mirror of https://github.com/perkeep/perkeep.git
122 lines
3.4 KiB
Go
122 lines
3.4 KiB
Go
/*
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Copyright 2011 Google Inc.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package osutil
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import (
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"fmt"
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"os"
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"path/filepath"
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"testing"
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)
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// Creates a file with the content "test" at path
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func createTestInclude(path string) error {
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// Create a config file for OpenCamliInclude to play with
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cf, e := os.Create(path)
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if e != nil {
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return e
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}
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fmt.Fprintf(cf, "test")
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return cf.Close()
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}
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// Calls OpenCamliInclude to open path, and checks that it containts "test"
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func checkOpen(t *testing.T, path string) {
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found, e := FindCamliInclude(path)
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if e != nil {
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t.Errorf("Failed to find %v", path)
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return
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}
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var file *os.File
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file, e = os.Open(found)
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if e != nil {
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t.Errorf("Failed to open %v", path)
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} else {
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var d [10]byte
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if n, _ := file.Read(d[:]); n != 4 {
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t.Errorf("Read incorrect number of chars from test.config, wrong file?")
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}
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if string(d[0:4]) != "test" {
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t.Errorf("Wrong test file content: %v", string(d[0:4]))
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}
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file.Close()
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}
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}
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// Test for error when file doesn't exist
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func TestOpenCamliIncludeNoFile(t *testing.T) {
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// Test that error occurs if no such file
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const notExist = "this_config_doesnt_exist.config"
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defer os.Setenv("CAMLI_CONFIG_DIR", os.Getenv("CAMLI_CONFIG_DIR"))
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os.Setenv("CAMLI_CONFIG_DIR", filepath.Join(os.TempDir(), "/x/y/z/not-exist"))
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_, e := FindCamliInclude(notExist)
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if e == nil {
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t.Errorf("Successfully opened config which doesn't exist: %v", notExist)
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}
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}
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// Test for when a file exists in CWD
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func TestOpenCamliIncludeCWD(t *testing.T) {
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const path string = "TestOpenCamliIncludeCWD.config"
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if e := createTestInclude(path); e != nil {
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t.Errorf("Couldn't create test config file, aborting test: %v", e)
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return
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}
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defer os.Remove(path)
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checkOpen(t, path)
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}
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// Test for when a file exists in CAMLI_CONFIG_DIR
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func TestOpenCamliIncludeDir(t *testing.T) {
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const name string = "TestOpenCamliIncludeDir.config"
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if e := createTestInclude("/tmp/" + name); e != nil {
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t.Errorf("Couldn't create test config file, aborting test: %v", e)
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return
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}
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defer os.Remove("/tmp/" + name)
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os.Setenv("CAMLI_CONFIG_DIR", "/tmp")
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defer os.Setenv("CAMLI_CONFIG_DIR", "")
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checkOpen(t, name)
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}
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// Test for when a file exits in CAMLI_INCLUDE_PATH
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func TestOpenCamliIncludePath(t *testing.T) {
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const name string = "TestOpenCamliIncludePath.config"
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if e := createTestInclude("/tmp/" + name); e != nil {
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t.Errorf("Couldn't create test config file, aborting test: %v", e)
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return
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}
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defer os.Remove("/tmp/" + name)
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defer os.Setenv("CAMLI_INCLUDE_PATH", "")
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defer os.Setenv("CAMLI_CONFIG_DIR", os.Getenv("CAMLI_CONFIG_DIR"))
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os.Setenv("CAMLI_CONFIG_DIR", filepath.Join(os.TempDir(), "/x/y/z/not-exist"))
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os.Setenv("CAMLI_INCLUDE_PATH", "/tmp")
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checkOpen(t, name)
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os.Setenv("CAMLI_INCLUDE_PATH", "/not/a/camli/config/dir:/tmp")
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checkOpen(t, name)
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os.Setenv("CAMLI_INCLUDE_PATH", "/not/a/camli/config/dir:/tmp:/another/fake/camli/dir")
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checkOpen(t, name)
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}
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