From 752dd49c6d63c2c4abb1a13b5c9b77419bb03615 Mon Sep 17 00:00:00 2001 From: Trevor Brown Date: Thu, 22 Feb 2024 20:58:58 -0500 Subject: [PATCH] feat(golang-rewrite): PluginAdd function * Add go-git as a dependency * Remove plugins dir from gitignore * Move config code to config package * Create validatePluginName function * Create PluginDirectory function * Create PluginExists function * Implement PluginAdd function * Add testify as a dependency * Write test for PluginAdd happy path --- .gitignore | 1 - config.go => config/config.go | 2 +- config_test.go => config/config_test.go | 2 +- {testdata => config/testdata}/asdfrc | 0 {testdata => config/testdata}/empty-asdfrc | 0 go.mod | 27 +++- go.sum | 134 +++++++++++++++ plugins/main.go | 81 ++++++++++ plugins/main_test.go | 180 +++++++++++++++++++++ 9 files changed, 423 insertions(+), 4 deletions(-) rename config.go => config/config.go (99%) rename config_test.go => config/config_test.go (99%) rename {testdata => config/testdata}/asdfrc (100%) rename {testdata => config/testdata}/empty-asdfrc (100%) create mode 100644 plugins/main.go create mode 100644 plugins/main_test.go diff --git a/.gitignore b/.gitignore index 2e1e0325..4d254bd9 100644 --- a/.gitignore +++ b/.gitignore @@ -1,6 +1,5 @@ /installs /downloads -/plugins /shims repository .vagrant diff --git a/config.go b/config/config.go similarity index 99% rename from config.go rename to config/config.go index 633edd10..da71d01c 100644 --- a/config.go +++ b/config/config.go @@ -1,4 +1,4 @@ -package main +package config import ( "context" diff --git a/config_test.go b/config/config_test.go similarity index 99% rename from config_test.go rename to config/config_test.go index 595d27bb..e2fe2695 100644 --- a/config_test.go +++ b/config/config_test.go @@ -1,4 +1,4 @@ -package main +package config import ( "testing" diff --git a/testdata/asdfrc b/config/testdata/asdfrc similarity index 100% rename from testdata/asdfrc rename to config/testdata/asdfrc diff --git a/testdata/empty-asdfrc b/config/testdata/empty-asdfrc similarity index 100% rename from testdata/empty-asdfrc rename to config/testdata/empty-asdfrc diff --git a/go.mod b/go.mod index 0dc73b45..a02e302b 100644 --- a/go.mod +++ b/go.mod @@ -3,15 +3,40 @@ module asdf go 1.21.5 require ( + github.com/go-git/go-git/v5 v5.11.0 github.com/mitchellh/go-homedir v1.1.0 github.com/sethvargo/go-envconfig v1.0.0 + github.com/stretchr/testify v1.8.4 github.com/urfave/cli/v2 v2.27.1 gopkg.in/ini.v1 v1.67.0 ) require ( + dario.cat/mergo v1.0.0 // indirect + github.com/Microsoft/go-winio v0.6.1 // indirect + github.com/ProtonMail/go-crypto v0.0.0-20230828082145-3c4c8a2d2371 // indirect + github.com/cloudflare/circl v1.3.3 // indirect github.com/cpuguy83/go-md2man/v2 v2.0.3 // indirect + github.com/cyphar/filepath-securejoin v0.2.4 // indirect + github.com/davecgh/go-spew v1.1.1 // indirect + github.com/emirpasic/gods v1.18.1 // indirect + github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect + github.com/go-git/go-billy/v5 v5.5.0 // indirect + github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect + github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect + github.com/kevinburke/ssh_config v1.2.0 // indirect + github.com/pjbgf/sha1cd v0.3.0 // indirect + github.com/pmezard/go-difflib v1.0.0 // indirect github.com/russross/blackfriday/v2 