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chore: modernize tests #15244

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merged 18 commits into from
Feb 22, 2024
Merged

chore: modernize tests #15244

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06ba65a
chore: remove loopclosure captures from tests
Maniktherana Feb 15, 2024
3b4b428
chore: convert errorf to assert
Maniktherana Feb 15, 2024
ebcd8b9
Merge pull request #3 from vitessio/main
Maniktherana Feb 15, 2024
56e4628
chore: remove loopclosure captures from tests
Maniktherana Feb 15, 2024
790243f
chore: convert errorf to assert
Maniktherana Feb 15, 2024
292e9c5
Merge changes from origin/modernize-tests
Maniktherana Feb 15, 2024
aff9e49
chore: replace errof with assert using test-rewrite tool
Maniktherana Feb 15, 2024
3ccab1e
Merge branch 'main' into modernize-tests
Maniktherana Feb 15, 2024
fec218e
chore: replace with assert using test-rewriter + fix failing test
Maniktherana Feb 15, 2024
8f9426a
chore: remove unneeded assert messages
Maniktherana Feb 16, 2024
b8f5b3e
chore: continue remove unneeded assert messages
Maniktherana Feb 16, 2024
fed3dbc
lint
Maniktherana Feb 16, 2024
c7de6a8
chore: readd messages on test failure
Maniktherana Feb 20, 2024
d9d6bda
refac: use proper assertion methods
Maniktherana Feb 20, 2024
bc8b48c
chore: format tests
Maniktherana Feb 21, 2024
3e9e55a
refac: use assert.EqualValues instead of equal
Maniktherana Feb 21, 2024
303c47e
refac: use assert.Zero/NotZero
Maniktherana Feb 21, 2024
faadfce
refac: replace assert.equal with appropriate assertions
Maniktherana Feb 21, 2024
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35 changes: 11 additions & 24 deletions go/cache/lru_cache_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,8 @@ package cache

import (
"testing"

"github.com/stretchr/testify/assert"
)

type CacheValue struct {
Expand All @@ -27,24 +29,13 @@ type CacheValue struct {
func TestInitialState(t *testing.T) {
cache := NewLRUCache[*CacheValue](5)
l, sz, c, e, h, m := cache.Len(), cache.UsedCapacity(), cache.MaxCapacity(), cache.Evictions(), cache.Hits(), cache.Misses()
if l != 0 {
t.Errorf("length = %v, want 0", l)
}
if sz != 0 {
t.Errorf("size = %v, want 0", sz)
}
if c != 5 {
t.Errorf("capacity = %v, want 5", c)
}
if e != 0 {
t.Errorf("evictions = %v, want 0", c)
}
if h != 0 {
t.Errorf("hits = %v, want 0", c)
}
if m != 0 {
t.Errorf("misses = %v, want 0", c)
}
assert.Equal(t, 0, l, "length = %v, want 0", l)
assert.Equal(t, int64(0), sz)
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nitpick: you can use assert.EqualValue to avoid casting the literals to int64

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@Maniktherana Maniktherana Feb 21, 2024 •
edited
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done

assert.Equal(t, int64(5), c)
assert.Equal(t, int64(0), e)
assert.Equal(t, int64(0), h)
assert.Equal(t, int64(0), m)

}

func TestSetInsertsValue(t *testing.T) {
Expand Down Expand Up @@ -137,12 +128,8 @@ func TestCapacityIsObeyed(t *testing.T) {
// Insert one more; something should be evicted to make room.
cache.Set("key4", value)
sz, evictions := cache.UsedCapacity(), cache.Evictions()
if sz != size {
t.Errorf("post-evict cache.UsedCapacity() = %v, expected %v", sz, size)
}
if evictions != 1 {
t.Errorf("post-evict cache.Evictions() = %v, expected 1", evictions)
}
assert.Equal(t, size, sz)
assert.Equal(t, int64(1), evictions)

