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hash_test.go
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hash_test.go
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package gps
import (
"bytes"
"crypto/sha256"
"fmt"
"strings"
"testing"
"text/tabwriter"
)
func TestHashInputs(t *testing.T) {
fix := basicFixtures["shared dependency with overlapping constraints"]
params := SolveParameters{
RootDir: string(fix.ds[0].n),
RootPackageTree: fix.rootTree(),
Manifest: fix.rootmanifest(),
ProjectAnalyzer: naiveAnalyzer{},
}
s, err := Prepare(params, newdepspecSM(fix.ds, nil))
if err != nil {
t.Fatalf("Unexpected error while prepping solver: %s", err)
}
dig := s.HashInputs()
h := sha256.New()
elems := []string{
hhConstraints,
"a",
"sv-1.0.0",
"b",
"sv-1.0.0",
hhImportsReqs,
"a",
"b",
hhIgnores,
hhOverrides,
hhAnalyzer,
"naive-analyzer",
"1",
}
for _, v := range elems {
h.Write([]byte(v))
}
correct := h.Sum(nil)
if !bytes.Equal(dig, correct) {
t.Errorf("Hashes are not equal. Inputs:\n%s", diffHashingInputs(s, elems))
} else if strings.Join(elems, "\n")+"\n" != HashingInputsAsString(s) {
t.Errorf("Hashes are equal, but hashing input strings are not:\n%s", diffHashingInputs(s, elems))
}
}
func TestHashInputsReqsIgs(t *testing.T) {
fix := basicFixtures["shared dependency with overlapping constraints"]
rm := fix.rootmanifest().(simpleRootManifest).dup()
rm.ig = map[string]bool{
"foo": true,
"bar": true,
}
params := SolveParameters{
RootDir: string(fix.ds[0].n),
RootPackageTree: fix.rootTree(),
Manifest: rm,
ProjectAnalyzer: naiveAnalyzer{},
}
s, err := Prepare(params, newdepspecSM(fix.ds, nil))
if err != nil {
t.Fatalf("Unexpected error while prepping solver: %s", err)
}
dig := s.HashInputs()
h := sha256.New()
elems := []string{
hhConstraints,
"a",
"sv-1.0.0",
"b",
"sv-1.0.0",
hhImportsReqs,
"a",
"b",
hhIgnores,
"bar",
"foo",
hhOverrides,
hhAnalyzer,
"naive-analyzer",
"1",
}
for _, v := range elems {
h.Write([]byte(v))
}
correct := h.Sum(nil)
if !bytes.Equal(dig, correct) {
t.Errorf("Hashes are not equal. Inputs:\n%s", diffHashingInputs(s, elems))
}
// Add requires
rm.req = map[string]bool{
"baz": true,
"qux": true,
}
params.Manifest = rm
s, err = Prepare(params, newdepspecSM(fix.ds, nil))
if err != nil {
t.Fatalf("Unexpected error while prepping solver: %s", err)
}
dig = s.HashInputs()
h = sha256.New()
elems = []string{
hhConstraints,
"a",
"sv-1.0.0",
"b",
"sv-1.0.0",
hhImportsReqs,
"a",
"b",
"baz",
"qux",
hhIgnores,
"bar",
"foo",
hhOverrides,
hhAnalyzer,
"naive-analyzer",
"1",
}
for _, v := range elems {
h.Write([]byte(v))
}
correct = h.Sum(nil)
if !bytes.Equal(dig, correct) {
t.Errorf("Hashes are not equal. Inputs:\n%s", diffHashingInputs(s, elems))
}
// remove ignores, just test requires alone
rm.ig = nil
params.Manifest = rm
s, err = Prepare(params, newdepspecSM(fix.ds, nil))
if err != nil {
t.Fatalf("Unexpected error while prepping solver: %s", err)
}
dig = s.HashInputs()
h = sha256.New()
elems = []string{
hhConstraints,
"a",
"sv-1.0.0",
"b",
"sv-1.0.0",
hhImportsReqs,
"a",
"b",
"baz",
"qux",
hhIgnores,
hhOverrides,
hhAnalyzer,
"naive-analyzer",
"1",
}
for _, v := range elems {
h.Write([]byte(v))
}
correct = h.Sum(nil)
if !bytes.Equal(dig, correct) {
t.Errorf("Hashes are not equal. Inputs:\n%s", diffHashingInputs(s, elems))
