woodpecker/pipeline/frontend/yaml/compiler/dag_test.go

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// Copyright 2023 Woodpecker Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package compiler
import (
"testing"
"github.com/stretchr/testify/assert"
backend_types "go.woodpecker-ci.org/woodpecker/v2/pipeline/backend/types"
)
func TestConvertDAGToStages(t *testing.T) {
steps := map[string]*dagCompilerStep{
"step1": {
step: &backend_types.Step{},
dependsOn: []string{"step3"},
},
"step2": {
step: &backend_types.Step{},
dependsOn: []string{"step1"},
},
"step3": {
step: &backend_types.Step{},
dependsOn: []string{"step2"},
},
}
_, err := convertDAGToStages(steps)
assert.ErrorIs(t, err, &ErrStepDependencyCycle{})
steps = map[string]*dagCompilerStep{
"step1": {
step: &backend_types.Step{},
dependsOn: []string{"step2"},
},
"step2": {
step: &backend_types.Step{},
},
}
_, err = convertDAGToStages(steps)
assert.NoError(t, err)
steps = map[string]*dagCompilerStep{
"a": {
step: &backend_types.Step{},
},
"b": {
step: &backend_types.Step{},
dependsOn: []string{"a"},
},
"c": {
step: &backend_types.Step{},
dependsOn: []string{"a"},
},
"d": {
step: &backend_types.Step{},
dependsOn: []string{"b", "c"},
},
}
_, err = convertDAGToStages(steps)
assert.NoError(t, err)
steps = map[string]*dagCompilerStep{
"step1": {
step: &backend_types.Step{},
dependsOn: []string{"not-existing-step"},
},
}
_, err = convertDAGToStages(steps)
assert.ErrorIs(t, err, &ErrStepMissingDependency{})
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steps = map[string]*dagCompilerStep{
"echo env": {
position: 0,
name: "echo env",
group: "",
step: &backend_types.Step{
UUID: "01HJDPEW6R7J0JBE3F1T7Q0TYX",
Type: "commands",
Name: "echo env",
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Image: "bash",
},
},
"echo 1": {
position: 1,
name: "echo 1",
group: "",
dependsOn: []string{"echo env", "echo 2"},
step: &backend_types.Step{
UUID: "01HJDPF770QGRZER8RF79XVS4M",
Type: "commands",
Name: "echo 1",
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Image: "bash",
},
},
"echo 2": {
position: 2,
name: "echo 2",
group: "",
step: &backend_types.Step{
UUID: "01HJDPFF5RMEYZW0YTGR1Y1ZR0",
Type: "commands",
Name: "echo 2",
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Image: "bash",
},
},
}
stages, err := convertDAGToStages(steps)
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assert.NoError(t, err)
assert.EqualValues(t, []*backend_types.Stage{{
Steps: []*backend_types.Step{{
UUID: "01HJDPEW6R7J0JBE3F1T7Q0TYX",
Type: "commands",
Name: "echo env",
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Image: "bash",
}, {
UUID: "01HJDPFF5RMEYZW0YTGR1Y1ZR0",
Type: "commands",
Name: "echo 2",
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Image: "bash",
}},
}, {
Steps: []*backend_types.Step{{
UUID: "01HJDPF770QGRZER8RF79XVS4M",
Type: "commands",
Name: "echo 1",
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Image: "bash",
}},
}}, stages)
}
func TestIsDag(t *testing.T) {
steps := []*dagCompilerStep{
{
step: &backend_types.Step{},
},
}
c := newDAGCompiler(steps)
assert.False(t, c.isDAG())
steps = []*dagCompilerStep{
{
step: &backend_types.Step{},
dependsOn: []string{},
},
}
c = newDAGCompiler(steps)
assert.True(t, c.isDAG())
}