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// environment_test tests the use and precedence of environment variables
//
// The tests rely on functions defined in cmdtest_test.go
package cmdtest
import (
"os"
"runtime"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// TestCmdTest demonstrates and verifies the test functions for end-to-end testing of rclone
func TestEnvironmentVariables(t *testing.T) {
createTestEnvironment(t)
testdataPath := createSimpleTestData(t)
// Non backend flags
// =================
// First verify default behaviour of the implicit max_depth=-1
env := ""
out, err := rcloneEnv(env, "lsl", testFolder)
//t.Logf("\n" + out)
if assert.NoError(t, err) {
assert.Contains(t, out, "rclone.config") // depth 1
assert.Contains(t, out, "file1.txt") // depth 2
assert.Contains(t, out, "fileA1.txt") // depth 3
assert.Contains(t, out, "fileAA1.txt") // depth 4
}
// Test of flag.Value
env = "RCLONE_MAX_DEPTH=2"
out, err = rcloneEnv(env, "lsl", testFolder)
if assert.NoError(t, err) {
assert.Contains(t, out, "file1.txt") // depth 2
assert.NotContains(t, out, "fileA1.txt") // depth 3
}
// Test of flag.Changed (tests #5341 Issue1)
env = "RCLONE_LOG_LEVEL=DEBUG"
out, err = rcloneEnv(env, "version", "--quiet")
if assert.Error(t, err) {
assert.Contains(t, out, " DEBUG : ")
assert.Contains(t, out, "Can't set -q and --log-level")
assert.Contains(t, "exit status 1", err.Error())
}
// Test of flag.DefValue
env = "RCLONE_STATS=173ms"
out, err = rcloneEnv(env, "help", "flags")
if assert.NoError(t, err) {
assert.Contains(t, out, "(default 173ms)")
}
// Test of command line flags overriding environment flags
env = "RCLONE_MAX_DEPTH=2"
out, err = rcloneEnv(env, "lsl", testFolder, "--max-depth", "3")
if assert.NoError(t, err) {
assert.Contains(t, out, "fileA1.txt") // depth 3
assert.NotContains(t, out, "fileAA1.txt") // depth 4
}
// Test of debug logging while initialising flags from environment (tests #5241 Enhance1)
env = "RCLONE_STATS=173ms"
out, err = rcloneEnv(env, "version", "-vv")
if assert.NoError(t, err) {
assert.Contains(t, out, " DEBUG : ")
assert.Contains(t, out, "--stats")
assert.Contains(t, out, "173ms")
assert.Contains(t, out, "RCLONE_STATS=")
}
// Backend flags and remote name
// - The listremotes command includes names from environment variables,
// the part between "RCLONE_CONFIG_" and "_TYPE", converted to lowercase.
// - When using a remote created from env, e.g. with lsd command,
// the name is case insensitive in contrast to remotes in config file
// (fs.ConfigToEnv converts to uppercase before checking environment).
// - Previously using a remote created from env, e.g. with lsd command,
// would not be possible for remotes with '-' in names, and remote names
// with '_' could be referred to with both '-' and '_', because any '-'
// were replaced with '_' before lookup.
// ===================================
env = "RCLONE_CONFIG_MY-LOCAL_TYPE=local"
out, err = rcloneEnv(env, "listremotes")
if assert.NoError(t, err) {
assert.Contains(t, out, "my-local:")
}
out, err = rcloneEnv(env, "lsl", "my-local:"+testFolder)
if assert.NoError(t, err) {
assert.Contains(t, out, "rclone.config")
assert.Contains(t, out, "file1.txt")
assert.Contains(t, out, "fileA1.txt")
assert.Contains(t, out, "fileAA1.txt")
}
out, err = rcloneEnv(env, "lsl", "mY-LoCaL:"+testFolder)
if assert.NoError(t, err) {
assert.Contains(t, out, "rclone.config")
assert.Contains(t, out, "file1.txt")
assert.Contains(t, out, "fileA1.txt")
assert.Contains(t, out, "fileAA1.txt")
}
out, err = rcloneEnv(env, "lsl", "my_local:"+testFolder)
if assert.Error(t, err) {
assert.Contains(t, out, "Failed to create file system")
}
env = "RCLONE_CONFIG_MY_LOCAL_TYPE=local"
out, err = rcloneEnv(env, "listremotes")
if assert.NoError(t, err) {
assert.Contains(t, out, "my_local:")
}
out, err = rcloneEnv(env, "lsl", "my_local:"+testFolder)
if assert.NoError(t, err) {
assert.Contains(t, out, "rclone.config")
assert.Contains(t, out, "file1.txt")
assert.Contains(t, out, "fileA1.txt")
assert.Contains(t, out, "fileAA1.txt")
}
out, err = rcloneEnv(env, "lsl", "my-local:"+testFolder)
if assert.Error(t, err) {
assert.Contains(t, out, "Failed to create file system")
}
// Backend flags and option precedence
// ===================================
// Test approach:
// Verify no symlink warning when skip_links=true one the level with highest precedence
// and skip_links=false on all levels with lower precedence
//
// Reference: https://rclone.org/docs/#precedence
// Create a symlink in test data
err = os.Symlink(testdataPath+"/folderA", testdataPath+"/symlinkA")
if runtime.GOOS == "windows" {
errNote := "The policy settings on Windows often prohibit the creation of symlinks due to security issues.\n"
errNote += "You can safely ignore this test, if your change didn't affect environment variables."