// Check various other stats
if l := cache.Len(); int64(l) != size {
Expand Down
7 changes: 5 additions & 2 deletions go/cache/theine/singleflight_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,7 @@ func TestDo(t *testing.T) {

assert.Equal(t, "bar (string)", fmt.Sprintf("%v (%T)", v, v), "incorrect Do value")
assert.NoError(t, err, "got Do error")

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on your next pass you should ditch this extra line

}

func TestDoErr(t *testing.T) {
Expand All @@ -54,8 +55,9 @@ func TestDoErr(t *testing.T) {
return "", someErr
})

assert.ErrorIs(t, err, someErr, "incorrect Do error")
assert.Empty(t, v, "unexpected non-empty value")
assert.Equal(t, someErr, err)
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why did we change from ErrorIs to Equal here?

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this may have been due to me using the test-rewriter and then resolving merge conflicts when rebasing. I'll revert this

assert.Equal(t, "", v)
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why not assert.Empty?

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I'll revert this one too


}

func TestDoDupSuppress(t *testing.T) {
Expand Down Expand Up @@ -152,6 +154,7 @@ func TestGoexitDo(t *testing.T) {
var err error
defer func() {
assert.NoError(t, err)

if atomic.AddInt32(&waited, -1) == 0 {
close(done)
}
Expand Down
35 changes: 10 additions & 25 deletions go/event/event_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,8 @@ import (
"reflect"
"testing"
"time"

"github.com/stretchr/testify/assert"
)

type testInterface1 interface {
Expand Down Expand Up @@ -56,10 +58,8 @@ func TestStaticListener(t *testing.T) {
AddListener(func(testEvent1) { triggered = true })
AddListener(func(testEvent2) { t.Errorf("wrong listener type triggered") })
Dispatch(testEvent1{})
assert.True(t, triggered, "static listener failed to trigger")

if !triggered {
t.Errorf("static listener failed to trigger")
}
}

func TestPointerListener(t *testing.T) {
Expand All @@ -69,10 +69,8 @@ func TestPointerListener(t *testing.T) {
AddListener(func(ev *testEvent2) { ev.triggered = true })
AddListener(func(testEvent2) { t.Errorf("non-pointer listener triggered on pointer type") })
Dispatch(testEvent)
assert.True(t, testEvent.triggered, "pointer listener failed to trigger")

if !testEvent.triggered {
t.Errorf("pointer listener failed to trigger")
}
}

func TestInterfaceListener(t *testing.T) {
Expand All @@ -82,10 +80,8 @@ func TestInterfaceListener(t *testing.T) {
AddListener(func(testInterface1) { triggered = true })
AddListener(func(testInterface2) { t.Errorf("interface listener triggered on non-matching type") })
Dispatch(testEvent1{})
assert.True(t, triggered, "interface listener failed to trigger")

if !triggered {
t.Errorf("interface listener failed to trigger")
}
}

func TestEmptyInterfaceListener(t *testing.T) {
Expand All @@ -94,10 +90,8 @@ func TestEmptyInterfaceListener(t *testing.T) {
triggered := false
AddListener(func(any) { triggered = true })
Dispatch("this should match any")
assert.True(t, triggered, "any listener failed to trigger")

if !triggered {
t.Errorf("any listener failed to trigger")
}
}

func TestMultipleListeners(t *testing.T) {
Expand Down Expand Up @@ -144,7 +138,6 @@ func TestBadListenerWrongType(t *testing.T) {

defer func() {
err := recover()

if err == nil {
t.Errorf("bad listener type (not a func) failed to trigger panic")
}
Expand Down Expand Up @@ -186,10 +179,8 @@ func TestDispatchPointerToValueInterfaceListener(t *testing.T) {
triggered = true
})
Dispatch(&testEvent1{})
assert.True(t, triggered)

if !triggered {
t.Errorf("Dispatch by pointer failed to trigger interface listener")
}
}

