/
prioritize_test.go
261 lines (258 loc) · 6.17 KB
/
prioritize_test.go
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package medorg
import (
"testing"
)
type tc struct {
description string
fss []FileStruct
expectedOrder []int
}
func TestPrioritize(t *testing.T) {
testcases := []tc{
tc{
description: "Test that when reversed, larger files are first",
fss: []FileStruct{
{
directory: "here",
Name: "some_file.mp3",
Checksum: "abcdef",
Size: 123,
}, {
directory: "here",
Name: "another_file.mp3",
Checksum: "ghijk",
Size: 321,
}},
expectedOrder: []int{1, 0}},
tc{
description: "Test that larger files are still first",
fss: []FileStruct{
{
directory: "here",
Name: "some_file.mp3",
Checksum: "abcdef",
Size: 321,
}, {
directory: "here",
Name: "another_file.mp3",
Checksum: "ghijk",
Size: 123,
}},
expectedOrder: []int{0, 1}},
tc{
description: "Test that files of same size don't confuse things",
fss: []FileStruct{
{
directory: "here",
Name: "some_file.mp3",
Checksum: "abcdef",
Size: 123,
}, {
directory: "here",
Name: "some_file.mp3",
Checksum: "ghijk",
Size: 123,
}},
expectedOrder: []int{0, 1}},
tc{
description: "Test with many files",
fss: []FileStruct{
{
directory: "here",
Name: "a.mp3",
Checksum: "abcdef",
Size: 6,
}, {
directory: "here",
Name: "b.mp3",
Checksum: "ghijk",
Size: 5,
}, {
directory: "here",
Name: "c.mp3",
Checksum: "ghijk",
Size: 4,
}, {
directory: "here",
Name: "d.mp3",
Checksum: "ghijk",
Size: 3,
}, {
directory: "here",
Name: "e.mp3",
Checksum: "ghijk",
Size: 2,
}},
expectedOrder: []int{0, 1, 2, 3, 4}},
tc{
description: "Test with many files shuffled",
fss: []FileStruct{
{
directory: "here",
Name: "a.mp3",
Checksum: "abcdef",
Size: 4,
}, {
directory: "here",
Name: "b.mp3",
Checksum: "ghijk",
Size: 2,
}, {
directory: "here",
Name: "c.mp3",
Checksum: "ghijk",
Size: 6,
}, {
directory: "here",
Name: "d.mp3",
Checksum: "ghijk",
Size: 3,
}, {
directory: "here",
Name: "e.mp3",
Checksum: "ghijk",
Size: 5,
}},
expectedOrder: []int{2, 4, 0, 3, 1}},
tc{
description: "ArchivedAt Length ordering",
fss: []FileStruct{
{
directory: "here",
Name: "some_file.mp3",
Checksum: "abcdef",
Size: 123,
}, {
directory: "here",
Name: "another_file.mp3",
Checksum: "ghijk",
Size: 123,
ArchivedAt: []string{"bob"},
}},
expectedOrder: []int{0, 1}},
tc{
description: "ArchivedAt Length ordering reverse",
fss: []FileStruct{
{
directory: "here",
Name: "some_file.mp3",
Checksum: "abcdef",
Size: 123,
ArchivedAt: []string{"bob"},
}, {
directory: "here",
Name: "another_file.mp3",
Checksum: "ghijk",
Size: 123,
}},
expectedOrder: []int{1, 0}},
tc{
description: "ArchivedAt Length ordering has priority",
fss: []FileStruct{
{
directory: "here",
Name: "small_file_not_backed.mp3",
Checksum: "abcdef",
Size: 123,
}, {
directory: "here",
Name: "larger_file_not_backed.mp3",
Checksum: "abcdef",
Size: 321,
}, {
directory: "here",
Name: "small_backed.mp3",
Checksum: "ghijk",
Size: 123,
ArchivedAt: []string{"bob"},
}, {
directory: "here",
Name: "larger_backed.mp3",
Checksum: "ghijk",
Size: 321,
ArchivedAt: []string{"bob"},
}},
expectedOrder: []int{1, 0, 3, 2}},
tc{
description: "ArchivedAt Length ordering has priority shuffled",
fss: []FileStruct{
{
directory: "here",
Name: "small_backed.mp3",
Checksum: "ghijk",
Size: 123,
ArchivedAt: []string{"bob"},
}, {
directory: "here",
Name: "small_file_not_backed.mp3",
Checksum: "abcdef",
Size: 123,
}, {
directory: "here",
Name: "larger_file_not_backed.mp3",
Checksum: "abcdef",
Size: 321,
}, {
directory: "here",
Name: "larger_backed.mp3",
Checksum: "ghijk",
Size: 321,
ArchivedAt: []string{"bob"},
}},
expectedOrder: []int{2, 1, 3, 0}},
tc{
description: "ArchivedAt label excluded",
fss: []FileStruct{
{
directory: "here",
Name: "small_backed.mp3",
Checksum: "ghijk",
Size: 123,
ArchivedAt: []string{"bob"},
}, {
directory: "here",
Name: "small_file_not_backed.mp3",
Checksum: "abcdef",
Size: 123,
}, {
directory: "here",
Name: "larger_file_not_backed.mp3",
Checksum: "abcdef",
Size: 321,
}, {
directory: "here",
Name: "missing.mp3",
Checksum: "ghijk",
Size: 512,
ArchivedAt: []string{"labby"},
}, {
directory: "here",
Name: "missing_again.mp3",
Checksum: "ghijk",
Size: 512,
ArchivedAt: []string{"bob", "labby"},
}, {
directory: "here",
Name: "larger_backed.mp3",
Checksum: "ghijk",
Size: 321,
ArchivedAt: []string{"bob"},
}},
expectedOrder: []int{2, 1, 5, 0}},
}
for n, testcase := range testcases {
t.Run(testcase.description, func(t *testing.T) {
expectedOrder := testcase.expectedOrder
prioritizedOrder := prioritizeFiles(testcase.fss, "labby")
t.Log(prioritizedOrder, "\n\n")
if len(expectedOrder) != len(prioritizedOrder) {
t.Error("Testcase:", n, ":", testcase.description, "Lengths don't match", len(expectedOrder), len(prioritizedOrder))
}
for i := range expectedOrder {
if !prioritizedOrder[i].Equal(testcase.fss[expectedOrder[i]]) {
t.Error("Testcase:", n, ":", testcase.description, "Order", prioritizedOrder[i], "didn't match", testcase.fss[expectedOrder[i]])
}
}
})
}
}