Add more custom validations

examples/validations/.gitignore

@@ -1 +1 @@
-calc
+validate

examples/validations/src/bashly.yml

@@ -1,10 +1,9 @@
-name: calc
+name: validate
 help: Sample application demonstrating validations
 version: 0.1.0
 
 commands:
-- name: add
-  short: a
+- name: calc
   help: Add two numbers
 
   args:
@@ -31,3 +30,12 @@ commands:
 
     # Validations also work on flags (when they have arguments)
     validate: integer
+
+# Additional validation examples
+- name: cat
+  help: Show a file
+  args:
+  - name: path
+    help: Path to file
+    required: true
+    validate: file_exists

examples/validations/src/calc_command.sh

@@ -0,0 +1,4 @@
+echo "# this file is located in 'src/calc_command.sh'"
+echo "# code for 'validate calc' goes here"
+echo "# you can edit it freely and regenerate (it will not be overwritten)"
+inspect_args

examples/validations/src/cat_command.sh

@@ -0,0 +1,4 @@
+echo "# this file is located in 'src/cat_command.sh'"
+echo "# code for 'validate cat' goes here"
+echo "# you can edit it freely and regenerate (it will not be overwritten)"
+inspect_args

examples/validations/src/lib/validations/validate_file_exists.sh

@@ -0,0 +1,3 @@
+validate_file_exists() {
+  [[ -f "$1" ]] || echo "must be an existing file"
+}

examples/validations/src/lib/validations/validate_not_empty.sh

@@ -0,0 +1,3 @@
+validate_not_empty() {
+  [[ -z "$1" ]] && echo "must not be empty"
+}

examples/validations/test.sh

@@ -10,10 +10,12 @@ bashly generate
 
 ### Try Me ###
 
-./calc -h
-./calc add 1 2 --multiply 3
-./calc add A
-./calc add 1 B
-./calc add 1 2 --multiply C
+./validate -h
+./validate calc 1 2 --multiply 3
+./validate calc A
+./validate calc 1 B
+./validate calc 1 2 --multiply C
+./validate cat .gitignore
+./validate cat no-such-file
 
 

lib/bashly/templates/lib/validations/validate_file_exists.sh

@@ -0,0 +1,3 @@
+validate_file_exists() {
+  [[ -f "$1" ]] || echo "must be an existing file"
+}

lib/bashly/templates/lib/validations/validate_not_empty.sh

@@ -0,0 +1,3 @@
+validate_not_empty() {
+  [[ -z "$1" ]] && echo "must not be empty"
+}

lib/bashly/templates/strings.yml

@@ -32,4 +32,4 @@ missing_dependency: "missing dependency: %{dependency}"
 disallowed_flag: "%{name} must be one of: %{allowed}"
 disallowed_argument: "%{name} must be one of: %{allowed}"
 unsupported_bash_version: "bash version 4 or higher is required"
-validation_error: "validation error: %s"
+validation_error: "validation error in %s:\\n%s"

lib/bashly/views/argument/validations.erb

@@ -1,6 +1,6 @@
 % validations.each do |validation_function|
 if [[ -n $(validate_<%= validation_function %> "$1") ]]; then
-  printf "<%= strings[:validation_error] %>\n" "<%= name.upcase %> $(validate_<%= validation_function %> "$1")"
+  printf "<%= strings[:validation_error] %>\n" "<%= name.upcase %>" "$(validate_<%= validation_function %> "$1")"
   exit 1
 fi
 % end

lib/bashly/views/flag/validations.erb

@@ -1,6 +1,6 @@
 % validations.each do |validation_function|
 if [[ -n $(validate_<%= validation_function %> "$2") ]]; then
-  printf "<%= strings[:validation_error] %>\n" "<%= usage_string %> $(validate_<%= validation_function %> "$2")"
+  printf "<%= strings[:validation_error] %>\n" "<%= usage_string %>" "$(validate_<%= validation_function %> "$2")"
   exit 1
 fi
 % end

spec/approvals/cli/add/validations

@@ -1 +1,3 @@
+created spec/tmp/src/lib/validations/validate_file_exists.sh
 created spec/tmp/src/lib/validations/validate_integer.sh
+created spec/tmp/src/lib/validations/validate_not_empty.sh

spec/approvals/examples/validations

@@ -1,21 +1,25 @@
 + bashly add validations
+created src/lib/validations/validate_file_exists.sh
 created src/lib/validations/validate_integer.sh
+created src/lib/validations/validate_not_empty.sh
 + bashly generate
 creating user files in src
 created src/initialize.sh
-created src/add_command.sh
-created ./calc
-run ./calc --help to test your bash script
-+ ./calc -h
-calc - Sample application demonstrating validations
+created src/calc_command.sh
+created src/cat_command.sh
+created ./validate
+run ./validate --help to test your bash script
++ ./validate -h
+validate - Sample application demonstrating validations
 
 Usage:
-  calc [command]
-  calc [command] --help | -h
-  calc --version | -v
+  validate [command]
+  validate [command] --help | -h
+  validate --version | -v
 
 Commands:
-  add   Add two numbers
+  calc   Add two numbers
+  cat    Show a file
 
 Options:
   --help, -h
@@ -24,17 +28,29 @@ Options:
   --version, -v
     Show version number
 
-+ ./calc add 1 2 --multiply 3
-# this file is located in 'src/add_command.sh'
-# code for 'calc add' goes here
++ ./validate calc 1 2 --multiply 3
+# this file is located in 'src/calc_command.sh'
+# code for 'validate calc' goes here
 # you can edit it freely and regenerate (it will not be overwritten)
 args:
 - ${args[first]} = 1
 - ${args[--multiply]} = 3
 - ${args[second]} = 2
-+ ./calc add A
-validation error: FIRST must be an integer
-+ ./calc add 1 B
-validation error: SECOND must be an integer
-+ ./calc add 1 2 --multiply C
-validation error: --multiply, -m FACTOR must be an integer
++ ./validate calc A
+validation error in FIRST:
+must be an integer
++ ./validate calc 1 B
+validation error in SECOND:
+must be an integer
++ ./validate calc 1 2 --multiply C
+validation error in --multiply, -m FACTOR:
+must be an integer
++ ./validate cat .gitignore
+# this file is located in 'src/cat_command.sh'
+# code for 'validate cat' goes here
+# you can edit it freely and regenerate (it will not be overwritten)
+args:
+- ${args[path]} = .gitignore
++ ./validate cat no-such-file
+validation error in PATH:
+must be an existing file