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https://github.com/JetSetIlly/Gopher2600.git
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cd2a00d4ba
the logger.Permission interface indicates whether the environment making the logging request is allowed to create new log entries. the environment.Environment type satisifies the Permission interface logger.Allow is provided as a convienient way of indicating the the log entry should always be created
65 lines
2 KiB
Go
65 lines
2 KiB
Go
// This file is part of Gopher2600.
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//
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// Gopher2600 is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Gopher2600 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Gopher2600. If not, see <https://www.gnu.org/licenses/>.
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package logger_test
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import (
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"fmt"
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"testing"
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"github.com/jetsetilly/gopher2600/logger"
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"github.com/jetsetilly/gopher2600/test"
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)
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func TestLogger(t *testing.T) {
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tw := &test.Writer{}
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logger.Write(tw)
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test.ExpectEquality(t, tw.Compare(""), true)
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logger.Log(logger.Allow, "test", "this is a test")
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logger.Write(tw)
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test.ExpectEquality(t, tw.Compare("test: this is a test\n"), true)
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// clear the test.Writer buffer before continuing, makes comparisons easier
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// to manage
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tw.Clear()
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logger.Log(logger.Allow, "test2", "this is another test")
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logger.Write(tw)
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test.ExpectEquality(t, tw.Compare("test: this is a test\ntest2: this is another test\n"), true)
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// asking for too many entries in a Tail() should be okay
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tw.Clear()
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logger.Tail(tw, 100)
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fmt.Println(tw)
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test.ExpectEquality(t, tw.Compare("test: this is a test\ntest2: this is another test\n"), true)
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// asking for exactly the correct number of entries is okay
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tw.Clear()
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logger.Tail(tw, 2)
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test.ExpectEquality(t, tw.Compare("test: this is a test\ntest2: this is another test\n"), true)
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// asking for fewer entries is okay too
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tw.Clear()
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logger.Tail(tw, 1)
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test.ExpectEquality(t, tw.Compare("test2: this is another test\n"), true)
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// and no entries
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tw.Clear()
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logger.Tail(tw, 0)
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test.ExpectEquality(t, tw.Compare(""), true)
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}
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