func TestDispatchValueToValueInterfaceListener(t *testing.T) {
Expand All @@ -200,10 +191,8 @@ func TestDispatchValueToValueInterfaceListener(t *testing.T) {
triggered = true
})
Dispatch(testEvent1{})
assert.True(t, triggered)

if !triggered {
t.Errorf("Dispatch by value failed to trigger interface listener")
}
}

func TestDispatchPointerToPointerInterfaceListener(t *testing.T) {
Expand All @@ -212,10 +201,8 @@ func TestDispatchPointerToPointerInterfaceListener(t *testing.T) {
triggered := false
AddListener(func(testInterface2) { triggered = true })
Dispatch(&testEvent2{})
assert.True(t, triggered)

if !triggered {
t.Errorf("interface listener failed to trigger for pointer")
}
}

func TestDispatchValueToPointerInterfaceListener(t *testing.T) {
Expand Down Expand Up @@ -245,10 +232,8 @@ func TestDispatchUpdate(t *testing.T) {

ev := &testUpdateEvent{}
DispatchUpdate(ev, "hello")
assert.True(t, triggered)
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You missed this one, it should have a message passed in.

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done


if !triggered {
t.Errorf("listener failed to trigger on DispatchUpdate()")
}
want := "hello"
if got := ev.update.(string); got != want {
t.Errorf("ev.update = %#v, want %#v", got, want)
Expand Down
63 changes: 21 additions & 42 deletions go/event/syslogger/syslogger_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,8 @@ import (
"testing"

"vitess.io/vitess/go/event"

"github.com/stretchr/testify/assert"
)

type TestEvent struct {
Expand Down Expand Up @@ -70,10 +72,8 @@ func TestSyslog(t *testing.T) {

ev := new(TestEvent)
event.Dispatch(ev)
assert.True(t, ev.triggered)

if !ev.triggered {
t.Errorf("Syslog() was not called on event that implements Syslogger")
}
}

// TestBadWriter verifies we are still triggering (to normal logs) if
Expand All @@ -87,55 +87,40 @@ func TestBadWriter(t *testing.T) {
wantLevel := "ERROR"
ev := &TestEvent{priority: syslog.LOG_ALERT, message: wantMsg}
event.Dispatch(ev)
if !strings.Contains(tl.getLog().msg, wantMsg) {
t.Errorf("error log msg [%s], want msg [%s]", tl.getLog().msg, wantMsg)
}
if !strings.Contains(tl.getLog().level, wantLevel) {
t.Errorf("error log level [%s], want level [%s]", tl.getLog().level, wantLevel)
}
assert.True(t, strings.Contains(tl.getLog().msg, wantMsg))
assert.True(t, strings.Contains(tl.getLog().level, wantLevel))

ev = &TestEvent{priority: syslog.LOG_CRIT, message: wantMsg}
event.Dispatch(ev)
if !strings.Contains(tl.getLog().level, wantLevel) {
t.Errorf("error log level [%s], want level [%s]", tl.getLog().level, wantLevel)
}
assert.True(t, strings.Contains(tl.getLog().level, wantLevel))

ev = &TestEvent{priority: syslog.LOG_ERR, message: wantMsg}
event.Dispatch(ev)
if !strings.Contains(tl.getLog().level, wantLevel) {
t.Errorf("error log level [%s], want level [%s]", tl.getLog().level, wantLevel)
}
assert.True(t, strings.Contains(tl.getLog().level, wantLevel))

ev = &TestEvent{priority: syslog.LOG_EMERG, message: wantMsg}
event.Dispatch(ev)
if !strings.Contains(tl.getLog().level, wantLevel) {
t.Errorf("error log level [%s], want level [%s]", tl.getLog().level, wantLevel)
}
assert.True(t, strings.Contains(tl.getLog().level, wantLevel))

wantLevel = "WARNING"
ev = &TestEvent{priority: syslog.LOG_WARNING, message: wantMsg}
event.Dispatch(ev)
if !strings.Contains(tl.getLog().level, wantLevel) {
t.Errorf("error log level [%s], want level [%s]", tl.getLog().level, wantLevel)
}
assert.True(t, strings.Contains(tl.getLog().level, wantLevel))

