package pluginstore import (	"crypto/sha256"	"encoding/hex"	"strings"	"testing") func TestSelectReleaseAssets(t *testing.T) {	t.Parallel() 	release := Release{Assets: []ReleaseAsset{		{Name: "sample-provider_0.1.0_darwin_arm64.zip", BrowserDownloadURL: "https://example.com/sample-provider.zip"},		{Name: "checksums.txt", BrowserDownloadURL: "https://example.com/checksums.txt"},	}}	archiveAsset, checksumAsset, errSelect := SelectReleaseAssets(release, "sample-provider", "0.1.0", "darwin", "arm64")	if errSelect != nil {		t.Fatalf("SelectReleaseAssets() error = %v", errSelect)	}	if archiveAsset.BrowserDownloadURL != "https://example.com/sample-provider.zip" {		t.Fatalf("archive URL = %q", archiveAsset.BrowserDownloadURL)	}	if checksumAsset.BrowserDownloadURL != "https://example.com/checksums.txt" {		t.Fatalf("checksum URL = %q", checksumAsset.BrowserDownloadURL)	}} func TestSelectReleaseAssetsRejectsMissingAssets(t *testing.T) {	t.Parallel() 	tests := []struct {		name    string		release Release		wantErr string	}{		{			name: "missing zip",			release: Release{Assets: []ReleaseAsset{				{Name: "checksums.txt", BrowserDownloadURL: "https://example.com/checksums.txt"},			}},			wantErr: "sample-provider_0.1.0_darwin_arm64.zip",		},		{			name: "missing checksum",			release: Release{Assets: []ReleaseAsset{				{Name: "sample-provider_0.1.0_darwin_arm64.zip", BrowserDownloadURL: "https://example.com/sample-provider.zip"},			}},			wantErr: "checksums.txt",		},	}	for _, tt := range tests {		t.Run(tt.name, func(t *testing.T) {			t.Parallel() 			_, _, errSelect := SelectReleaseAssets(tt.release, "sample-provider", "0.1.0", "darwin", "arm64")			if errSelect == nil {				t.Fatal("SelectReleaseAssets() error = nil")			}			if !strings.Contains(errSelect.Error(), tt.wantErr) {				t.Fatalf("SelectReleaseAssets() error = %v, want substring %q", errSelect, tt.wantErr)			}		})	}} func TestReleaseVersion(t *testing.T) {	t.Parallel() 	tests := []struct {		name    string		tagName string		want    string		wantErr bool	}{		{name: "v prefix", tagName: "v1.2.3", want: "1.2.3"},		{name: "no prefix", tagName: "0.1.0", want: "0.1.0"},		{name: "whitespace", tagName: " v2.0.0 ", want: "2.0.0"},		{name: "empty", tagName: "", wantErr: true},		{name: "non numeric", tagName: "latest", wantErr: true},	}	for _, tt := range tests {		t.Run(tt.name, func(t *testing.T) {			t.Parallel() 			version, errVersion := ReleaseVersion(Release{TagName: tt.tagName})			if tt.wantErr {				if errVersion == nil {					t.Fatalf("ReleaseVersion(%q) error = nil", tt.tagName)				}				return			}			if errVersion != nil {				t.Fatalf("ReleaseVersion(%q) error = %v", tt.tagName, errVersion)			}			if version != tt.want {				t.Fatalf("ReleaseVersion(%q) = %q, want %q", tt.tagName, version, tt.want)			}		})	}} func TestParseChecksumsAndVerifyChecksum(t *testing.T) {	t.Parallel() 	data := []byte("zip-data")	sum := sha256.Sum256(data)	checksumText := hex.EncodeToString(sum[:]) + "  sample-provider_0.1.0_darwin_arm64.zip\n"	checksums, errParse := ParseChecksums([]byte(checksumText))	if errParse != nil {		t.Fatalf("ParseChecksums() error = %v", errParse)	}	if errVerify := VerifyChecksum("sample-provider_0.1.0_darwin_arm64.zip", data, checksums); errVerify != nil {		t.Fatalf("VerifyChecksum() error = %v", errVerify)	}} func TestVerifyChecksumRejectsMissingAndMismatch(t *testing.T) {	t.Parallel() 	sum := sha256.Sum256([]byte("zip-data"))	checksums := map[string]string{"sample-provider.zip": hex.EncodeToString(sum[:])}	if errVerify := VerifyChecksum("missing.zip", []byte("zip-data"), checksums); errVerify == nil {		t.Fatal("VerifyChecksum() missing checksum error = nil")	}	if errVerify := VerifyChecksum("sample-provider.zip", []byte("other"), checksums); errVerify == nil {		t.Fatal("VerifyChecksum() mismatch error = nil")	}}