require.NoError(t, err, errNote)
} else {
require.NoError(t, err)
}
// Create a local remote with explicit skip_links=false
out, err = rclone("config", "create", "myLocal", "local", "skip_links", "false")
if assert.NoError(t, err) {
assert.Contains(t, out, "[myLocal]")
assert.Contains(t, out, "type = local")
assert.Contains(t, out, "skip_links = false")
}
// Verify symlink warning when skip_links=false on all levels
env = "RCLONE_SKIP_LINKS=false;RCLONE_LOCAL_SKIP_LINKS=false;RCLONE_CONFIG_MYLOCAL_SKIP_LINKS=false"
out, err = rcloneEnv(env, "lsd", "myLocal,skip_links=false:"+testdataPath, "--skip-links=false")
//t.Logf("\n" + out)
if assert.NoError(t, err) {
assert.Contains(t, out, "NOTICE: symlinkA:")
assert.Contains(t, out, "folderA")
}
// Test precedence of connection strings
env = "RCLONE_SKIP_LINKS=false;RCLONE_LOCAL_SKIP_LINKS=false;RCLONE_CONFIG_MYLOCAL_SKIP_LINKS=false"
out, err = rcloneEnv(env, "lsd", "myLocal,skip_links:"+testdataPath, "--skip-links=false")
if assert.NoError(t, err) {
assert.NotContains(t, out, "symlinkA")
assert.Contains(t, out, "folderA")
}
// Test precedence of command line flags
env = "RCLONE_SKIP_LINKS=false;RCLONE_LOCAL_SKIP_LINKS=false;RCLONE_CONFIG_MYLOCAL_SKIP_LINKS=false"
out, err = rcloneEnv(env, "lsd", "myLocal:"+testdataPath, "--skip-links")
if assert.NoError(t, err) {
assert.NotContains(t, out, "symlinkA")
assert.Contains(t, out, "folderA")
}
// Test precedence of remote specific environment variables (tests #5341 Issue2)
env = "RCLONE_SKIP_LINKS=false;RCLONE_LOCAL_SKIP_LINKS=false;RCLONE_CONFIG_MYLOCAL_SKIP_LINKS=true"
out, err = rcloneEnv(env, "lsd", "myLocal:"+testdataPath)
if assert.NoError(t, err) {
assert.NotContains(t, out, "symlinkA")
assert.Contains(t, out, "folderA")
}
// Test precedence of backend specific environment variables (tests #5341 Issue3)
env = "RCLONE_SKIP_LINKS=false;RCLONE_LOCAL_SKIP_LINKS=true"
out, err = rcloneEnv(env, "lsd", "myLocal:"+testdataPath)
if assert.NoError(t, err) {
assert.NotContains(t, out, "symlinkA")
assert.Contains(t, out, "folderA")
}
// Test precedence of backend generic environment variables
env = "RCLONE_SKIP_LINKS=true"
out, err = rcloneEnv(env, "lsd", "myLocal:"+testdataPath)
if assert.NoError(t, err) {
assert.NotContains(t, out, "symlinkA")
assert.Contains(t, out, "folderA")
}
// Recreate the test remote with explicit skip_links=true
out, err = rclone("config", "create", "myLocal", "local", "skip_links", "true")
if assert.NoError(t, err) {
assert.Contains(t, out, "[myLocal]")
assert.Contains(t, out, "type = local")
assert.Contains(t, out, "skip_links = true")
}
// Test precedence of config file options
env = ""
out, err = rcloneEnv(env, "lsd", "myLocal:"+testdataPath)
if assert.NoError(t, err) {
assert.NotContains(t, out, "symlinkA")
assert.Contains(t, out, "folderA")
}
// Recreate the test remote with rclone defaults, that is implicit skip_links=false
out, err = rclone("config", "create", "myLocal", "local")
if assert.NoError(t, err) {
assert.Contains(t, out, "[myLocal]")
assert.Contains(t, out, "type = local")
