test: exhaustive unit tests for all provider-specific interfaces

Add 740 total tests (up from ~200) covering:
- Compile-time interface compliance for all providers
- GetCapabilities assertions for every provider
- Parse function edge cases: empty, malformed, single-entry, multi-entry
- apt: extract inline parse logic into testable functions (parsePolicyCandidate,
  parseUpgradeSimulation, parseHoldList, parseOwner, parseSourcesLine)
- dnf/rpm: edge cases for both dnf4 and dnf5 parsers, normalize/parseArch
- pacman/aur: parseUpgrades, parseGroupPkgSet, capabilities
- apk: parseUpgradeSimulation, parseListLine, SupportsDryRun
- flatpak/snap: semverCmp, stripNonNumeric edge cases
- pkg/ports: all parse functions with thorough edge cases

Every provider now has:
- Interface compliance checks (what it implements AND what it doesn't)
- Capabilities test via snack.GetCapabilities()
- Parse function unit tests with table-driven edge cases
This commit is contained in:
2026-03-05 23:56:00 +00:00
parent e38a787beb
commit c34b7a467c
17 changed files with 3737 additions and 296 deletions

View File

@@ -79,36 +79,88 @@ func TestBuildArgs_RootBeforeBaseArgs(t *testing.T) {
assert.Greater(t, sIdx, rIdx, "root flag should come before base args")
}
func TestParseUpgrades_Empty(t *testing.T) {
assert.Empty(t, parseUpgrades(""))
}
func TestParseUpgrades(t *testing.T) {
tests := []struct {
name string
input string
wantLen int
wantNames []string
wantVers []string
}{
{
name: "empty",
input: "",
wantLen: 0,
},
{
name: "whitespace only",
input: " \n \n\n\t\n",
wantLen: 0,
},
{
name: "standard arrow format",
input: "linux 6.7.3.arch1-1 -> 6.7.4.arch1-1\nvim 9.0.2-1 -> 9.1.0-1\n",
wantLen: 2,
wantNames: []string{"linux", "vim"},
wantVers: []string{"6.7.4.arch1-1", "9.1.0-1"},
},
{
name: "single package arrow format",
input: "curl 8.6.0-1 -> 8.7.1-1\n",
wantLen: 1,
wantNames: []string{"curl"},
wantVers: []string{"8.7.1-1"},
},
{
name: "fallback two-field format",
input: "pkg 2.0\n",
wantLen: 1,
wantNames: []string{"pkg"},
wantVers: []string{"2.0"},
},
{
name: "mixed arrow and fallback",
input: "linux 6.7.3 -> 6.7.4\npkg 2.0\n",
wantLen: 2,
wantNames: []string{"linux", "pkg"},
wantVers: []string{"6.7.4", "2.0"},
},
{
name: "whitespace around entries",
input: "\n \nlinux 6.7.3 -> 6.7.4\n\n",
wantLen: 1,
wantNames: []string{"linux"},
wantVers: []string{"6.7.4"},
},
{
name: "single field line skipped",
input: "orphan\nvalid 1.0 -> 2.0\n",
wantLen: 1,
},
{
name: "epoch in version",
input: "java-runtime 1:21.0.2-1 -> 1:21.0.3-1\n",
wantLen: 1,
wantNames: []string{"java-runtime"},
wantVers: []string{"1:21.0.3-1"},
},
}
func TestParseUpgrades_Standard(t *testing.T) {
input := `linux 6.7.3.arch1-1 -> 6.7.4.arch1-1
vim 9.0.2-1 -> 9.1.0-1
`
pkgs := parseUpgrades(input)
require.Len(t, pkgs, 2)
assert.Equal(t, "linux", pkgs[0].Name)
assert.Equal(t, "6.7.4.arch1-1", pkgs[0].Version)
assert.True(t, pkgs[0].Installed)
assert.Equal(t, "vim", pkgs[1].Name)
assert.Equal(t, "9.1.0-1", pkgs[1].Version)
}
func TestParseUpgrades_FallbackFormat(t *testing.T) {
// Some versions of pacman might output "pkg newver" without the arrow
input := "pkg 2.0\n"
pkgs := parseUpgrades(input)
require.Len(t, pkgs, 1)
assert.Equal(t, "pkg", pkgs[0].Name)
assert.Equal(t, "2.0", pkgs[0].Version)
}
func TestParseUpgrades_WhitespaceLines(t *testing.T) {
input := "\n \nlinux 6.7.3 -> 6.7.4\n\n"
pkgs := parseUpgrades(input)
require.Len(t, pkgs, 1)
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
pkgs := parseUpgrades(tt.input)
require.Len(t, pkgs, tt.wantLen)
for i, p := range pkgs {
assert.True(t, p.Installed, "all upgrade entries should have Installed=true")
if i < len(tt.wantNames) {
assert.Equal(t, tt.wantNames[i], p.Name)
}
if i < len(tt.wantVers) {
assert.Equal(t, tt.wantVers[i], p.Version)
}
}
})
}
}
func TestParseGroupPkgSet_Empty(t *testing.T) {
@@ -149,6 +201,31 @@ group pkg2
assert.Len(t, set, 2)
}
func TestParseGroupPkgSet_WhitespaceOnly(t *testing.T) {
set := parseGroupPkgSet(" \n \n\t\n")
assert.Empty(t, set)
}
func TestParseGroupPkgSet_MultipleGroups(t *testing.T) {
// Different group names, same package names — set uses pkg name (second field)
input := `base-devel gcc
xorg xorg-server
base-devel gcc
`
set := parseGroupPkgSet(input)
assert.Len(t, set, 2)
assert.Contains(t, set, "gcc")
assert.Contains(t, set, "xorg-server")
}
func TestParseGroupPkgSet_ExtraFields(t *testing.T) {
// Lines with more than 2 fields — should still use second field
input := "group pkg extra stuff\n"
set := parseGroupPkgSet(input)
assert.Len(t, set, 1)
assert.Contains(t, set, "pkg")
}
func TestNew(t *testing.T) {
p := New()
assert.NotNil(t, p)

