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package files |
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import ( |
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"io/ioutil" |
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"os" |
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"testing" |
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) |
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func TestDirectoryExists(t *testing.T) { |
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dir, _ := ioutil.TempDir("", "*") |
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if exists, err := FileExists(dir); err != nil { |
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t.Errorf("Should not be an error: %v", err.Error()) |
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} else { |
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if !exists { |
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t.Errorf("Directory should exist: %v", dir) |
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} |
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} |
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os.RemoveAll(dir) |
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if exists, err := FileExists(dir); err != nil { |
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t.Errorf("Should not be an error: %v", err.Error()) |
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} else { |
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if exists { |
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t.Errorf("Directory should not exist: %v", dir) |
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} |
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} |
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} |
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func TestFileExists(t *testing.T) { |
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file, _ := ioutil.TempFile("", "test*") |
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file.Close() |
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if exists, err := FileExists(file.Name()); err != nil { |
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t.Errorf("Should not be an error: %v", err.Error()) |
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} else { |
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if !exists { |
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t.Errorf("File should exist: %v", file.Name()) |
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} |
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} |
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os.Remove(file.Name()) |
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if exists, err := FileExists(file.Name()); err != nil { |
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t.Errorf("Should not be an error: %v", err.Error()) |
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} else { |
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if exists { |
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t.Errorf("File should not exist: %v", file.Name()) |
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} |
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} |
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} |
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func TestGetOrCreateFile(t *testing.T) { |
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file, _ := ioutil.TempFile("", "test*") |
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file.WriteString("This is a line of text") |
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file.Close() |
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validateContent(t, file.Name(), "This is a line of text") |
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removeFile(t, file.Name()) |
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validateEmptyFile(t, file.Name()) |
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os.Remove(file.Name()) |
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} |
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66
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func TestJoinAndParent(t *testing.T) { |
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path := "/" |
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if Join(path, "file") != "/file" { |
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t.Errorf("Join failed %v", Join(path, "file")) |
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t.Fail() |
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} |
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if Join(Join(path, "dir"), "file") != "/dir/file" { |
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t.Errorf("Join failed %v", Join(Join(path, "dir"), "file")) |
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t.Fail() |
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} |
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if Parent(Join(Join(path, "dir"), "file")) != "/dir" { |
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t.Errorf("Join failed %v", Parent(Join(Join(path, "dir"), "file"))) |
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t.Fail() |
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} |
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if Parent(path) != "/" { |
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t.Errorf("Join failed %v", Parent(path)) |
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t.Fail() |
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} |
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} |
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86
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func TestFormatBytes(t *testing.T) { |
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if "100 B" != FormatBytes(100) { |
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t.Errorf("Failed format %d to %v", 100, FormatBytes(100)) |
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t.Fail() |
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} |
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if "1.0 KB" != FormatBytes(1024) { |
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t.Errorf("Failed format %d to %v", 1024, FormatBytes(1024)) |
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t.Fail() |
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} |
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if "2.0 MB" != FormatBytes(1024*1024*2) { |
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t.Errorf("Failed format %d to %v", 1024*1024*2, FormatBytes(1024*1024*2)) |
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t.Fail() |
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} |
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} |
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func validateContent(t *testing.T, path, content string) { |
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f, err := GetOrCreateFile(path) |
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defer f.Close() |
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105
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if err != nil { |
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t.Error(err) |
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t.Fail() |
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} else if data, _ := ioutil.ReadFile(f.Name()); string(data) != content { |
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t.Errorf("File should have the content %v but was %v", content, string(data)) |
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t.Fail() |
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} |
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} |
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113
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114
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func validateEmptyFile(t *testing.T, path string) { |
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f, err := GetOrCreateFile(path) |
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defer f.Close() |
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if err != nil { |
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t.Error(err) |
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t.Fail() |
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} else if data, _ := ioutil.ReadFile(f.Name()); len(data) != 0 { |
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t.Errorf("File should be empty but was %d bytes", len(data)) |
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t.Fail() |
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} |
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125
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} |
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126
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127
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func removeFile(t *testing.T, path string) { |
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128
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if err := os.Remove(path); err != nil { |
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t.Errorf("Unable to remove file: %v", err.Error()) |
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130
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t.Fail() |
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} |
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} |
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rchargel /
hdfs-explorer
