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collections_test.go
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collections_test.go
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package assertions
import (
"fmt"
"testing"
"time"
)
func TestShouldContainKey(t *testing.T) {
fail(t, so(map[int]int{}, ShouldContainKey), "This assertion requires exactly 1 comparison values (you provided 0).")
fail(t, so(map[int]int{}, ShouldContainKey, 1, 2, 3), "This assertion requires exactly 1 comparison values (you provided 3).")
fail(t, so(Thing1{}, ShouldContainKey, 1), "You must provide a valid map type (was assertions.Thing1)!")
fail(t, so(nil, ShouldContainKey, 1), "You must provide a valid map type (was <nil>)!")
fail(t, so(map[int]int{1: 41}, ShouldContainKey, 2), "Expected the map[int]int to contain the key: [2] (but it didn't)!")
pass(t, so(map[int]int{1: 41}, ShouldContainKey, 1))
pass(t, so(map[int]int{1: 41, 2: 42, 3: 43}, ShouldContainKey, 2))
}
func TestShouldNotContainKey(t *testing.T) {
fail(t, so(map[int]int{}, ShouldNotContainKey), "This assertion requires exactly 1 comparison values (you provided 0).")
fail(t, so(map[int]int{}, ShouldNotContainKey, 1, 2, 3), "This assertion requires exactly 1 comparison values (you provided 3).")
fail(t, so(Thing1{}, ShouldNotContainKey, 1), "You must provide a valid map type (was assertions.Thing1)!")
fail(t, so(nil, ShouldNotContainKey, 1), "You must provide a valid map type (was <nil>)!")
fail(t, so(map[int]int{1: 41}, ShouldNotContainKey, 1), "Expected the map[int]int NOT to contain the key: [1] (but it did)!")
pass(t, so(map[int]int{1: 41}, ShouldNotContainKey, 2))
}
func TestShouldContain(t *testing.T) {
fail(t, so([]int{}, ShouldContain), "This assertion requires exactly 1 comparison values (you provided 0).")
fail(t, so([]int{}, ShouldContain, 1, 2, 3), "This assertion requires exactly 1 comparison values (you provided 3).")
fail(t, so(Thing1{}, ShouldContain, 1), "You must provide a valid container (was assertions.Thing1)!")
fail(t, so(nil, ShouldContain, 1), "You must provide a valid container (was <nil>)!")
fail(t, so([]int{1}, ShouldContain, 2), "Expected the container ([]int) to contain: '2' (but it didn't)!")
pass(t, so([]int{1}, ShouldContain, 1))
pass(t, so([]int{1, 2, 3}, ShouldContain, 2))
}
func TestShouldNotContain(t *testing.T) {
fail(t, so([]int{}, ShouldNotContain), "This assertion requires exactly 1 comparison values (you provided 0).")
fail(t, so([]int{}, ShouldNotContain, 1, 2, 3), "This assertion requires exactly 1 comparison values (you provided 3).")
fail(t, so(Thing1{}, ShouldNotContain, 1), "You must provide a valid container (was assertions.Thing1)!")
fail(t, so(nil, ShouldNotContain, 1), "You must provide a valid container (was <nil>)!")
fail(t, so([]int{1}, ShouldNotContain, 1), "Expected the container ([]int) NOT to contain: '1' (but it did)!")
fail(t, so([]int{1, 2, 3}, ShouldNotContain, 2), "Expected the container ([]int) NOT to contain: '2' (but it did)!")
pass(t, so([]int{1}, ShouldNotContain, 2))
}
func TestShouldBeIn(t *testing.T) {
fail(t, so(4, ShouldBeIn), needNonEmptyCollection)
container := []int{1, 2, 3, 4}
pass(t, so(4, ShouldBeIn, container))
pass(t, so(4, ShouldBeIn, 1, 2, 3, 4))
fail(t, so(4, ShouldBeIn, 1, 2, 3), "Expected '4' to be in the container ([]interface {}), but it wasn't!")
fail(t, so(4, ShouldBeIn, []int{1, 2, 3}), "Expected '4' to be in the container ([]int), but it wasn't!")
}
func TestShouldNotBeIn(t *testing.T) {
fail(t, so(4, ShouldNotBeIn), needNonEmptyCollection)
container := []int{1, 2, 3, 4}
pass(t, so(42, ShouldNotBeIn, container))
pass(t, so(42, ShouldNotBeIn, 1, 2, 3, 4))
fail(t, so(2, ShouldNotBeIn, 1, 2, 3), "Expected '2' NOT to be in the container ([]interface {}), but it was!")
fail(t, so(2, ShouldNotBeIn, []int{1, 2, 3}), "Expected '2' NOT to be in the container ([]int), but it was!")
}
func TestShouldBeEmpty(t *testing.T) {
fail(t, so(1, ShouldBeEmpty, 2, 3), "This assertion requires exactly 0 comparison values (you provided 2).")
