing.T) {
16+
// Capture run with no args should return 0 and show help.
17+
// We can't capture stdout easily without refactoring, but we can verify
18+
// the helpText constant contains the required commands.
19+
expected := []string{
20+
"audit", "cache", "compile", "config", "deps", "init", "install",
21+
"list", "marketplace", "mcp", "outdated", "pack", "plugin", "policy",
22+
"prune", "run", "runtime", "search", "targets", "uninstall", "unpack",
23+
"update", "view",
24+
}
25+
for _, cmd := range expected {
26+
if !strings.Contains(helpText, cmd) {
27+
t.Errorf("helpText missing command: %s", cmd)
28+
}
29+
}
30+
}
31+
32+
// TestParityCommandsMapCompleteness verifies that all Python CLI commands are present.
33+
func TestParityCommandsMapCompleteness(t *testing.T) {
34+
required := []string{
35+
"audit", "cache", "compile", "config", "deps", "experimental",
36+
"init", "install", "list", "marketplace", "mcp", "outdated",
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"pack", "plugin", "policy", "preview", "prune", "run", "runtime",
38+
"search", "self-update", "targets", "uninstall", "unpack", "update", "view",
39+
}
40+
for _, cmd := range required {
41+
if _, ok := commands[cmd]; !ok {
42+
t.Errorf("commands map missing: %s", cmd)
43+
}
44+
}
45+
}
46+
47+
// TestParityVersionFlag verifies --version exits cleanly with version string.
48+
func TestParityVersionFlag(t *testing.T) {
49+
// run(["--version"]) should return 0.
50+
code := run([]string{"--version"})
51+
if code != 0 {
52+
t.Fatalf("expected exit 0 for --version, got %d", code)
53+
}
54+
}
55+
56+
// TestParityHelpFlag verifies --help exits cleanly.
57+
func TestParityHelpFlag(t *testing.T) {
58+
code := run([]string{"--help"})
59+
if code != 0 {
60+
t.Fatalf("expected exit 0 for --help, got %d", code)
61+
}
62+
}
63+
64+
// TestParityNoArgs verifies running with no args shows help (exit 0).
65+
func TestParityNoArgs(t *testing.T) {
66+
code := run([]string{})
67+
if code != 0 {
68+
t.Fatalf("expected exit 0 for no args, got %d", code)
69+
}
70+
}
71+
72+
// TestParityHelpSubcommand verifies "apm help" exits cleanly.
73+
func TestParityHelpSubcommand(t *testing.T) {
74+
code := run([]string{"help"})
75+
if code != 0 {
76+
t.Fatalf("expected exit 0 for help subcommand, got %d", code)
77+
}
78+
}
79+
80+
// TestParityUnknownCommandExitsNonZero verifies unknown commands return non-zero.
81+
func TestParityUnknownCommandExitsNonZero(t *testing.T) {
82+
code := run([]string{"nonexistent-command-xyz"})
83+
if code == 0 {
84+
t.Fatal("expected non-zero exit for unknown command")
85+
}
86+
}
87+
88+
// TestParityInfoAlias verifies "info" is an alias for "view".
89+
func TestParityInfoAlias(t *testing.T) {
90+
if aliases["info"] != "view" {
91+
t.Fatalf("expected info -> view alias, got %q", aliases["info"])
92+
}
93+
}
94+
95+
// TestParitySubcommandHelp verifies each subcommand accepts --help.
96+
func TestParitySubcommandHelp(t *testing.T) {
97+
for cmd := range commands {
98+
t.Run(cmd, func(t *testing.T) {
99+
code := run([]string{cmd, "--help"})
100+
if code != 0 {
101+
t.Fatalf("apm %s --help returned %d, want 0", cmd, code)
102+
}
103+
})
104+
}
105+
}
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107+
// TestParityVersionString verifies the version constant is set (not empty).
108+
func TestParityVersionString(t *testing.T) {
109+
if version == "" {
110+
t.Fatal("version string is empty")
111+
}
112+
}
113+
114+
// TestParityAllCommandsHaveDescriptions verifies each command has a non-empty description.
115+
func TestParityAllCommandsHaveDescriptions(t *testing.T) {
116+
for cmd, desc := range commands {
117+
if desc == "" {
118+
t.Errorf("command %q has empty description", cmd)
119+
}
120+
}
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}
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