assert.NotContains(t, out, "skip_links")
}
// Verify the rclone default value (implicit skip_links=false)
env = ""
out, err = rcloneEnv(env, "lsd", "myLocal:"+testdataPath)
if assert.NoError(t, err) {
assert.Contains(t, out, "NOTICE: symlinkA:")
assert.Contains(t, out, "folderA")
}
// Display of backend defaults (tests #4659)
//------------------------------------------
env = "RCLONE_DRIVE_CHUNK_SIZE=111M"
out, err = rcloneEnv(env, "help", "flags")
if assert.NoError(t, err) {
assert.Regexp(t, "--drive-chunk-size[^\\(]+\\(default 111M\\)", out)
}
// Options on referencing remotes (alias, crypt, etc.)
//----------------------------------------------------
// Create alias remote on myLocal having implicit skip_links=false
out, err = rclone("config", "create", "myAlias", "alias", "remote", "myLocal:"+testdataPath)
if assert.NoError(t, err) {
assert.Contains(t, out, "[myAlias]")
assert.Contains(t, out, "type = alias")
assert.Contains(t, out, "remote = myLocal:")
}
// Verify symlink warnings on the alias
env = ""
out, err = rcloneEnv(env, "lsd", "myAlias:")
if assert.NoError(t, err) {
assert.Contains(t, out, "NOTICE: symlinkA:")
assert.Contains(t, out, "folderA")
}
// Test backend generic flags
// having effect on the underlying local remote
env = "RCLONE_SKIP_LINKS=true"
out, err = rcloneEnv(env, "lsd", "myAlias:")
if assert.NoError(t, err) {
assert.NotContains(t, out, "symlinkA")
assert.Contains(t, out, "folderA")
}
// Test backend specific flags
// having effect on the underlying local remote
env = "RCLONE_LOCAL_SKIP_LINKS=true"
out, err = rcloneEnv(env, "lsd", "myAlias:")
if assert.NoError(t, err) {
assert.NotContains(t, out, "symlinkA")
assert.Contains(t, out, "folderA")
}
// Test remote specific flags
// having no effect unless supported by the immediate remote (alias)
env = "RCLONE_CONFIG_MYALIAS_SKIP_LINKS=true"
out, err = rcloneEnv(env, "lsd", "myAlias:")
if assert.NoError(t, err) {
assert.Contains(t, out, "NOTICE: symlinkA:")
assert.Contains(t, out, "folderA")
}
env = "RCLONE_CONFIG_MYALIAS_REMOTE=" + "myLocal:" + testdataPath + "/folderA"
out, err = rcloneEnv(env, "lsl", "myAlias:")
if assert.NoError(t, err) {
assert.Contains(t, out, "fileA1.txt")
assert.NotContains(t, out, "fileB1.txt")
}
// Test command line flags
// having effect on the underlying local remote
env = ""
out, err = rcloneEnv(env, "lsd", "myAlias:", "--skip-links")
if assert.NoError(t, err) {
assert.NotContains(t, out, "symlinkA")
assert.Contains(t, out, "folderA")
}
// Test connection specific flags
// having no effect unless supported by the immediate remote (alias)
env = ""
out, err = rcloneEnv(env, "lsd", "myAlias,skip_links:")
if assert.NoError(t, err) {
assert.Contains(t, out, "NOTICE: symlinkA:")
assert.Contains(t, out, "folderA")
}
env = ""
out, err = rcloneEnv(env, "lsl", "myAlias,remote='myLocal:"+testdataPath+"/folderA':", "-vv")
if assert.NoError(t, err) {
assert.Contains(t, out, "fileA1.txt")
assert.NotContains(t, out, "fileB1.txt")
}
}
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