/
configtest.go
288 lines (265 loc) · 5.37 KB
/
configtest.go
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package util
import (
"encoding/json"
"fmt"
"io"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stuphlabs/pullcord/config"
)
// ConfigTestData contains the data for a specific test case for config
// behavior, plus the corresponding explanation string.
type ConfigTestData struct {
Data string
Explanation string
}
// ConfigTest represents an entire suite of tests for config behavior of a
// particular resource type.
type ConfigTest struct {
ResourceType string
IsValid func(json.Unmarshaler) error
SyntacticallyBad []ConfigTestData
SemanticallyBad []ConfigTestData
Good []ConfigTestData
ListenerTest bool
}
// Run executes the suite of config behavior tests.
func (c *ConfigTest) Run(t *testing.T) {
isValidWasRun := false
validatorName, e := GenerateValidator(
func(i json.Unmarshaler) error {
isValidWasRun = true
if c.IsValid != nil {
return c.IsValid(i)
}
return nil
},
)
assert.NoError(
t,
e,
"Generating a validator resource type should not produce an"+
" error.",
)
assert.NotEqual(
t,
validatorName,
"",
"A generated validator resource type should not have an"+
" empty resource type name.",
)
for _, d := range c.SyntacticallyBad {
isValidWasRun = false
parser := config.Parser{
Reader: constructConfigReader(
c.ListenerTest,
validatorName,
c.ResourceType,
d.Data,
),
}
s, e := parser.Server()
assert.Error(
t,
e,
fmt.Sprintf(
"Attempting to create a server from a config"+
" with syntax errors should produce an"+
" error, but no error was generated for a"+
" config with explanation: %s",
d.Explanation,
),
)
assert.False(
t,
isValidWasRun,
fmt.Sprintf(
"Attempting to create a server from a config"+
" with syntactic errors should not run"+
" IsValid, but IsValid was run for a config"+
" with description: %s",
d.Explanation,
),
)
assert.Nil(
t,
s,
fmt.Sprintf(
"Attempting to create a server from a config"+
" with syntax errors should produce a nil"+
" server, but a non-nil server was generated"+
" for a config with explanation: %s",
d.Explanation,
),
)
}
for _, d := range c.SemanticallyBad {
isValidWasRun = false
parser := config.Parser{
Reader: constructConfigReader(
c.ListenerTest,
validatorName,
c.ResourceType,
d.Data,
),
}
s, e := parser.Server()
assert.Error(
t,
e,
fmt.Sprintf(
"Attempting to create a server from a config"+
" with semantic errors should produce an"+
" error, but no error was generated for a"+
" config with explanation: %s",
d.Explanation,
),
)
assert.True(
t,
isValidWasRun,
fmt.Sprintf(
"Attempting to create a server from a config"+
" with semantic errors should run IsValid,"+
" but IsValid was not run for a config with"+
" description: %s",
d.Explanation,
),
)
assert.Nil(
t,
s,
fmt.Sprintf(
"Attempting to create a server from a config"+
" with semantic errors should produce a nil"+
" server, but a non-nil server was generated"+
" for a config with explanation: %s",
d.Explanation,
),
)
}
for _, d := range c.Good {
isValidWasRun = false
parser := config.Parser{
Reader: constructConfigReader(
c.ListenerTest,
validatorName,
c.ResourceType,
d.Data,
),
}
s, e := parser.Server()
assert.NoError(
t,
e,
fmt.Sprintf(
"Attempting to create a server from a valid"+
" config should produce no errors, but an"+
" error was generated for a config with"+
" explanation: %s",
d.Explanation,
),
)
assert.True(
t,
isValidWasRun,
fmt.Sprintf(
"Attempting to create a server from a valid"+
" config should run IsValid, but IsValid was"+
" not run for a config with description: %s",
d.Explanation,
),
)
assert.NotNil(
t,
s,
fmt.Sprintf(
"Attempting to create a server from a valid"+
" config should produce a non-nil server,"+
" but a nil server was generated for a"+
" config with explanation: %s",
d.Explanation,
),
)
}
}
func constructConfigReader(
listenerTest bool,
validatorName,
resourceType,
data string,
) io.Reader {
if listenerTest {
return strings.NewReader(
fmt.Sprintf(
`{
"resources": {
"handler": {
"type": "testhandler",
"data": null
},
"listener": {
"type": "%s",
"data": {
"type": "%s",
"data": %s
}
}
},
"server": {
"type": "httpserver",
"data": {
"handler": {
"type": "ref",
"data": "handler"
},
"listener": {
"type": "ref",
"data": "listener"
}
}
}
}`,
validatorName,
resourceType,
data,
),
)
}
return strings.NewReader(
fmt.Sprintf(
`{
"resources": {
"handler": {
"type": "%s",
"data": {
"type": "%s",
"data": %s
}
},
"listener": {
"type": "testlistener",
"data": null
}
},
"server": {
"type": "httpserver",
"data": {
"handler": {
"type": "ref",
"data": "handler"
},
"listener": {
"type": "ref",
"data": "listener"
}
}
}
}`,
validatorName,
resourceType,
data,
),
)
}