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actions_test.go
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actions_test.go
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// Copyright 2011-2015 Canonical Ltd.
// Licensed under the LGPLv3, see LICENCE file for details.
package charm
import (
"bytes"
"encoding/json"
jc "github.com/juju/testing/checkers"
gc "gopkg.in/check.v1"
)
type ActionsSuite struct{}
var _ = gc.Suite(&ActionsSuite{})
func (s *ActionsSuite) TestNewActions(c *gc.C) {
emptyAction := NewActions()
c.Assert(emptyAction, jc.DeepEquals, &Actions{})
}
func (s *ActionsSuite) TestValidateOk(c *gc.C) {
for i, test := range []struct {
description string
actionSpec *ActionSpec
objectToValidate map[string]interface{}
}{{
description: "Validation of an empty object is ok.",
actionSpec: &ActionSpec{
Description: "Take a snapshot of the database.",
Params: map[string]interface{}{
"title": "snapshot",
"description": "Take a snapshot of the database.",
"type": "object",
"properties": map[string]interface{}{
"outfile": map[string]interface{}{
"description": "The file to write out to.",
"type": "string"}}}},
objectToValidate: nil,
}, {
description: "Validation of one required value.",
actionSpec: &ActionSpec{
Description: "Take a snapshot of the database.",
Params: map[string]interface{}{
"title": "snapshot",
"description": "Take a snapshot of the database.",
"type": "object",
"properties": map[string]interface{}{
"outfile": map[string]interface{}{
"description": "The file to write out to.",
"type": "string"}},
"required": []interface{}{"outfile"}}},
objectToValidate: map[string]interface{}{
"outfile": "out-2014-06-12.bz2",
},
}, {
description: "Validation of one required and one optional value.",
actionSpec: &ActionSpec{
Description: "Take a snapshot of the database.",
Params: map[string]interface{}{
"title": "snapshot",
"description": "Take a snapshot of the database.",
"type": "object",
"properties": map[string]interface{}{
"outfile": map[string]interface{}{
"description": "The file to write out to.",
"type": "string"},
"quality": map[string]interface{}{
"description": "Compression quality",
"type": "integer",
"minimum": 0,
"maximum": 9}},
"required": []interface{}{"outfile"}}},
objectToValidate: map[string]interface{}{
"outfile": "out-2014-06-12.bz2",
},
}, {
description: "Validation of an optional, range limited value.",
actionSpec: &ActionSpec{
Description: "Take a snapshot of the database.",
Params: map[string]interface{}{
"title": "snapshot",
"description": "Take a snapshot of the database.",
"type": "object",
"properties": map[string]interface{}{
"outfile": map[string]interface{}{
"description": "The file to write out to.",
"type": "string"},
"quality": map[string]interface{}{
"description": "Compression quality",
"type": "integer",
"minimum": 0,
"maximum": 9}},
"required": []interface{}{"outfile"}}},
objectToValidate: map[string]interface{}{
"outfile": "out-2014-06-12.bz2",
"quality": 5,
},
}} {
c.Logf("test %d: %s", i, test.description)
err := test.actionSpec.ValidateParams(test.objectToValidate)
c.Assert(err, jc.ErrorIsNil)
}
}
func (s *ActionsSuite) TestValidateFail(c *gc.C) {
var validActionTests = []struct {
description string
actionSpec *ActionSpec
badActionJson string
expectedError string
}{{
description: "Validation of one required value.",
actionSpec: &ActionSpec{
Description: "Take a snapshot of the database.",
Params: map[string]interface{}{
"title": "snapshot",
"description": "Take a snapshot of the database.",
"type": "object",
"properties": map[string]interface{}{
"outfile": map[string]interface{}{
"description": "The file to write out to.",
"type": "string"}},
"required": []interface{}{"outfile"}}},
badActionJson: `{"outfile": 5}`,
