461 lines
12 KiB
Go
461 lines
12 KiB
Go
package cli
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import (
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"fmt"
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"os"
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"os/exec"
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"path"
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"path/filepath"
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"testing"
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"git.numtide.com/numtide/treefmt/internal/test"
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"github.com/go-git/go-billy/v5/osfs"
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"github.com/go-git/go-git/v5"
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"github.com/go-git/go-git/v5/plumbing/cache"
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"github.com/go-git/go-git/v5/storage/filesystem"
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"git.numtide.com/numtide/treefmt/internal/format"
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"github.com/stretchr/testify/require"
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)
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func TestAllowMissingFormatter(t *testing.T) {
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as := require.New(t)
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tempDir := t.TempDir()
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configPath := tempDir + "/treefmt.toml"
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test.WriteConfig(t, configPath, format.Config{
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Formatters: map[string]*format.Formatter{
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"foo-fmt": {
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Command: "foo-fmt",
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},
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},
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})
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_, err := cmd(t, "--config-file", configPath, "--tree-root", tempDir)
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as.ErrorIs(err, format.ErrFormatterNotFound)
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_, err = cmd(t, "--config-file", configPath, "--tree-root", tempDir, "--allow-missing-formatter")
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as.NoError(err)
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}
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func TestSpecifyingFormatters(t *testing.T) {
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as := require.New(t)
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tempDir := test.TempExamples(t)
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configPath := tempDir + "/treefmt.toml"
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test.WriteConfig(t, configPath, format.Config{
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Formatters: map[string]*format.Formatter{
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"elm": {
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Command: "echo",
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Includes: []string{"*.elm"},
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},
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"nix": {
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Command: "echo",
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Includes: []string{"*.nix"},
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},
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"ruby": {
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Command: "echo",
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Includes: []string{"*.rb"},
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},
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},
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})
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out, err := cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
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as.NoError(err)
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as.Contains(string(out), "3 files changed")
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out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir, "--formatters", "elm,nix")
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as.NoError(err)
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as.Contains(string(out), "2 files changed")
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out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir, "--formatters", "ruby,nix")
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as.NoError(err)
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as.Contains(string(out), "2 files changed")
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out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir, "--formatters", "nix")
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as.NoError(err)
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as.Contains(string(out), "1 files changed")
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// test bad names
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out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir, "--formatters", "foo")
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as.Errorf(err, "formatter not found in config: foo")
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out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir, "--formatters", "bar,foo")
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as.Errorf(err, "formatter not found in config: bar")
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}
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func TestIncludesAndExcludes(t *testing.T) {
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as := require.New(t)
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tempDir := test.TempExamples(t)
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configPath := tempDir + "/echo.toml"
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// test without any excludes
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config := format.Config{
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Formatters: map[string]*format.Formatter{
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"echo": {
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Command: "echo",
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Includes: []string{"*"},
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},
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},
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}
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test.WriteConfig(t, configPath, config)
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out, err := cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 29))
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// globally exclude nix files
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config.Global.Excludes = []string{"*.nix"}
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test.WriteConfig(t, configPath, config)
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out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 28))
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// add haskell files to the global exclude
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config.Global.Excludes = []string{"*.nix", "*.hs"}
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test.WriteConfig(t, configPath, config)
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out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 22))
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echo := config.Formatters["echo"]
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// remove python files from the echo formatter
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echo.Excludes = []string{"*.py"}
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test.WriteConfig(t, configPath, config)
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out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 20))
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// remove go files from the echo formatter
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echo.Excludes = []string{"*.py", "*.go"}
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test.WriteConfig(t, configPath, config)
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out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 19))
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// adjust the includes for echo to only include elm files
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echo.Includes = []string{"*.elm"}
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test.WriteConfig(t, configPath, config)
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out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 1))
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// add js files to echo formatter
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echo.Includes = []string{"*.elm", "*.js"}
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test.WriteConfig(t, configPath, config)
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out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 2))
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}
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func TestCache(t *testing.T) {
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as := require.New(t)
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tempDir := test.TempExamples(t)
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configPath := tempDir + "/echo.toml"
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// test without any excludes
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config := format.Config{
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Formatters: map[string]*format.Formatter{
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"echo": {
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Command: "echo",
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Includes: []string{"*"},
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},
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},
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}
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test.WriteConfig(t, configPath, config)
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out, err := cmd(t, "--config-file", configPath, "--tree-root", tempDir)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 29))
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out, err = cmd(t, "--config-file", configPath, "--tree-root", tempDir)
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as.NoError(err)
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as.Contains(string(out), "0 files changed")
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}
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func TestChangeWorkingDirectory(t *testing.T) {
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as := require.New(t)
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// capture current cwd, so we can replace it after the test is finished
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cwd, err := os.Getwd()
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as.NoError(err)
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t.Cleanup(func() {
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// return to the previous working directory
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as.NoError(os.Chdir(cwd))
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})
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tempDir := test.TempExamples(t)
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configPath := tempDir + "/treefmt.toml"
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// test without any excludes
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config := format.Config{
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Formatters: map[string]*format.Formatter{
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"echo": {
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Command: "echo",
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Includes: []string{"*"},
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},
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},
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}
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test.WriteConfig(t, configPath, config)
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// by default, we look for ./treefmt.toml and use the cwd for the tree root
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// this should fail if the working directory hasn't been changed first
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out, err := cmd(t, "-C", tempDir)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 29))
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}
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func TestFailOnChange(t *testing.T) {
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as := require.New(t)
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tempDir := test.TempExamples(t)
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configPath := tempDir + "/echo.toml"
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// test without any excludes
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config := format.Config{
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Formatters: map[string]*format.Formatter{
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"echo": {
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Command: "echo",
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Includes: []string{"*"},
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},
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},
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}
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test.WriteConfig(t, configPath, config)
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_, err := cmd(t, "--fail-on-change", "--config-file", configPath, "--tree-root", tempDir)
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as.ErrorIs(err, ErrFailOnChange)
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}
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func TestBustCacheOnFormatterChange(t *testing.T) {
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as := require.New(t)
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tempDir := test.TempExamples(t)
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configPath := tempDir + "/echo.toml"
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// symlink some formatters into temp dir, so we can mess with their mod times
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binPath := tempDir + "/bin"
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as.NoError(os.Mkdir(binPath, 0o755))
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binaries := []string{"black", "elm-format", "gofmt"}
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for _, name := range binaries {
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src, err := exec.LookPath(name)
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as.NoError(err)
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as.NoError(os.Symlink(src, binPath+"/"+name))
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}
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// prepend our test bin directory to PATH
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as.NoError(os.Setenv("PATH", binPath+":"+os.Getenv("PATH")))
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// start with 2 formatters
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config := format.Config{
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Formatters: map[string]*format.Formatter{
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"python": {
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Command: "black",
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Includes: []string{"*.py"},
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},
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"elm": {
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Command: "elm-format",
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Options: []string{"--yes"},
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Includes: []string{"*.elm"},
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},
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},
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}
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test.WriteConfig(t, configPath, config)
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args := []string{"--config-file", configPath, "--tree-root", tempDir}
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out, err := cmd(t, args...)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 3))
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// tweak mod time of elm formatter
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as.NoError(test.RecreateSymlink(t, binPath+"/"+"elm-format"))
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out, err = cmd(t, args...)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 3))
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// check cache is working
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out, err = cmd(t, args...)