wantLevel = "INFO"
ev = &TestEvent{priority: syslog.LOG_INFO, message: wantMsg}
event.Dispatch(ev)
if !strings.Contains(tl.getLog().level, wantLevel) {
t.Errorf("error log level [%s], want level [%s]", tl.getLog().level, wantLevel)
}
assert.True(t, strings.Contains(tl.getLog().level, wantLevel))

ev = &TestEvent{priority: syslog.LOG_NOTICE, message: wantMsg}
event.Dispatch(ev)
if !strings.Contains(tl.getLog().level, wantLevel) {
t.Errorf("error log level [%s], want level [%s]", tl.getLog().level, wantLevel)
}
assert.True(t, strings.Contains(tl.getLog().level, wantLevel))

ev = &TestEvent{priority: syslog.LOG_DEBUG, message: wantMsg}
event.Dispatch(ev)
if !strings.Contains(tl.getLog().level, wantLevel) {
t.Errorf("error log level [%s], want level [%s]", tl.getLog().level, wantLevel)
}
assert.True(t, strings.Contains(tl.getLog().level, wantLevel))
assert.True(t, ev.triggered)

if !ev.triggered {
t.Errorf("passed nil writer to client")
}
}

// TestWriteError checks that we don't panic on a write error.
Expand All @@ -150,24 +135,18 @@ func TestInvalidSeverity(t *testing.T) {
writer = fw

event.Dispatch(&TestEvent{priority: syslog.Priority(123), message: "log me"})
assert.NotEqual(t, "log me", fw.message)

if fw.message == "log me" {
t.Errorf("message was logged despite invalid severity")
}
}

func testSeverity(sev syslog.Priority, t *testing.T) {
fw := &fakeWriter{}
writer = fw

event.Dispatch(&TestEvent{priority: sev, message: "log me"})
assert.Equal(t, sev, fw.priority)
assert.Equal(t, "log me", fw.message)

if fw.priority != sev {
t.Errorf("wrong priority: got %v, want %v", fw.priority, sev)
}
if fw.message != "log me" {
t.Errorf(`wrong message: got "%v", want "%v"`, fw.message, "log me")
}
}

func TestEmerg(t *testing.T) {
Expand Down
10 changes: 4 additions & 6 deletions go/flagutil/flagutil_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ import (
"testing"

"github.com/spf13/pflag"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)

Expand All @@ -38,12 +39,9 @@ func TestStringList(t *testing.T) {
t.Errorf("v.Set(%v): %v", in, err)
continue
}
if strings.Join(p, ".") != out {
t.Errorf("want %#v, got %#v", strings.Split(out, "."), p)
}
if p.String() != in {
t.Errorf("v.String(): want %#v, got %#v", in, p.String())
}
assert.Equal(t, out, strings.Join(p, "."))
assert.Equal(t, in, p.String())

}
}

Expand Down
12 changes: 6 additions & 6 deletions go/history/history_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,8 @@ package history

import (
"testing"

"github.com/stretchr/testify/assert"
)

func TestHistory(t *testing.T) {
Expand All @@ -33,9 +35,8 @@ func TestHistory(t *testing.T) {
t.Errorf("len(records): want %v, got %v. records: %+v", want, got, q)
}
for i, record := range records {
if record != want[i] {
t.Errorf("record doesn't match: want %v, got %v", want[i], record)
}
assert.Equal(t, want[i], record)

}

for ; i < 6; i++ {
Expand All @@ -48,9 +49,8 @@ func TestHistory(t *testing.T) {
t.Errorf("len(records): want %v, got %v. records: %+v", want, got, q)
}
for i, record := range records {
if record != want[i] {
t.Errorf("record doesn't match: want %v, got %v", want[i], record)
}
assert.Equal(t, want[i], record)

}
}

Expand Down
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