expectedError: "validation failed: (root).outfile : must be of type string, given 5",
}, {
description: "Restrict to only one property",
actionSpec: &ActionSpec{
Description: "Take a snapshot of the database.",
Params: map[string]interface{}{
"title": "snapshot",
"description": "Take a snapshot of the database.",
"type": "object",
"properties": map[string]interface{}{
"outfile": map[string]interface{}{
"description": "The file to write out to.",
"type": "string"}},
"required": []interface{}{"outfile"},
"additionalProperties": false}},
badActionJson: `{"outfile": "foo.bz", "bar": "foo"}`,
expectedError: "validation failed: (root) : additional property \"bar\" is not allowed, given {\"bar\":\"foo\",\"outfile\":\"foo.bz\"}",
}, {
description: "Validation of one required and one optional value.",
actionSpec: &ActionSpec{
Description: "Take a snapshot of the database.",
Params: map[string]interface{}{
"title": "snapshot",
"description": "Take a snapshot of the database.",
"type": "object",
"properties": map[string]interface{}{
"outfile": map[string]interface{}{
"description": "The file to write out to.",
"type": "string"},
"quality": map[string]interface{}{
"description": "Compression quality",
"type": "integer",
"minimum": 0,
"maximum": 9}},
"required": []interface{}{"outfile"}}},
badActionJson: `{"quality": 5}`,
expectedError: "validation failed: (root) : \"outfile\" property is missing and required, given {\"quality\":5}",
}, {
description: "Validation of an optional, range limited value.",
actionSpec: &ActionSpec{
Description: "Take a snapshot of the database.",
Params: map[string]interface{}{
"title": "snapshot",
"description": "Take a snapshot of the database.",
"type": "object",
"properties": map[string]interface{}{
"outfile": map[string]interface{}{
"description": "The file to write out to.",
"type": "string"},
"quality": map[string]interface{}{
"description": "Compression quality",
"type": "integer",
"minimum": 0,
"maximum": 9}},
"required": []interface{}{"outfile"}}},
badActionJson: `
{ "outfile": "out-2014-06-12.bz2", "quality": "two" }`,
expectedError: "validation failed: (root).quality : must be of type integer, given \"two\"",
}}
for i, test := range validActionTests {
c.Logf("test %d: %s", i, test.description)
var params map[string]interface{}
jsonBytes := []byte(test.badActionJson)
err := json.Unmarshal(jsonBytes, ¶ms)
c.Assert(err, gc.IsNil)
err = test.actionSpec.ValidateParams(params)
c.Assert(err.Error(), gc.Equals, test.expectedError)
}
}
func (s *ActionsSuite) TestCleanseOk(c *gc.C) {
var goodInterfaceTests = []struct {
description string
acceptableInterface map[string]interface{}
expectedInterface map[string]interface{}
}{{
description: "An interface requiring no changes.",
acceptableInterface: map[string]interface{}{
"key1": "value1",
"key2": "value2",
"key3": map[string]interface{}{
"foo1": "val1",
"foo2": "val2"}},
expectedInterface: map[string]interface{}{
"key1": "value1",
"key2": "value2",
"key3": map[string]interface{}{
"foo1": "val1",
"foo2": "val2"}},
}, {
description: "Substitute a single inner map[i]i.",
acceptableInterface: map[string]interface{}{
"key1": "value1",
"key2": "value2",
"key3": map[interface{}]interface{}{
"foo1": "val1",
"foo2": "val2"}},
expectedInterface: map[string]interface{}{
"key1": "value1",
"key2": "value2",
"key3": map[string]interface{}{
"foo1": "val1",
"foo2": "val2"}},
}, {
description: "Substitute nested inner map[i]i.",
acceptableInterface: map[string]interface{}{
"key1a": "val1a",
"key2a": "val2a",
"key3a": map[interface{}]interface{}{
"key1b": "val1b",
"key2b": map[interface{}]interface{}{
"key1c": "val1c"}}},
expectedInterface: map[string]interface{}{
"key1a": "val1a",
"key2a": "val2a",
"key3a": map[string]interface{}{