}
}
func TestHashInputsOverrides(t *testing.T) {
basefix := basicFixtures["shared dependency with overlapping constraints"]
// Set up base state that we'll mutate over the course of each test
rm := basefix.rootmanifest().(simpleRootManifest).dup()
params := SolveParameters{
RootDir: string(basefix.ds[0].n),
RootPackageTree: basefix.rootTree(),
Manifest: rm,
ProjectAnalyzer: naiveAnalyzer{},
}
table := []struct {
name string
mut func()
elems []string
}{
{
name: "override source; not imported, no deps pp",
mut: func() {
// First case - override just source, on something without
// corresponding project properties in the dependencies from
// root
rm.ovr = map[ProjectRoot]ProjectProperties{
"c": ProjectProperties{
Source: "car",
},
}
},
elems: []string{
hhConstraints,
"a",
"sv-1.0.0",
"b",
"sv-1.0.0",
hhImportsReqs,
"a",
"b",
hhIgnores,
hhOverrides,
"c",
"car",
hhAnalyzer,
"naive-analyzer",
"1",
},
},
{
name: "override source; required, no deps pp",
mut: func() {
// Put c into the requires list, which should make it show up under
// constraints
rm.req = map[string]bool{
"c": true,
}
},
elems: []string{
hhConstraints,
"a",
"sv-1.0.0",
"b",
"sv-1.0.0",
"c",
"car",
"any-*", // Any isn't included under the override, but IS for the constraint b/c it's equivalent
hhImportsReqs,
"a",
"b",
"c",
hhIgnores,
hhOverrides,
"c",
"car",
hhAnalyzer,
"naive-analyzer",
"1",
},
},
{
name: "override source; required & imported, no deps pp",
mut: func() {
// Put c in the root's imports
poe := params.RootPackageTree.Packages["root"]
poe.P.Imports = []string{"a", "b", "c"}
params.RootPackageTree.Packages["root"] = poe
},
elems: []string{
hhConstraints,
"a",
"sv-1.0.0",
"b",
"sv-1.0.0",
"c",
"car",
"any-*", // Any isn't included under the override, but IS for the constraint b/c it's equivalent
hhImportsReqs,
"a",
"b",
"c",
hhIgnores,
hhOverrides,
"c",
"car",
hhAnalyzer,
"naive-analyzer",
"1",
},
},
{
name: "override source; imported, no deps pp",
mut: func() {
// Take c out of requires list - now it's only imported
rm.req = nil
},
elems: []string{
hhConstraints,
"a",
"sv-1.0.0",
"b",
"sv-1.0.0",
"c",
"car",
"any-*",
hhImportsReqs,
"a",
"b",
"c",
hhIgnores,
hhOverrides,
"c",
"car",
hhAnalyzer,
"naive-analyzer",
"1",
},
},
{
name: "other override constraint; not imported, no deps pp",
mut: func() {
// Override not in root, just with constraint
rm.ovr["d"] = ProjectProperties{
Constraint: NewBranch("foobranch"),
}
},
elems: []string{
hhConstraints,
"a",
"sv-1.0.0",
"b",
"sv-1.0.0",
"c",
"car",
"any-*",
hhImportsReqs,
"a",
"b",
"c",
hhIgnores,
hhOverrides,
"c",
"car",
"d",
"b-foobranch",
hhAnalyzer,
"naive-analyzer",
"1",
},
},
{
name: "override constraint; not imported, no deps pp",
mut: func() {
// Remove the "c" pkg from imports for remainder of tests
poe := params.RootPackageTree.Packages["root"]
poe.P.Imports = []string{"a", "b"}
params.RootPackageTree.Packages["root"] = poe
},
elems: []string{
hhConstraints,
"a",
"sv-1.0.0",
"b",
"sv-1.0.0",
hhImportsReqs,
"a",
"b",
hhIgnores,
hhOverrides,
"c",
"car",
"d",
"b-foobranch",
hhAnalyzer,
"naive-analyzer",
"1",
},
},
{
name: "override both; not imported, no deps pp",
mut: func() {
// Override not in root, both constraint and network name
rm.ovr["c"] = ProjectProperties{
Source: "groucho",
Constraint: NewBranch("plexiglass"),