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as.NoError(err)
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as.Contains(string(out), "0 files changed")
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// tweak mod time of python formatter
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as.NoError(test.RecreateSymlink(t, binPath+"/"+"black"))
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out, err = cmd(t, args...)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 3))
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// check cache is working
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out, err = cmd(t, args...)
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as.NoError(err)
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as.Contains(string(out), "0 files changed")
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// add go formatter
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config.Formatters["go"] = &format.Formatter{
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Command: "gofmt",
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Options: []string{"-w"},
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Includes: []string{"*.go"},
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}
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test.WriteConfig(t, configPath, config)
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out, err = cmd(t, args...)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 4))
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// check cache is working
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out, err = cmd(t, args...)
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as.NoError(err)
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as.Contains(string(out), "0 files changed")
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// remove python formatter
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delete(config.Formatters, "python")
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test.WriteConfig(t, configPath, config)
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out, err = cmd(t, args...)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 2))
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// check cache is working
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out, err = cmd(t, args...)
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as.NoError(err)
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as.Contains(string(out), "0 files changed")
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// remove elm formatter
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delete(config.Formatters, "elm")
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test.WriteConfig(t, configPath, config)
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out, err = cmd(t, args...)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 1))
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// check cache is working
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out, err = cmd(t, args...)
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as.NoError(err)
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as.Contains(string(out), "0 files changed")
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}
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func TestGitWorktree(t *testing.T) {
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as := require.New(t)
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tempDir := test.TempExamples(t)
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configPath := filepath.Join(tempDir, "/treefmt.toml")
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// basic config
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config := format.Config{
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Formatters: map[string]*format.Formatter{
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"echo": {
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Command: "echo",
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Includes: []string{"*"},
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},
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},
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}
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test.WriteConfig(t, configPath, config)
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// init a git repo
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repo, err := git.Init(
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filesystem.NewStorage(
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osfs.New(path.Join(tempDir, ".git")),
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cache.NewObjectLRUDefault(),
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),
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osfs.New(tempDir),
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)
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as.NoError(err, "failed to init git repository")
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// get worktree
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wt, err := repo.Worktree()
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as.NoError(err, "failed to get git worktree")
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run := func(changed int) {
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out, err := cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", changed))
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}
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// run before adding anything to the worktree
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run(0)
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// add everything to the worktree
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as.NoError(wt.AddGlob("."))
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as.NoError(err)
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run(29)
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// remove python directory
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as.NoError(wt.RemoveGlob("python/*"))
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run(26)
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// walk with filesystem instead of git
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out, err := cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir, "--walk", "filesystem")
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 55))
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}
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func TestOrderingFormatters(t *testing.T) {
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as := require.New(t)
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tempDir := test.TempExamples(t)
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configPath := path.Join(tempDir, "treefmt.toml")
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// missing child
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test.WriteConfig(t, configPath, format.Config{
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Formatters: map[string]*format.Formatter{
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"hs-a": {
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Command: "echo",
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Includes: []string{"*.hs"},
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Before: "hs-b",
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},
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},
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})
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out, err := cmd(t, "--config-file", configPath, "--tree-root", tempDir)
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as.ErrorContains(err, "formatter hs-a is before hs-b but config for hs-b was not found")
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// multiple roots
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test.WriteConfig(t, configPath, format.Config{
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Formatters: map[string]*format.Formatter{
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"hs-a": {
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Command: "echo",
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Includes: []string{"*.hs"},
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Before: "hs-b",
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},
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"hs-b": {
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Command: "echo",
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Includes: []string{"*.hs"},
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Before: "hs-c",
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},
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"hs-c": {
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Command: "echo",
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Includes: []string{"*.hs"},
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},
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"py-a": {
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Command: "echo",
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Includes: []string{"*.py"},
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Before: "py-b",
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},
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"py-b": {
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Command: "echo",
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Includes: []string{"*.py"},
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},
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},
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})
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out, err = cmd(t, "--config-file", configPath, "--tree-root", tempDir)
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as.NoError(err)
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as.Contains(string(out), "8 files changed")
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}
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