"key1b": "val1b",
"key2b": map[string]interface{}{
"key1c": "val1c"}}},
}, {
description: "Substitute nested map[i]i within []i.",
acceptableInterface: map[string]interface{}{
"key1a": "val1a",
"key2a": []interface{}{5, "foo", map[string]interface{}{
"key1b": "val1b",
"key2b": map[interface{}]interface{}{
"key1c": "val1c"}}}},
expectedInterface: map[string]interface{}{
"key1a": "val1a",
"key2a": []interface{}{5, "foo", map[string]interface{}{
"key1b": "val1b",
"key2b": map[string]interface{}{
"key1c": "val1c"}}}},
}}
for i, test := range goodInterfaceTests {
c.Logf("test %d: %s", i, test.description)
cleansedInterfaceMap, err := cleanse(test.acceptableInterface)
c.Assert(err, gc.IsNil)
c.Assert(cleansedInterfaceMap, jc.DeepEquals, test.expectedInterface)
}
}
func (s *ActionsSuite) TestCleanseFail(c *gc.C) {
var badInterfaceTests = []struct {
description string
failInterface map[string]interface{}
expectedError string
}{{
description: "An inner map[interface{}]interface{} with an int key.",
failInterface: map[string]interface{}{
"key1": "value1",
"key2": "value2",
"key3": map[interface{}]interface{}{
"foo1": "val1",
5: "val2"}},
expectedError: "map keyed with non-string value",
}, {
description: "An inner []interface{} containing a map[i]i with an int key.",
failInterface: map[string]interface{}{
"key1a": "val1b",
"key2a": "val2b",
"key3a": []interface{}{"foo1", 5, map[interface{}]interface{}{
"key1b": "val1b",
"key2b": map[interface{}]interface{}{
"key1c": "val1c",
5: "val2c"}}}},
expectedError: "map keyed with non-string value",
}}
for i, test := range badInterfaceTests {
c.Logf("test %d: %s", i, test.description)
_, err := cleanse(test.failInterface)
c.Assert(err, gc.NotNil)
c.Assert(err.Error(), gc.Equals, test.expectedError)
}
}
func (s *ActionsSuite) TestGetActionNameRule(c *gc.C) {
var regExCheck = []struct {
description string
regExString string
}{{
description: "Check returned actionNameRule regex",
regExString: "^[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$",
}}
for i, t := range regExCheck {
c.Logf("test %d: %v: %#v\n", i, t.description, t.regExString)
obtained := GetActionNameRule()
c.Assert(obtained.String(), gc.Equals, t.regExString)
}
}
func (s *ActionsSuite) TestReadGoodActionsYaml(c *gc.C) {
var goodActionsYamlTests = []struct {
description string
yaml string
expectedActions *Actions
}{{
description: "A simple snapshot actions YAML with one parameter.",
yaml: `
snapshot:
description: Take a snapshot of the database.
params:
outfile:
description: "The file to write out to."
type: string
required: ["outfile"]
`,
expectedActions: &Actions{map[string]ActionSpec{
"snapshot": {
Description: "Take a snapshot of the database.",
Params: map[string]interface{}{
"title": "snapshot",
"description": "Take a snapshot of the database.",
"type": "object",
"properties": map[string]interface{}{
"outfile": map[string]interface{}{
"description": "The file to write out to.",
"type": "string"}},
"required": []interface{}{"outfile"}}}}},
}, {
description: "An empty Actions definition.",
yaml: "",
expectedActions: &Actions{
ActionSpecs: map[string]ActionSpec{},
},
}, {
description: "A more complex schema with hyphenated names and multiple parameters.",
yaml: `
snapshot:
description: "Take a snapshot of the database."
params:
outfile:
description: "The file to write out to."
type: "string"
compression-quality:
description: "The compression quality."
type: "integer"
minimum: 0
maximum: 9
exclusiveMaximum: false
remote-sync:
description: "Sync a file to a remote host."
params:
file:
description: "The file to send out."
type: "string"
format: "uri"
remote-uri:
description: "The host to sync to."
type: "string"
format: "uri"
util:
description: "The util to perform the sync (rsync or scp.)"