}
},
elems: []string{
hhConstraints,
"a",
"sv-1.0.0",
"b",
"sv-1.0.0",
hhImportsReqs,
"a",
"b",
hhIgnores,
hhOverrides,
"c",
"groucho",
"b-plexiglass",
"d",
"b-foobranch",
hhAnalyzer,
"naive-analyzer",
"1",
},
},
{
name: "override constraint; imported, with constraint",
mut: func() {
// Override dep present in root, just constraint
rm.ovr["a"] = ProjectProperties{
Constraint: NewVersion("fluglehorn"),
}
},
elems: []string{
hhConstraints,
"a",
"pv-fluglehorn",
"b",
"sv-1.0.0",
hhImportsReqs,
"a",
"b",
hhIgnores,
hhOverrides,
"a",
"pv-fluglehorn",
"c",
"groucho",
"b-plexiglass",
"d",
"b-foobranch",
hhAnalyzer,
"naive-analyzer",
"1",
},
},
{
name: "override source; imported, with constraint",
mut: func() {
// Override in root, only network name
rm.ovr["a"] = ProjectProperties{
Source: "nota",
}
},
elems: []string{
hhConstraints,
"a",
"nota",
"sv-1.0.0",
"b",
"sv-1.0.0",
hhImportsReqs,
"a",
"b",
hhIgnores,
hhOverrides,
"a",
"nota",
"c",
"groucho",
"b-plexiglass",
"d",
"b-foobranch",
hhAnalyzer,
"naive-analyzer",
"1",
},
},
{
name: "override both; imported, with constraint",
mut: func() {
// Override in root, network name and constraint
rm.ovr["a"] = ProjectProperties{
Source: "nota",
Constraint: NewVersion("fluglehorn"),
}
},
elems: []string{
hhConstraints,
"a",
"nota",
"pv-fluglehorn",
"b",
"sv-1.0.0",
hhImportsReqs,
"a",
"b",
hhIgnores,
hhOverrides,
"a",
"nota",
"pv-fluglehorn",
"c",
"groucho",
"b-plexiglass",
"d",
"b-foobranch",
hhAnalyzer,
"naive-analyzer",
"1",
},
},
}
for _, fix := range table {
fix.mut()
params.Manifest = rm
s, err := Prepare(params, newdepspecSM(basefix.ds, nil))
if err != nil {
t.Fatalf("(fix: %q) Unexpected error while prepping solver: %s", fix.name, err)
}
h := sha256.New()
for _, v := range fix.elems {
h.Write([]byte(v))
}
if !bytes.Equal(s.HashInputs(), h.Sum(nil)) {
t.Errorf("(fix: %q) Hashes are not equal. Inputs:\n%s", fix.name, diffHashingInputs(s, fix.elems))
}
}
}
func diffHashingInputs(s Solver, wnt []string) string {
actual := HashingInputsAsString(s)
got := strings.Split(actual, "\n")
// got has a trailing empty, add that to wnt
wnt = append(wnt, "")
lg, lw := len(got), len(wnt)
var buf bytes.Buffer
tw := tabwriter.NewWriter(&buf, 4, 4, 2, ' ', 0)
fmt.Fprintln(tw, " (GOT) \t (WANT) \t")
lmiss, rmiss := ">>>>>>>>>>", "<<<<<<<<<<"
if lg == lw {
// same length makes the loop pretty straightforward
for i := 0; i < lg; i++ {
fmt.Fprintf(tw, "%s\t%s\t\n", got[i], wnt[i])
}
} else if lg > lw {
offset := 0
for i := 0; i < lg; i++ {
if lw <= i-offset {
fmt.Fprintf(tw, "%s\t%s\t\n", got[i], rmiss)
} else if got[i] != wnt[i-offset] && i+1 < lg && got[i+1] == wnt[i-offset] {
// if the next slot is a match, realign by skipping this one and
// bumping the offset
fmt.Fprintf(tw, "%s\t%s\t\n", got[i], rmiss)
offset++
} else {
fmt.Fprintf(tw, "%s\t%s\t\n", got[i], wnt[i-offset])
}
}
} else {
offset := 0
for i := 0; i < lw; i++ {
if lg <= i-offset {
fmt.Fprintf(tw, "%s\t%s\t\n", lmiss, wnt[i])
} else if got[i-offset] != wnt[i] && i+1 < lw && got[i-offset] == wnt[i+1] {
// if the next slot is a match, realign by skipping this one and
// bumping the offset
fmt.Fprintf(tw, "%s\t%s\t\n", lmiss, wnt[i])
offset++
} else {
fmt.Fprintf(tw, "%s\t%s\t\n", got[i-offset], wnt[i])
}
}
}
tw.Flush()
return buf.String()
}