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Refactor walker.test to create explicit expected variables

pull/10616/head
ebb-tide 2018-05-30 18:14:54 -07:00
parent 57f5d581e3
commit a3aa112cc3
1 changed files with 21 additions and 14 deletions
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35
ui/test/ifql/ast/walker.test.ts
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@ -15,7 +15,7 @@ describe('IFQL.AST.Walker', () => {
describe('a single expression', () => {
it('returns a flattened ordered list of from and its args', () => {
const walker = new Walker(From)
expect(walker.body).toEqual([
const expectedWalkerBody = [
{
type: 'CallExpression',
source: 'from(db: "telegraf")',
@ -32,14 +32,15 @@ describe('IFQL.AST.Walker', () => {
},
],
},
])
]
expect(walker.body).toEqual(expectedWalkerBody)
})
describe('variables', () => {
describe('a single string literal variable', () => {
it('returns the expected list', () => {
const walker = new Walker(StringLiteral)
expect(walker.body).toEqual([
const expectedWalkerBody = [
{
type: 'VariableDeclaration',
source: 'bux = "im a var"',
@ -51,14 +52,15 @@ describe('IFQL.AST.Walker', () => {
},
],
},
])
]
expect(walker.body).toEqual(expectedWalkerBody)
})
})
describe('a single expression variable', () => {
it('returns the expected list', () => {
const walker = new Walker(Expression)
expect(walker.body).toEqual([
const expectedWalkerBody = [
{
type: 'VariableDeclaration',
source: 'tele = from(db: "telegraf")',
@ -82,14 +84,15 @@ describe('IFQL.AST.Walker', () => {
},
],
},
])
]
expect(walker.body).toEqual(expectedWalkerBody)
})
})
describe('a single ArrowFunction variable', () => {
it('returns the expected list', () => {
const walker = new Walker(ArrowFunction)
expect(walker.body).toEqual([
const expectedWalkerBody = [
{
type: 'VariableDeclaration',
source: 'addOne = (n) => n + 1',
@ -107,14 +110,15 @@ describe('IFQL.AST.Walker', () => {
},
],
},
])
]
expect(walker.body).toEqual(expectedWalkerBody)
})
})
describe('forking', () => {
it('return the expected list of objects', () => {
const walker = new Walker(Fork)
expect(walker.body).toEqual([
const expectedWalkerBody = [
{
type: 'VariableDeclaration',
source: 'tele = from(db: "telegraf")',
@ -146,7 +150,8 @@ describe('IFQL.AST.Walker', () => {
{args: [], name: 'sum', source: '|> sum()'},
],
},
])
]
expect(walker.body).toEqual(expectedWalkerBody)
})
})
})
@ -156,7 +161,7 @@ describe('IFQL.AST.Walker', () => {
describe('Args that are objects', () => {
it('returns an object when arg type is object', () => {
const walker = new Walker(JoinWithObjectArg)
expect(walker.body).toEqual([
const expectedWalkerBody = [
{
type: 'CallExpression',
source:
@ -178,14 +183,15 @@ describe('IFQL.AST.Walker', () => {
},
],
},
])
]
expect(walker.body).toEqual(expectedWalkerBody)
})
})
describe('complex example', () => {
it('returns a flattened ordered list of all funcs and their args', () => {
const walker = new Walker(Complex)
expect(walker.body).toEqual([
const expectedWalkerBody = [
{
type: 'PipeExpression',
source:
@ -213,7 +219,8 @@ describe('IFQL.AST.Walker', () => {
},
],
},
])
]
expect(walker.body).toEqual(expectedWalkerBody)
})
})
})