type: "string"
enum: ["rsync", "scp"]
required: ["file", "remote-uri"]
`,
expectedActions: &Actions{map[string]ActionSpec{
"snapshot": {
Description: "Take a snapshot of the database.",
Params: map[string]interface{}{
"title": "snapshot",
"description": "Take a snapshot of the database.",
"type": "object",
"properties": map[string]interface{}{
"outfile": map[string]interface{}{
"description": "The file to write out to.",
"type": "string"},
"compression-quality": map[string]interface{}{
"description": "The compression quality.",
"type": "integer",
"minimum": 0,
"maximum": 9,
"exclusiveMaximum": false}}}},
"remote-sync": {
Description: "Sync a file to a remote host.",
Params: map[string]interface{}{
"title": "remote-sync",
"description": "Sync a file to a remote host.",
"type": "object",
"properties": map[string]interface{}{
"file": map[string]interface{}{
"description": "The file to send out.",
"type": "string",
"format": "uri"},
"remote-uri": map[string]interface{}{
"description": "The host to sync to.",
"type": "string",
"format": "uri"},
"util": map[string]interface{}{
"description": "The util to perform the sync (rsync or scp.)",
"type": "string",
"enum": []interface{}{"rsync", "scp"}}},
"required": []interface{}{"file", "remote-uri"}}}}},
}, {
description: "A schema with other keys, e.g. \"definitions\"",
yaml: `
snapshot:
description: "Take a snapshot of the database."
params:
outfile:
description: "The file to write out to."
type: "string"
compression-quality:
description: "The compression quality."
type: "integer"
minimum: 0
maximum: 9
exclusiveMaximum: false
definitions:
diskdevice: {}
something-else: {}
`,
expectedActions: &Actions{map[string]ActionSpec{
"snapshot": {
Description: "Take a snapshot of the database.",
Params: map[string]interface{}{
"title": "snapshot",
"description": "Take a snapshot of the database.",
"type": "object",
"properties": map[string]interface{}{
"outfile": map[string]interface{}{
"description": "The file to write out to.",
"type": "string",
},
"compression-quality": map[string]interface{}{
"description": "The compression quality.",
"type": "integer",
"minimum": 0,
"maximum": 9,
"exclusiveMaximum": false,
},
},
"definitions": map[string]interface{}{
"diskdevice": map[string]interface{}{},
"something-else": map[string]interface{}{},
},
},
},
}},
}, {
description: "A schema with no \"params\" key, implying no options.",
yaml: `
snapshot:
description: Take a snapshot of the database.
`,
expectedActions: &Actions{map[string]ActionSpec{
"snapshot": {
Description: "Take a snapshot of the database.",
Params: map[string]interface{}{
"description": "Take a snapshot of the database.",
"title": "snapshot",
"type": "object",
"properties": map[string]interface{}{},
}}}},
}, {
description: "A schema with no values at all, implying no options.",
yaml: `
snapshot:
`,
expectedActions: &Actions{map[string]ActionSpec{
"snapshot": {
Description: "No description",
Params: map[string]interface{}{
"description": "No description",
"title": "snapshot",
"type": "object",
"properties": map[string]interface{}{},
}}}},
}, {
description: "A simple snapshot actions YAML with names ending characters.",
yaml: `
snapshot-01:
description: Take database first snapshot.
params:
outfile-01:
description: "The file to write out to."
type: string
required: ["outfile"]
`,
expectedActions: &Actions{map[string]ActionSpec{
"snapshot-01": {
Description: "Take database first snapshot.",
Params: map[string]interface{}{
"title": "snapshot-01",
"description": "Take database first snapshot.",
"type": "object",
"properties": map[string]interface{}{
"outfile-01": map[string]interface{}{
"description": "The file to write out to.",
"type": "string"}},
"required": []interface{}{"outfile"}}}}},
}, {
description: "A simple snapshot actions YAML with names containing characters.",
yaml: `
snapshot-0-foo:
description: Take database first snapshot.
params:
outfile:
description: "The file to write out to."