v2.1.0 // indirect - github.com/stretchr/testify v1.8.4 // indirect + github.com/sergi/go-diff v1.1.0 // indirect + github.com/skeema/knownhosts v1.2.1 // indirect + github.com/xanzy/ssh-agent v0.3.3 // indirect github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect + golang.org/x/crypto v0.16.0 // indirect + golang.org/x/mod v0.12.0 // indirect + golang.org/x/net v0.19.0 // indirect + golang.org/x/sys v0.15.0 // indirect + golang.org/x/tools v0.13.0 // indirect + gopkg.in/warnings.v0 v0.1.2 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect ) diff --git a/go.sum b/go.sum index 9a6a60a4..f4f5cf7e 100644 --- a/go.sum +++ b/go.sum @@ -1,24 +1,158 @@ +dario.cat/mergo v1.0.0 h1:AGCNq9Evsj31mOgNPcLyXc+4PNABt905YmuqPYYpBWk= +dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk= +github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY= +github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow= +github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM= +github.com/ProtonMail/go-crypto v0.0.0-20230828082145-3c4c8a2d2371 h1:kkhsdkhsCvIsutKu5zLMgWtgh9YxGCNAw8Ad8hjwfYg= +github.com/ProtonMail/go-crypto v0.0.0-20230828082145-3c4c8a2d2371/go.mod h1:EjAoLdwvbIOoOQr3ihjnSoLZRtE8azugULFRteWMNc0= +github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be h1:9AeTilPcZAjCFIImctFaOjnTIavg87rW78vTPkQqLI8= +github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be/go.mod h1:ySMOLuWl6zY27l47sB3qLNK6tF2fkHG55UZxx8oIVo4= +github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio= +github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs= +github.com/bwesterb/go-ristretto v1.2.3/go.mod h1:fUIoIZaG73pV5biE2Blr2xEzDoMj7NFEuV9ekS419A0= +github.com/cloudflare/circl v1.3.3 h1:fE/Qz0QdIGqeWfnwq0RE0R7MI51s0M2E4Ga9kq5AEMs= +github.com/cloudflare/circl v1.3.3/go.mod h1:5XYMA4rFBvNIrhs50XuiBJ15vF2pZn4nnUKZrLbUZFA= github.com/cpuguy83/go-md2man/v2 v2.0.3 h1:qMCsGGgs+MAzDFyp9LpAe1Lqy/fY/qCovCm0qnXZOBM= github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o= +github.com/cyphar/filepath-securejoin v0.2.4 h1:Ugdm7cg7i6ZK6x3xDF1oEu1nfkyfH53EtKeQYTC3kyg= +github.com/cyphar/filepath-securejoin v0.2.4/go.mod h1:aPGpWjXOXUn2NCNjFvBE6aRxGGx79pTxQpKOJNYHHl4= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/elazarl/goproxy v0.0.0-20230808193330-2592e75ae04a h1:mATvB/9r/3gvcejNsXKSkQ6lcIaNec2nyfOdlTBR2lU= +github.com/elazarl/goproxy v0.0.0-20230808193330-2592e75ae04a/go.mod h1:Ro8st/ElPeALwNFlcTpWmkr6IoMFfkjXAvTHpevnDsM= +github.com/emirpasic/gods v1.18.1 h1:FXtiHYKDGKCW2KzwZKx0iC0PQmdlorYgdFG9jPXJ1Bc= +github.com/emirpasic/gods v1.18.1/go.mod h1:8tpGGwCnJ5H4r6BWwaV6OrWmMoPhUl5jm/FMNAnJvWQ= +github.com/gliderlabs/ssh v0.3.5 h1:OcaySEmAQJgyYcArR+gGGTHCyE7nvhEMTlYY+Dp8CpY= +github.com/gliderlabs/ssh v0.3.5/go.mod h1:8XB4KraRrX39qHhT6yxPsHedjA08I/uBVwj4xC+/+z4= +github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 h1:+zs/tPmkDkHx3U66DAb0lQFJrpS6731Oaa12ikc+DiI= +github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376/go.mod h1:an3vInlBmSxCcxctByoQdvwPiA7DTK7jaaFDBTtu0ic= +github.com/go-git/go-billy/v5 v5.5.0 h1:yEY4yhzCDuMGSv83oGxiBotRzhwhNr8VZyphhiu+mTU= +github.com/go-git/go-billy/v5 v5.5.0/go.mod h1:hmexnoNsr2SJU1Ju67OaNz5ASJY3+sHgFRpCtpDCKow= +github.com/go-git/go-git-fixtures/v4 v4.3.2-0.20231010084843-55a94097c399 h1:eMje31YglSBqCdIqdhKBW8lokaMrL3uTkpGYlE2OOT4= +github.com/go-git/go-git-fixtures/v4 