79 lines
3 KiB
Go
79 lines
3 KiB
Go
// Copyright 2016-2017, Pulumi Corporation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package diag
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import (
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"io"
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"io/ioutil"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func discardSink() Sink {
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// Create a new default sink with /dev/null writers to avoid spamming the test log.
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return newDefaultSink(FormatOptions{}, map[Severity]io.Writer{
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Info: ioutil.Discard,
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Error: ioutil.Discard,
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Warning: ioutil.Discard,
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})
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}
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func TestCounts(t *testing.T) {
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t.Parallel()
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sink := discardSink()
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const numEach = 10
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for i := 0; i < numEach; i++ {
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assert.Equal(t, sink.Debugs(), 0, "expected debugs pre to stay at zero")
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assert.Equal(t, sink.Infos(), 0, "expected infos pre to stay at zero")
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assert.Equal(t, sink.Errors(), 0, "expected errors pre to stay at zero")
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assert.Equal(t, sink.Warnings(), i, "expected warnings pre to be at iteration count")
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sink.Warningf(&Diag{Message: "A test of the emergency warning system: %v."}, i)
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assert.Equal(t, sink.Infos(), 0, "expected infos post to stay at zero")
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assert.Equal(t, sink.Errors(), 0, "expected errors post to stay at zero")
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assert.Equal(t, sink.Warnings(), i+1, "expected warnings post to be at iteration count+1")
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}
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for i := 0; i < numEach; i++ {
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assert.Equal(t, sink.Debugs(), 0, "expected debugs pre to stay at zero")
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assert.Equal(t, sink.Infos(), 0, "expected infos pre to stay at zero")
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assert.Equal(t, sink.Errors(), i, "expected errors pre to be at iteration count")
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assert.Equal(t, sink.Warnings(), numEach, "expected warnings pre to stay at numEach")
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sink.Errorf(&Diag{Message: "A test of the emergency error system: %v."}, i)
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assert.Equal(t, sink.Debugs(), 0, "expected deugs post to stay at zero")
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assert.Equal(t, sink.Infos(), 0, "expected infos post to stay at zero")
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assert.Equal(t, sink.Errors(), i+1, "expected errors post to be at iteration count+1")
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assert.Equal(t, sink.Warnings(), numEach, "expected warnings post to stay at numEach")
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}
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}
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// TestEscape ensures that arguments containing format-like characters aren't interpreted as such.
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func TestEscape(t *testing.T) {
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t.Parallel()
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sink := discardSink()
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// Passing % chars in the argument should not yield %!(MISSING)s.
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s := sink.Stringify(Error, Message("%s"), "lots of %v %s %d chars")
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assert.Equal(t, "error: lots of %v %s %d chars\n", s)
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// Passing % chars in the format string, on the other hand, should.
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smiss := sink.Stringify(Error, Message("lots of %v %s %d chars"))
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assert.Equal(t, "error: lots of %!v(MISSING) %!s(MISSING) %!d(MISSING) chars\n", smiss)
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}
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