type: string
required: ["outfile"]
`,
expectedActions: &Actions{map[string]ActionSpec{
"snapshot-0-foo": {
Description: "Take database first snapshot.",
Params: map[string]interface{}{
"title": "snapshot-0-foo",
"description": "Take database first snapshot.",
"type": "object",
"properties": map[string]interface{}{
"outfile": map[string]interface{}{
"description": "The file to write out to.",
"type": "string"}},
"required": []interface{}{"outfile"}}}}},
}, {
description: "A simple snapshot actions YAML with names starting characters.",
yaml: `
01-snapshot:
description: Take database first snapshot.
params:
01-outfile:
description: "The file to write out to."
type: string
required: ["outfile"]
`,
expectedActions: &Actions{map[string]ActionSpec{
"01-snapshot": {
Description: "Take database first snapshot.",
Params: map[string]interface{}{
"title": "01-snapshot",
"description": "Take database first snapshot.",
"type": "object",
"properties": map[string]interface{}{
"01-outfile": map[string]interface{}{
"description": "The file to write out to.",
"type": "string"}},
"required": []interface{}{"outfile"}}}}},
}, {
description: "An action with parallel and execution group values set",
yaml: `
snapshot:
description: "Take a snapshot of the database."
parallel: true
execution-group: "exec group"
`,
expectedActions: &Actions{map[string]ActionSpec{
"snapshot": {
Description: "Take a snapshot of the database.",
Parallel: true,
ExecutionGroup: "exec group",
Params: map[string]interface{}{
"title": "snapshot",
"description": "Take a snapshot of the database.",
"type": "object",
"properties": map[string]interface{}{}},
},
}},
}}
// Beginning of testing loop
for i, test := range goodActionsYamlTests {
c.Logf("test %d: %s", i, test.description)
reader := bytes.NewReader([]byte(test.yaml))
loadedAction, err := ReadActionsYaml("somecharm", reader)
c.Assert(err, gc.IsNil)
c.Check(loadedAction, jc.DeepEquals, test.expectedActions)
}
}
func (s *ActionsSuite) TestJujuCharmActionsYaml(c *gc.C) {
actionsYaml := `
juju-snapshot:
description: Take a snapshot of the database.
params:
outfile:
description: "The file to write out to."
type: string
required: ["outfile"]
`
expectedActions := &Actions{map[string]ActionSpec{
"juju-snapshot": {
Description: "Take a snapshot of the database.",
Params: map[string]interface{}{
"title": "juju-snapshot",
"description": "Take a snapshot of the database.",
"type": "object",
"properties": map[string]interface{}{
"outfile": map[string]interface{}{
"description": "The file to write out to.",
"type": "string"}},
"required": []interface{}{"outfile"}}}}}
reader := bytes.NewReader([]byte(actionsYaml))
loadedAction, err := ReadActionsYaml("juju-charm", reader)
c.Assert(err, gc.IsNil)
c.Check(loadedAction, jc.DeepEquals, expectedActions)
}
func (s *ActionsSuite) TestReadBadActionsYaml(c *gc.C) {
var badActionsYamlTests = []struct {
description string
yaml string
expectedError string
}{{
description: "Reject JSON-Schema containing references.",
yaml: `
snapshot:
description: Take a snapshot of the database.
params:
$schema: "http://json-schema.org/draft-03/schema#"
`,
expectedError: `schema key "\$schema" not compatible with this version of juju`,
}, {
description: "Reject JSON-Schema containing references.",
yaml: `
snapshot:
description: Take a snapshot of the database.
params:
outfile: { $ref: "http://json-schema.org/draft-03/schema#" }
`,
expectedError: `schema key "\$ref" not compatible with this version of juju`,
}, {
description: "Malformed YAML: missing key in \"outfile\".",
yaml: `
snapshot:
description: Take a snapshot of the database.
params:
outfile:
The file to write out to.
type: string
default: foo.bz2
`,
expectedError: `yaml: line [0-9]: mapping values are not allowed in this context`,
}, {
description: "Malformed JSON-Schema: $schema element misplaced.",
yaml: `
snapshot:
description: Take a snapshot of the database.
params:
outfile:
$schema: http://json-schema.org/draft-03/schema#
description: The file to write out to.
type: string
default: foo.bz2
`,
expectedError: `yaml: line [0-9]: mapping values are not allowed in this context`,
}, {
description: "Malformed Actions: hyphen at beginning of action name.",
yaml: `
-snapshot:
description: Take a snapshot of the database.