v4.3.2-0.20231010084843-55a94097c399/go.mod h1:1OCfN199q1Jm3HZlxleg+Dw/mwps2Wbk9frAWm+4FII= +github.com/go-git/go-git/v5 v5.11.0 h1:XIZc1p+8YzypNr34itUfSvYJcv+eYdTnTvOZ2vD3cA4= +github.com/go-git/go-git/v5 v5.11.0/go.mod h1:6GFcX2P3NM7FPBfpePbpLd21XxsgdAt+lKqXmCUiUCY= +github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE= +github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= +github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 h1:BQSFePA1RWJOlocH6Fxy8MmwDt+yVQYULKfN0RoTN8A= +github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99/go.mod h1:1lJo3i6rXxKeerYnT8Nvf0QmHCRC1n8sfWVwXF2Frvo= +github.com/kevinburke/ssh_config v1.2.0 h1:x584FjTGwHzMwvHx18PXxbBVzfnxogHaAReU4gf13a4= +github.com/kevinburke/ssh_config v1.2.0/go.mod h1:CT57kijsi8u/K/BOFA39wgDQJ9CxiF4nAY/ojJ6r6mM= +github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= +github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE= +github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk= +github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= +github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= +github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= +github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y= github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0= +github.com/onsi/gomega v1.27.10 h1:naR28SdDFlqrG6kScpT8VWpu1xWY5nJRCF3XaYyBjhI= +github.com/onsi/gomega v1.27.10/go.mod h1:RsS8tutOdbdgzbPtzzATp12yT7kM5I5aElG3evPbQ0M= +github.com/pjbgf/sha1cd v0.3.0 h1:4D5XXmUUBUl/xQ6IjCkEAbqXskkq/4O7LmGn0AqMDs4= +github.com/pjbgf/sha1cd v0.3.0/go.mod h1:nZ1rrWOcGJ5uZgEEVL1VUM9iRQiZvWdbZjkKyFzPPsI= +github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= +github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M= +github.com/rogpeppe/go-internal v1.11.0/go.mod h1:ddIwULY96R17DhadqLgMfk9H9tvdUzkipdSkR5nkCZA= github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk= github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM= +github.com/sergi/go-diff v1.1.0 h1:we8PVUC3FE2uYfodKH/nBHMSetSfHDR6scGdBi+erh0= +github.com/sergi/go-diff v1.1.0/go.mod h1:STckp+ISIX8hZLjrqAeVduY0gWCT9IjLuqbuNXdaHfM= github.com/sethvargo/go-envconfig v1.0.0 h1:1C66wzy4QrROf5ew4KdVw942CQDa55qmlYmw9FZxZdU= github.com/sethvargo/go-envconfig v1.0.0/go.mod h1:Lzc75ghUn5ucmcRGIdGQ33DKJrcjk4kihFYgSTBmjIc= +github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0= +github.com/skeema/knownhosts v1.2.1 h1:SHWdIUa82uGZz+F+47k8SY4QhhI291cXCpopT1lK2AQ= +github.com/skeema/knownhosts v1.2.1/go.mod h1:xYbVRSPxqBZFrdmDyMmsOs+uX1UZC3nTN3ThzgDxUwo= +github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= +github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk= github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo= github.com/urfave/cli/v2 v2.27.1 h1:8xSQ6szndafKVRmfyeUMxkNUJQMjL1F2zmsZ+qHpfho= github.com/urfave/cli/v2 v2.27.1/go.mod h1:8qnjx1vcq5s2/wpsqoZFndg2CE5tNFyrTvS6SinrnYQ= +github.com/xanzy/ssh-agent v0.3.3 h1:+/15pJfg/RsTxqYcX6fHqOXZwwMP+2VyYWJeWM2qQFM= +github.com/xanzy/ssh-agent v0.3.3/go.mod h1:6dzNDKs0J9rVPHPhaGCukekBHKqfl+L3KghI1Bc68Uw= github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 h1:bAn7/zixMGCfxrRTfdpNzjtPYqr8smhKouy9mxVdGPU= github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673/go.mod