tests: add tests

Author: ldez

internal/cache/cache_test.go

@@ -0,0 +1,117 @@
+package cache
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"golang.org/x/tools/go/packages"
+
+	"github.com/golangci/golangci-lint/pkg/logutils"
+	"github.com/golangci/golangci-lint/pkg/timeutils"
+)
+
+func setupCache(t *testing.T) *Cache {
+	t.Helper()
+
+	log := logutils.NewStderrLog("skip")
+	sw := timeutils.NewStopwatch("pkgcache", log)
+
+	pkgCache, err := NewCache(sw, log)
+	require.NoError(t, err)
+
+	return pkgCache
+}
+
+func fakePackage() *packages.Package {
+	return &packages.Package{
+		PkgPath: "github.com/golangci/example",
+		CompiledGoFiles: []string{
+			"./testdata/hello.go",
+		},
+		Imports: map[string]*packages.Package{
+			"a": {
+				PkgPath: "github.com/golangci/example/a",
+			},
+			"b": {
+				PkgPath: "github.com/golangci/example/b",
+			},
+			"unsafe": {
+				PkgPath: "unsafe",
+			},
+		},
+	}
+}
+
+func Test_buildKey(t *testing.T) {
+	pkgCache := setupCache(t)
+
+	pkg := fakePackage()
+
+	actionID, err := pkgCache.buildKey(pkg, HashModeNeedAllDeps, "")
+	require.NoError(t, err)
+
+	assert.Equal(t, "f32bf1bf010aa9b570e081c64ec9e22e17aafa1e822990ba952905ec5fdf8d9d", fmt.Sprintf("%x", actionID))
+}
+
+func Test_pkgActionID(t *testing.T) {
+	pkgCache := setupCache(t)
+
+	pkg := fakePackage()
+
+	actionID, err := pkgCache.pkgActionID(pkg, HashModeNeedAllDeps)
+	require.NoError(t, err)
+
+	assert.Equal(t, "f690f05acd1024386ae912d9ad9c04080523b9a899f6afe56ab3108d88215c1d", fmt.Sprintf("%x", actionID))
+}
+
+func Test_packageHash_load(t *testing.T) {
+	pkgCache := setupCache(t)
+
+	pkg := fakePackage()
+
+	pkgCache.pkgHashes.Store(pkg, hashResults{HashModeNeedAllDeps: "fake"})
+
+	hash, err := pkgCache.packageHash(pkg, HashModeNeedAllDeps)
+	require.NoError(t, err)
+
+	assert.Equal(t, "fake", hash)
+}
+
+func Test_packageHash_store(t *testing.T) {
+	pkgCache := setupCache(t)
+
+	pkg := fakePackage()
+
+	hash, err := pkgCache.packageHash(pkg, HashModeNeedAllDeps)
+	require.NoError(t, err)
+
+	assert.Equal(t, "9c602ef861197b6807e82c99caa7c4042eb03c1a92886303fb02893744355131", hash)
+
+	results, ok := pkgCache.pkgHashes.Load(pkg)
+	require.True(t, ok)
+
+	hashRes := results.(hashResults)
+
+	require.Len(t, hashRes, 3)
+
+	assert.Equal(t, "8978e3d76c6f99e9663558d7147a7790f229a676804d1fde706a611898547b74", hashRes[HashModeNeedOnlySelf])
+	assert.Equal(t, "b1aef902a0619b5cbfc2d6e2e91a73dd58dd448e58274b2d7a5ff8efd97aefa4", hashRes[HashModeNeedDirectDeps])
+	assert.Equal(t, "9c602ef861197b6807e82c99caa7c4042eb03c1a92886303fb02893744355131", hashRes[HashModeNeedAllDeps])
+}
+
+func Test_computeHash(t *testing.T) {
+	pkgCache := setupCache(t)
+
+	pkg := fakePackage()
+
+	results, err := pkgCache.computePkgHash(pkg)
+	require.NoError(t, err)
+
+	require.Len(t, results, 3)
+
+	assert.Equal(t, "8978e3d76c6f99e9663558d7147a7790f229a676804d1fde706a611898547b74", results[HashModeNeedOnlySelf])
+	assert.Equal(t, "b1aef902a0619b5cbfc2d6e2e91a73dd58dd448e58274b2d7a5ff8efd97aefa4", results[HashModeNeedDirectDeps])
+	assert.Equal(t, "9c602ef861197b6807e82c99caa7c4042eb03c1a92886303fb02893744355131", results[HashModeNeedAllDeps])
+}

internal/cache/testdata/hello.go

@@ -0,0 +1,7 @@
+package testdata
+
+import "fmt"
+
+func Hello() {
+	fmt.Println("hello world")
+}