`,
expectedError: `bad action name -snapshot`,
}, {
description: "Malformed Actions: hyphen after action name.",
yaml: `
snapshot-:
description: Take a snapshot of the database.
`,
expectedError: `bad action name snapshot-`,
}, {
description: "Malformed Actions: caps in action name.",
yaml: `
Snapshot:
description: Take a snapshot of the database.
`,
expectedError: `bad action name Snapshot`,
}, {
description: `Reserved Action Name: "juju".`,
yaml: `
juju:
description: A reserved action.
`,
expectedError: `cannot use action name juju: "juju" is a reserved name`,
}, {
description: `Reserved Action Name: "juju-run".`,
yaml: `
juju-run:
description: A reserved action.
`,
expectedError: `cannot use action name juju-run: the "juju-" prefix is reserved`,
}, {
description: "A non-string description fails to parse",
yaml: `
snapshot:
description: ["Take a snapshot of the database."]
`,
expectedError: `value for schema key "description" must be a string`,
}, {
description: "A non-string execution-group fails to parse",
yaml: `
snapshot:
execution-group: ["Exec group"]
`,
expectedError: `value for schema key "execution-group" must be a string`,
}, {
description: "A non-bool parallel value fails to parse",
yaml: `
snapshot:
parallel: "not a bool"
`,
expectedError: `value for schema key "parallel" must be a bool`,
}, {
description: "A non-list \"required\" key",
yaml: `
snapshot:
description: Take a snapshot of the database.
params:
outfile:
description: "The file to write out to."
type: string
required: "outfile"
`,
expectedError: `value for schema key "required" must be a YAML list`,
}, {
description: "A schema with an empty \"params\" key fails to parse",
yaml: `
snapshot:
description: Take a snapshot of the database.
params:
`,
expectedError: `params failed to parse as a map`,
}, {
description: "A schema with a non-map \"params\" value fails to parse",
yaml: `
snapshot:
description: Take a snapshot of the database.
params: ["a", "b"]
`,
expectedError: `params failed to parse as a map`,
}, {
description: "\"definitions\" goes against JSON-Schema definition",
yaml: `
snapshot:
description: "Take a snapshot of the database."
params:
outfile:
description: "The file to write out to."
type: "string"
definitions:
diskdevice: ["a"]
something-else: {"a": "b"}
`,
expectedError: `invalid params schema for action schema snapshot: definitions must be of type array of schemas`,
}, {
description: "excess keys not in the JSON-Schema spec will be rejected",
yaml: `
snapshot:
description: "Take a snapshot of the database."
params:
outfile:
description: "The file to write out to."
type: "string"
compression-quality:
description: "The compression quality."