h1:N3UwUGtsrSj3ccvlPHLoLsHnpR27oXr4ZE984MbSER8= +github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY= +golang.org/x/crypto 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00000000..dd3c7e77 --- /dev/null +++ b/plugins/main.go @@ -0,0 +1,81 @@ +package plugins + +import ( + "asdf/config" + "errors" + "fmt" + "os" + "path/filepath" + "regexp" + + "github.com/go-git/go-git/v5" +) + +const dataDirPlugins = "plugins" +const invalidPluginNameMsg = "'%q' is invalid. Name may only contain lowercase letters, numbers, '_', and '-'" +const pluginAlreadyExists = "plugin named %q already added" + +func PluginAdd(config config.Config, pluginName, pluginUrl string) error { + err := validatePluginName(pluginName) + + if err != nil { + return err + } + + exists, err := PluginExists(config.DataDir, pluginName) + + if err != nil { + return fmt.Errorf("unable to check if plugin already exists: %w", err) + } + + if exists { + return fmt.Errorf(pluginAlreadyExists, pluginName) + } + + pluginDir := PluginDirectory(config.DataDir, pluginName) + + if err != nil { + return fmt.Errorf("unable to create plugin directory: %w", err) + } + + _, err = git.PlainClone(pluginDir, false, &git.CloneOptions{ + URL: pluginUrl, + }) + + if err != nil { + return fmt.Errorf("unable to clone plugin: %w", err) + } + + return nil +} + +func PluginExists(dataDir, pluginName string) (bool, error) { + pluginDir := PluginDirectory(dataDir, pluginName) + fileInfo, err := os.Stat(pluginDir) + if errors.Is(err, os.ErrNotExist) { + return false, nil + } + + if err != nil { + return false, err + } + + return fileInfo.IsDir(), nil +} + +func PluginDirectory(dataDir, pluginName string) string { + return filepath.Join(dataDir, dataDirPlugins, pluginName) +} + +func validatePluginName(name string) error { + match, err := regexp.MatchString("^[[:lower:][:digit:]_-]+$", name) + if err != nil { + return err + } + + if !match { + return fmt.Errorf(invalidPluginNameMsg, name) + } + + return nil +} diff --git a/plugins/main_test.go b/plugins/main_test.go new file mode 100644 index 00000000..abb84108 --- /dev/null +++ b/plugins/main_test.go @@ -0,0 +1,180 @@ +package plugins + +import ( + "asdf/config" + "os" + "strings" + "testing" + + "github.com/stretchr/testify/assert" +) + +// TODO: Switch to local repo so tests don't go over the network +const ( + testRepo = "https://github.com/Stratus3D/asdf-lua" + testPluginName = "lua" +) + +func TestPluginAdd(t *testing.T) { + testDataDir := t.TempDir() + + t.Run("when given an invalid plugin name prints an error", func(t *testing.T) { + var invalids = []string{"plugin^name", "plugin%name", "plugin name", "PLUGIN_NAME"} + + for _, invalid := range invalids { + t.Run(invalid, func(t *testing.T) { + err := PluginAdd(config.Config{}, invalid, testRepo) + + expectedErrMsg := "is invalid. Name may only contain lowercase letters, numbers, '_', and '-'" + if !strings.Contains(err.Error(), expectedErrMsg) { + t.Errorf("Expected an error with message %v", expectedErrMsg) + } + }) + } + }) + + t.Run("when plugin with same name already exists prints an error", func(t *testing.T) { + conf := config.Config{DataDir: testDataDir} + + // Add plugin + err := PluginAdd(conf, testPluginName, testRepo) + + if err != nil { + t.Fatal("Expected to be able to add plugin") + } + + // Add it again to trigger error + err = PluginAdd(conf, testPluginName, testRepo) + + if err == nil { + t.Fatal("expected error got nil") + } + + expectedErrMsg := "plugin named \"lua\" already added" + if !strings.Contains(err.Error(), expectedErrMsg) { + t.Errorf("Expected an error with message %v", expectedErrMsg) + } + }) + + t.Run("when plugin name is valid but URL is invalid prints an error", func(t *testing.T) { + conf := config.Config{DataDir: testDataDir} + + err := PluginAdd(conf, "foo", "foobar") + + assert.ErrorContains(t, err, "unable to clone plugin: repository not found") + }) + + t.Run("when plugin name and URL are valid installs plugin", func(t *testing.T) { + testDataDir := t.TempDir() + conf := config.Config{DataDir: testDataDir} + + err := PluginAdd(conf, testPluginName, testRepo) + + assert.Nil(t, err, "Expected to be able to add plugin") + + // Assert plugin directory contains Git repo with bin directory + pluginDir := PluginDirectory(testDataDir, testPluginName) + + _, err = os.ReadDir(pluginDir + "/.git") + assert.Nil(t, err) + + entries, err := os.ReadDir(pluginDir + "/bin") + assert.Nil(t, err) + assert.Equal(t, 5, len(entries)) + }) +} + +func TestPluginExists(t *testing.T) { + testDataDir := t.TempDir() + pluginDir := PluginDirectory(testDataDir, testPluginName) + err := os.MkdirAll(pluginDir, 0777) + if err != nil { + t.Errorf("got %v, expected nil", err) + } + + t.Run("returns true when plugin exists", func(t *testing.T) { + exists, err := PluginExists(testDataDir, testPluginName) + + if err != nil { + t.Errorf("got %v, expected nil", err) + } + + if exists != true { + t.Error("got false, expected true") + } + }) + + t.Run("returns false when plugin path is file and not dir", func(t *testing.T) { + pluginName := "file" + pluginDir := PluginDirectory(testDataDir, pluginName) + err := touchFile(pluginDir) + if err != nil { + t.Errorf("got %v, expected nil", err) + } + + exists, err := PluginExists(testDataDir, pluginName) + + if err != nil { + t.Errorf("got %v, expected nil", err) + } + + if exists != false { + t.Error("got false, expected true") + } + }) + + t.Run("returns false when plugin dir does not exist", func(t *testing.T) { + exists, err := PluginExists(testDataDir, "non-existant") + + if err != nil { + t.Errorf("got %v, expected nil", err) + } + + if exists != false { + t.Error("got false, expected true") + } + }) +} + +func TestPluginDirectory(t *testing.T) { + t.Run("returns new path with plugin name as last segment", func(t *testing.T) { + pluginDir := PluginDirectory("~/.asdf/", testPluginName) + expected := "~/.asdf/plugins/lua" + if pluginDir != expected { + t.Errorf("got %v, expected %v", pluginDir, expected) + } + }) +} + +func TestValidatePluginName(t *testing.T) { + t.Run("returns no error when plugin name is valid", func(t *testing.T) { + err := validatePluginName(testPluginName) + refuteError(t, err) + }) + + var invalids = []string{"plugin^name", "plugin%name", "plugin name", "PLUGIN_NAME"} + + for _, invalid := range invalids { + t.Run(invalid, func(t *testing.T) { + err := validatePluginName(invalid) + + if err == nil { + t.Error("Expected an error") + } + }) + } +} + +func refuteError(t *testing.T, err error) { + if err != nil { + t.Fatal("Returned unexpected error", err) + } +} + +func touchFile(name string) error { + file, err := os.OpenFile(name, os.O_RDONLY|os.O_CREATE, 0644) + if err != nil { + return err + } + return file.Close() +}