pass(t, so([]int{}, ShouldBeEmpty)) // empty slice
pass(t, so([]interface{}{}, ShouldBeEmpty)) // empty slice
pass(t, so(map[string]int{}, ShouldBeEmpty)) // empty map
pass(t, so("", ShouldBeEmpty)) // empty string
pass(t, so(&[]int{}, ShouldBeEmpty)) // pointer to empty slice
pass(t, so(&[0]int{}, ShouldBeEmpty)) // pointer to empty array
pass(t, so(nil, ShouldBeEmpty)) // nil
pass(t, so(make(chan string), ShouldBeEmpty)) // empty channel
fail(t, so([]int{1}, ShouldBeEmpty), "Expected [1] to be empty (but it wasn't)!") // non-empty slice
fail(t, so([]interface{}{1}, ShouldBeEmpty), "Expected [1] to be empty (but it wasn't)!") // non-empty slice
fail(t, so(map[string]int{"hi": 0}, ShouldBeEmpty), "Expected map[hi:0] to be empty (but it wasn't)!") // non-empty map
fail(t, so("hi", ShouldBeEmpty), "Expected hi to be empty (but it wasn't)!") // non-empty string
fail(t, so(&[]int{1}, ShouldBeEmpty), "Expected &[1] to be empty (but it wasn't)!") // pointer to non-empty slice
fail(t, so(&[1]int{1}, ShouldBeEmpty), "Expected &[1] to be empty (but it wasn't)!") // pointer to non-empty array
c := make(chan int, 1) // non-empty channel
go func() { c <- 1 }()
time.Sleep(time.Millisecond)
fail(t, so(c, ShouldBeEmpty), fmt.Sprintf("Expected %+v to be empty (but it wasn't)!", c))
}
func TestShouldNotBeEmpty(t *testing.T) {
fail(t, so(1, ShouldNotBeEmpty, 2, 3), "This assertion requires exactly 0 comparison values (you provided 2).")
fail(t, so([]int{}, ShouldNotBeEmpty), "Expected [] to NOT be empty (but it was)!") // empty slice
fail(t, so([]interface{}{}, ShouldNotBeEmpty), "Expected [] to NOT be empty (but it was)!") // empty slice
fail(t, so(map[string]int{}, ShouldNotBeEmpty), "Expected map[] to NOT be empty (but it was)!") // empty map
fail(t, so("", ShouldNotBeEmpty), "Expected to NOT be empty (but it was)!") // empty string
fail(t, so(&[]int{}, ShouldNotBeEmpty), "Expected &[] to NOT be empty (but it was)!") // pointer to empty slice
fail(t, so(&[0]int{}, ShouldNotBeEmpty), "Expected &[] to NOT be empty (but it was)!") // pointer to empty array
fail(t, so(nil, ShouldNotBeEmpty), "Expected <nil> to NOT be empty (but it was)!") // nil
c := make(chan int, 0) // non-empty channel
fail(t, so(c, ShouldNotBeEmpty), fmt.Sprintf("Expected %+v to NOT be empty (but it was)!", c)) // empty channel
pass(t, so([]int{1}, ShouldNotBeEmpty)) // non-empty slice
pass(t, so([]interface{}{1}, ShouldNotBeEmpty)) // non-empty slice
pass(t, so(map[string]int{"hi": 0}, ShouldNotBeEmpty)) // non-empty map
pass(t, so("hi", ShouldNotBeEmpty)) // non-empty string
pass(t, so(&[]int{1}, ShouldNotBeEmpty)) // pointer to non-empty slice
pass(t, so(&[1]int{1}, ShouldNotBeEmpty)) // pointer to non-empty array
c = make(chan int, 1)
go func() { c <- 1 }()
time.Sleep(time.Millisecond)
pass(t, so(c, ShouldNotBeEmpty))
}
func TestShouldHaveLength(t *testing.T) {
fail(t, so(1, ShouldHaveLength, 2), "You must provide a valid container (was int)!")
fail(t, so(nil, ShouldHaveLength, 1), "You must provide a valid container (was <nil>)!")
fail(t, so("hi", ShouldHaveLength, float64(1.0)), "You must provide a valid integer (was float64)!")
fail(t, so([]string{}, ShouldHaveLength), "This assertion requires exactly 1 comparison values (you provided 0).")
fail(t, so([]string{}, ShouldHaveLength, 1, 2), "This assertion requires exactly 1 comparison values (you provided 2).")
fail(t, so([]string{}, ShouldHaveLength, -10), "You must provide a valid positive integer (was -10)!")
fail(t, so([]int{}, ShouldHaveLength, 1), "Expected [] to have length equal to '1', but it wasn't!") // empty slice
fail(t, so([]interface{}{}, ShouldHaveLength, 1), "Expected [] to have length equal to '1', but it wasn't!") // empty slice
fail(t, so(map[string]int{}, ShouldHaveLength, 1), "Expected map[] to have length equal to '1', but it wasn't!") // empty map
fail(t, so("", ShouldHaveLength, 1), "Expected to have length equal to '1', but it wasn't!") // empty string
fail(t, so(&[]int{}, ShouldHaveLength, 1), "Expected &[] to have length equal to '1', but it wasn't!") // pointer to empty slice
fail(t, so(&[0]int{}, ShouldHaveLength, 1), "Expected &[] to have length equal to '1', but it wasn't!") // pointer to empty array
c := make(chan int, 0) // non-empty channel
fail(t, so(c, ShouldHaveLength, 1), fmt.Sprintf("Expected %+v to have length equal to '1', but it wasn't!", c))
c = make(chan int) // empty channel
fail(t, so(c, ShouldHaveLength, 1), fmt.Sprintf("Expected %+v to have length equal to '1', but it wasn't!", c))
pass(t, so([]int{1}, ShouldHaveLength, 1)) // non-empty slice
pass(t, so([]interface{}{1}, ShouldHaveLength, 1)) // non-empty slice
pass(t, so(map[string]int{"hi": 0}, ShouldHaveLength, 1)) // non-empty map
pass(t, so("hi", ShouldHaveLength, 2)) // non-empty string
pass(t, so(&[]int{1}, ShouldHaveLength, 1)) // pointer to non-empty slice
pass(t, so(&[1]int{1}, ShouldHaveLength, 1)) // pointer to non-empty array
c = make(chan int, 1)
go func() { c <- 1 }()
time.Sleep(time.Millisecond)
pass(t, so(c, ShouldHaveLength, 1))
}