type: "integer"
minimum: 0
maximum: 9
exclusiveMaximum: false
definitions:
diskdevice: {}
something-else: {}
other-key: ["some", "values"],
`,
expectedError: `yaml: line [0-9]+: did not find expected key`,
}}
for i, test := range badActionsYamlTests {
c.Logf("test %d: %s", i, test.description)
reader := bytes.NewReader([]byte(test.yaml))
_, err := ReadActionsYaml("somecharm", reader)
c.Check(err, gc.ErrorMatches, test.expectedError)
}
}
func (s *ActionsSuite) TestRecurseMapOnKeys(c *gc.C) {
tests := []struct {
should string
givenKeys []string
givenMap map[string]interface{}
expected interface{}
shouldFail bool
}{{
should: "fail if the specified key was not in the map",
givenKeys: []string{"key", "key2"},
givenMap: map[string]interface{}{
"key": map[string]interface{}{
"key": "value",
},
},
shouldFail: true,
}, {
should: "fail if a key was not a string",
givenKeys: []string{"key", "key2"},
givenMap: map[string]interface{}{
"key": map[interface{}]interface{}{
5: "value",
},
},
shouldFail: true,
}, {
should: "fail if we have more keys but not a recursable val",
givenKeys: []string{"key", "key2"},
givenMap: map[string]interface{}{
"key": []string{"a", "b", "c"},
},
shouldFail: true,
}, {
should: "retrieve a good value",
givenKeys: []string{"key", "key2"},
givenMap: map[string]interface{}{
"key": map[string]interface{}{
"key2": "value",
},
},
expected: "value",
}, {
should: "retrieve a map",
givenKeys: []string{"key"},
givenMap: map[string]interface{}{
"key": map[string]interface{}{
"key": "value",
},
},
expected: map[string]interface{}{
"key": "value",
},
}, {
should: "retrieve a slice",
givenKeys: []string{"key"},
givenMap: map[string]interface{}{
"key": []string{"a", "b", "c"},
},
expected: []string{"a", "b", "c"},
}}
for i, t := range tests {
c.Logf("test %d: should %s\n map: %#v\n keys: %#v", i, t.should, t.givenMap, t.givenKeys)
obtained, failed := recurseMapOnKeys(t.givenKeys, t.givenMap)
c.Assert(!failed, gc.Equals, t.shouldFail)
if !t.shouldFail {
c.Check(obtained, jc.DeepEquals, t.expected)
}
}
}
func (s *ActionsSuite) TestInsertDefaultValues(c *gc.C) {
schemas := map[string]string{
"simple": `
act:
params:
val:
type: string
default: somestr
`[1:],
"complicated": `
act:
params:
val:
type: object
properties:
foo:
type: string
bar:
type: object
properties:
baz:
type: string
default: boz
`[1:],
"default-object": `
act:
params:
val:
type: object
default:
foo: bar
bar:
baz: woz
`[1:],
"none": `
act:
params:
val:
type: object
properties:
var:
type: object
properties:
x:
type: string
`[1:]}
for i, t := range []struct {
should string
schema string
withParams map[string]interface{}
expectedResult map[string]interface{}
expectedError string
}{{
should: "error with no schema",
expectedError: "schema must be of type object",
}, {
should: "create a map if handed nil",
schema: schemas["none"],
withParams: nil,
expectedResult: map[string]interface{}{},
}, {
should: "create and fill target if handed nil",
schema: schemas["simple"],
withParams: nil,
expectedResult: map[string]interface{}{"val": "somestr"},
}, {
should: "create a simple default value",
schema: schemas["simple"],
withParams: map[string]interface{}{},
expectedResult: map[string]interface{}{"val": "somestr"},
}, {
should: "do nothing for no default value",
schema: schemas["none"],
withParams: map[string]interface{}{},
expectedResult: map[string]interface{}{},
}, {
should: "insert a default value within a nested map",
schema: schemas["complicated"],
withParams: map[string]interface{}{},
expectedResult: map[string]interface{}{
"val": map[string]interface{}{
"bar": map[string]interface{}{
"baz": "boz",
}}},
}, {
should: "create a default value which is an object",
schema: schemas["default-object"],
withParams: map[string]interface{}{},
expectedResult: map[string]interface{}{
"val": map[string]interface{}{
"foo": "bar",
"bar": map[string]interface{}{
"baz": "woz",
}}},
}, {
should: "not overwrite existing values with default objects",
schema: schemas["default-object"],
withParams: map[string]interface{}{"val": 5},
expectedResult: map[string]interface{}{"val": 5},
}, {
should: "interleave defaults into existing objects",
schema: schemas["complicated"],
withParams: map[string]interface{}{
"val": map[string]interface{}{
"foo": "bar",
"bar": map[string]interface{}{
"faz": "foz",
}}},
expectedResult: map[string]interface{}{
"val": map[string]interface{}{
"foo": "bar",