View File

@@ -130,6 +130,58 @@ func TestBuildArgs(t *testing.T) {
func TestInterfaceCompliance(t *testing.T) {
var _ snack.Manager = (*Pacman)(nil)
var _ snack.VersionQuerier = (*Pacman)(nil)
var _ snack.Cleaner = (*Pacman)(nil)
var _ snack.FileOwner = (*Pacman)(nil)
var _ snack.Grouper = (*Pacman)(nil)
var _ snack.DryRunner = (*Pacman)(nil)
var _ snack.PackageUpgrader = (*Pacman)(nil)
}
func TestInterfaceNonCompliance(t *testing.T) {
p := New()
var m snack.Manager = p
if _, ok := m.(snack.Holder); ok {
t.Error("Pacman should not implement Holder")
}
if _, ok := m.(snack.RepoManager); ok {
t.Error("Pacman should not implement RepoManager")
}
if _, ok := m.(snack.KeyManager); ok {
t.Error("Pacman should not implement KeyManager")
}
if _, ok := m.(snack.NameNormalizer); ok {
t.Error("Pacman should not implement NameNormalizer")
}
}
func TestCapabilities(t *testing.T) {
caps := snack.GetCapabilities(New())
tests := []struct {
name string
got bool
want bool
}{
{"VersionQuery", caps.VersionQuery, true},
{"Clean", caps.Clean, true},
{"FileOwnership", caps.FileOwnership, true},
{"Groups", caps.Groups, true},
{"DryRun", caps.DryRun, true},
{"Hold", caps.Hold, false},
{"RepoManagement", caps.RepoManagement, false},
{"KeyManagement", caps.KeyManagement, false},
{"NameNormalize", caps.NameNormalize, false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if tt.got != tt.want {
t.Errorf("%s = %v, want %v", tt.name, tt.got, tt.want)
}
})
}
}
func TestName(t *testing.T) {